4. 50 : 1957: 347: 3. Apr 27, 2019 · The way the compression stayed the same between the 400 and 428 was Pontiac used a piston with a small dish machined into it for the 428 which makes it easy to identify. 50: Pushrods: Comp Cam Magnum: Lifters: Comp Cam solid roller lifters: Crankshaft: Eagle 4. 500 Stroke For Pontiac 455 Mains. 98:1 Rod/Stroke Ratio : 1. 875. 60 over, 4. Product Specifications Details; Item Number: 42301-8: Engine Make: Ford: Bore: 4. The block has the sand casting "A" that shows it to be a 428 block and bore and stroke measurements and crank casting numbers showed this to be the real deal. This powerplant features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. 060 or . 5 inches, but to maintain sufficient journal overlap for maximum rigidity as stroke lengthened, it increased to as much as 3. 000, 3. 00-inch bore; the 332 ci had a 3. 630 rod | 1. 75: 3. 589. 85. Bore. 2L Kenne Belle blower. 120-inch bore of a 400. We start with a Dart SHP 4 bolt main block which has a 4. in. Pistons are manufactured on 4032 low expansion, high silicon material excellent for street or strip applications. 250 stock bore size and 4. 72 L) real displacement. Like the 428 Pontiac, the 428 Ford began powering larger cars like models in the Galaxie, Thunderbird, and Mercury family. 10 inch of bore for 0. 75 stroke and the 1964 326 engine dimensions are 3. PerformanceParts - Right Parts, Right Aug 17, 2006 · The 428 traded 0. These Pontiac rotating assembly kits come with cast crank, pistons, rods, bearings, and rings. 1969 Pontiac 428 with 4 bolt mains: Bore and Stroke: 4. CNC Precision machined ring grooves for 1. Its 194. GM FoMoCo Pontiac 400 428 455 Engine Casting Numbers; Jul 07, 2014 · The bore and stroke combination comes to 428 ci, a displacement identical to some of the most powerful factory Pontiac engines. 88 bore and 3. 08 bore engine for his 65 Gal. Stan and Judy Bressler, former editors of the local Pontiac club newsletter bought. 4. 6 mm) stroke as the 421, yet  HEAD STAMP LOCATION ON PONTIAC HEADS 428 CU. Apr 04, 2009 · That will let you know what is left for the future . Balancing adds $200 to all of the The Pontiac 347 V8 was introduced for the 1957 model year and did quite a bit to change the future for the muscle car era. 62 bore center. and availability was limited to larger models and the GTO. 312" x 3. 625 Rod 3. 876 x 3. 75 (same stroke as the 389), an iron-block mill that had the same external dimensions and shared parts with the 389, but an altered, reduced bore. “The new engine is 428 cid with a 4. Performance Trends Inc Producing Quality Computer Tools for Racers and Engine Builders since 1986 While only one ci larger than the 427 FE engine, there are some major differences in the block casting and the bore/stroke is also different from the only slightly smaller member of the big block FE family of engines. This is a work in progress and not guaranteed to be correct. 080 ,4. 5 kgm) at 3200 rpm respectively. 40625 3. Although the 428 was modeled after the Pontiac 421 , it had a cast iron crankshaft rather than the steel used in the 421. L-Head Straight 8. 77 exhaust; Ported by KRE, 310 cfm on intake: Rocker Arms: Harland Sharp 1. Stroke, External Balance, Lightened, Pontiac, 421, 428, 455, Each Not Yet Reviewed. 233, if you bore it to 4. 150 bore | 9. 675: Weight: 569: Pin. 0167 428 - Iron, 4. 66: 3. 250" stroke crank and the 4. Pontiac 428 Engine Kit Bearings Gaskets Rings Pistons Freeze Plugs Special Kit Ic941075 Icon Forged Flat Top Pistons Pontiac 4. 000: 317: 3 May 21, 2018 · I would like to get to a 4. 060 and and many . 250 287 3. 232. 75" crank and 3" mains. 2500: 2. 0 l) engine was an evolution of the 421 (a Nascar super-duty favorite) and its basic design. 120 Ring package designed for: 1/16, 1/16, 3/16 Rings. 8750" and the 400 is 4. Pontiac Bore & Stroke Figures. Comp. File Fit- The rings are usually . 3 1/2. As the large-main-journal Pontiac engines found in Pontiac’s full-size cars evolved from 421 to 428 and, finally, 455 cubic inches, Pontiac still went with the well Nov 03, 2011 · 327 By 1962, a 170-horsepower version of the 283 became Chevy's base V-8, but optional small-block V-8s received a full 4. 625" 1. 7 301 Chrysler Hem… 428 FE Rebuild. 2500 The Pontiac Tri-Power is one of the first real musclecar engines and differs from most engines of the era in that it could provide 326 cubic inches all the way up to 455 cubic inches with only an internal change in bore and stroke – the block remains the same throughout that cubic inch range. 0300, 4. The two are totally different in bore, stroke, bore spacing, block casting, head casting, etc. 300" - 332, 354NASCAR, 374NASCAR. A 428 engine shares the 4. Feb 21, 2017 · That worked pretty well up through 428. 1933-35. 625 pontiac rods, or more specifically the option to reuse forged rods if you already have them. 715" Compression distance, 1/16 1/16 1/8 ring lands. 3. 0 mm) 3. 125" x 4" , both of which feature aluminum heads and block . 326. Je 4. In an effort to reach 455 cubes with the same basic block a long stroke crankshaft was used to increase displacement because the block had run out of room for any larger bore. The standard cruising model 428 that was introduced in 1966 included a cast iron crank, forged rods, a cast iron intake, a single 4bbl carb and a 345hp rating. 781. 125 bore. 0-inch Pontiac’s engine came out in 1955 as a 287 with a 4. 250: The Factory Pontiac 455 cranks are turned on the rod journals to a . 150+5 Bore This is a Total Seal brand, Classic Race Series ring used in a . As noted above, don't believe it. 967 : 425 : 3. 6 mm) Main journal common to this family of engines. Rotating assembly can be balanced for you if you desire. Main. 120, 4. 00, 3. 870 stroke and is considered the worst stroke/bore ratio of any V8. Very few get thin at . Apr 26, 2019 · 428 Tri-Power ready that has received the breath of life. 100. 310 bore X 4. 5, 1. Stock Bore, 4. 620-inch bore centers left plenty of room for displacement increases. 800 installed Pontiac 428 V8 Engine The Pontiac 428 was introduced at the same time as the Pontiac 400 V8 in 1967 and used primarily in the Grand Prix, but also for the legendary GTO and Firebird models. 350. 25 inches, the initial displacement was 287 cubic inches, but the generous 4. 1933-1935. Only): 1-888-471-2827 International: 1-801-701-1242 The longest 3. 0000: 3. 000, 6. Pistons: All 144/170ci engines have cast aluminum flat top pistons with a 3. Bore and stroke for the Pontiac 350 is 3. 1969 -1970 Pontiac Full-Size 9th generation (Catalina, Executive, Bonneville) . a super clean '67 Firebird hardtop. 25" stroke, 4. Both engines had a 4. Nov 02, 2017 · The LS3 is a Gen. It's a "replacement", so compression numbers would be typical of that using the Speed Pro. 86 2. 64 6 199. Numbers on the crank are often the same as the part number, but not always. 75 inches) to the 10. 250 stroke and 6. 875 bore x 3. 04 intake valves and 1. upgrading from a 400 to 455 will also give you 9. 7500, 3. Uses the same 4. 1 cubic inch (6. 2500, 2. 180. 121" x 4. 750. 25” stroke cranks are the most popular, and give a big increase in displacement compared to the stock 390/427 3. Cubic Inch Style Year Produced Bore Stroke; 223. 00 . 400. 00 main - Pontiac journal $ 725. 030" making it a 4. 2495. 25 stroke and a 4. Kit 61006-8 4. 060 over with a 1/4 inch longer stroke crankshaft as compared to the 4. 005" over the desired bore size so they can be filed to fit. 75 ). 12 in (104. 125” Rod Length, 1. 78 and stroke of 3. Bore/Stroke Ratio: . 68″ diameter. Year: Displacement: Bore in inches: Stroke in inches: Mains in inches : 1955: 287: 3. 000: 572 Tall Deck: 4. 6250. 125 6 170. 120: 4. 1000, 5. CID: Contents: Bore size & Cart: 462-469 cid: Eagle cast 4. Thats where if you have a block that is capable of being bored to the 4. 620″ bore centers and a 10. The compression height is 1. Pontiac dealership mechanic. Standard block; no different series ever known as a big block. I4-151, 4. The heads were the same that were on other FE big blocks with 2. 000 inch stroke of a 454. Bore/Stroke · 1960 · 1961 · 1962 · 1963 · 1964 · 1965 · 1966  400 Pontiac; 455 Pontiac; and 421/428 Pontiac Forged" (TRW), in the first oversize necessary to insure a clean bore (many 400s clean up at . 6:1 SRP Flat Top Pistons for Pontiac 428 6. Icon has a nice 428 piston as well. 0625  6 Jun 2019 With a 4. 3: L-head Straight 8 The Trophy 4 engine is a short-stroke, 45-degree inclined inline four created from the right bank of the 389 V8 for the debut of the Tempest in 1961. 4: L-head Straight 8: 1933-1935: 3 3/16: 3 1/2: 208: L-head Straight 6: 1935-1936: 3 3/8: 3 7/8: 232. Feb 19, 2019 · Guys have been doing this awhile. 223. 0000  26 Apr 2019 428 Tri-Power ready that has received the breath of life. 490: Comp Height: 1. 4 (MR-1A is 4. The 347 was simply a bored out version of the Pontiac 316 V8 with a longer stroke. 000 (zero) Heads: KRE D-port 85cc aluminum; 2. 75 stroke giving 354. The stock bore is 4. 57 exhaust valves. 000 2. L-Head Straight 6. 625 rod, . The bore and stroke of the engine from the factory came as 4. 625 in. The fuel and air mixture   7 Jul 2014 The bore and stroke combination comes to 428 ci, a displacement identical to some of the most powerful factory Pontiac engines. 120 . 1975- 76, 262, 3. 12 bore x 4" stroke with 3. I just talked to a guy at Pontiac Heaven race running . Horsepower @ rpm: 360 @ 5200. 421's and 428's are the same motor, just a . 25" x 3. 151" bore (at +. Jun 06, 2013 · Pontiac used a variety of bore-and-stroke combinations to achieve specific amounts of displacement for its V-8 over the years. 208. True Pontiac engines were made by the Pontiac Motor Division. Tri-Power Pontiac Built by Butler Performance Between the 4. The engine was a V-8 with overhead valves. Chevrolet’s LS7 small-block, often advertised as a 427, actually displaced 428 cubic inches. 1967-79. 75000 3. 21 stroke with 3. 0 mm rings unless otherwise indicated. IN. 00 is said to be "square". Torque @ rpm: 424 @ 3600. 980-2700-51-15C wrist pin (145 grams), pin fitting, wire Sep 22, 2017 · We started with a factory 1969 Pontiac 428 block and #62 casting cylinder heads. Engine, horsepower, torque, dimensions and mechanical details for the 1969 Pontiac GTO. 5:1 compression, a custom ground Comp Cams hyd. The 4" stroke of the 428 has it's advantages. 620. $572. Add the Bore size to the end of the part # IE. Between the 4. 05-inch standard bore and 1969 Pontiac Firebird 350 HO: This car has a 2 door coupé body style with a front mounted engine powering the rear wheels. the top 428 carried the same 376-hp rating as the 1966 Pontiac 421  Engine Block: 1969 Pontiac 428 with 4 bolt mains. 0mm Steel fits the following vehicle(s): 2009 Cadillac CTS-V 2010 Cadillac CTS-V 2011 Cadillac CTS-V 2012 Cadillac CTS-V 2013 Cadillac CTS-V 2014 Cadillac CTS-V 1999 Cadillac Escalade Engine Blueprint Specifications: 1968 Pontiac 375 HP 428 V8 PONT-68 Issued: 7/1/1968 Last Revised: 4/22/2013 Revisions: 17 April 1995, 11 April 2000, 4/22/13 PC 4. Oldsmobile and Buick also had '455' inch engines about the same time. 325 CH like a 445 striker uses but run a 3. The dish Dss Piston Set 1-5020-4190 4. 5625: 2. 125 bore (stock) and is considered about the limit when it comes to stroke/bore ratio. 75 that would mean that he would need to have . 64 Dec 15, 2019 · 4340 forged 4. 00 bore and 3. 098 bore with Racetec piston s 1. 125: Compression: 10:1: Fuel Type: 91+ AKI (USA) / 95-98 RON: Block: 390 Ford FE: Crankshaft: Cast Steel: Rods: Common Pontiac Engine Displacements : (click the button for that bore and stroke for each engine) Click the following to add to the bore size. So the 400 and 350 use the same crank with difference balance. 217. The engine did turn by hand but had corrosion in the #4 cylinder and the decision was made to have it gone through. Description Bore Stroke # of Cylinders Cubic Inches Litres 170 Slant Six 3. Pontiac Connecting Rods 326 350 389 400 421 428 455 | Molnar Molnar Technologies H Beam Pontiac rods are machined from billet 4340 steel, and then heat treated to provide improved strength. 054 in (103. 375 stroke. 030 overbore on the 428. Stroke 1967-1969, 428, 4. Compression ratio: 10. 00"; bored . 25" journals: Balancer: Pioneer SFI The longest 3. Dec 15, 2019 · 428 . Part # Your Cost  Here is a list of Pontiac engines based on my memory, 287, 326, 327, 347, 350, 370, 389, 400, 421, 428 first designed their v-8 engine in 1955 is was 287 cubic inches and the 455 is basically the same motor with larger bore and stroke. The 4 valve head allows for significantly improved intake and […] This happens to be one bad ass small block Ford. 125" x 3. 3 3/8. Brand New. it grew to 316 326, 336, 347, 370, 389, 400, 421, 428 and 455 with no deck height change. Very unpopular. Yeah, a Chevy 350 is a 4. 75:1. Makes cubic inches with more stroke and less bore. 000” Stroke, 6. the line had installed #143 castings which are 2bbl 10. 06 X 3. 72 stroke and 3" mains. 455 has 4. 760: 427: 4. 000" 3. 4:1 Comp. 12 cu in (7,474 cc). 389. 75-inch stroke, Pontiac’s 400 had similar bore and stroke to Chevy’s big-block 396 (even when the Chevy actually displaced 402 cubic inches). 040" Top Pistons 400 Flat Firebird Lemans Power Set/8+Rings Pontiac Sealed GTO NEW TRW 400 PONTIAC PISTONS . 250 Stroke 6. Bore Stroke Main Journal Dia Rod Journal Dia Max Bore Max Stroke Max Displacement : 4. Pontiac Firing Order Pontiac V8. 21 stroke crank with 3. 25. Do not generically apply “Chevy practices” to an FE rebuild. Don’t be fooled by some who build with a stock block and small bore. American Motors Top. 25 bore, . 200 Bore 4. 125" Bore -7cc Flat Top for Pontiac 428 Stroker. Stroke. 185" bore Mahle dished pistons, Eagle forged the 350's bore is 3. 13×3. 65" (6. 800 H-Beam Rods, 4032 Mahle Forged -6cc Flat Top Pistons with Rings and Bearings, Rotating Assembly has been Internally Balanced max bore size of 4. 5 mm) 3. 98 stroke. 25" and a standard stoke of 3. 800 I-Beam 5140 Forged Eagle Rods- Balanced $1548. Then we added an Eagle cast stroker crank kit with 4. O. 030" to accommodate forged pistons with moly rings. 64: 6. 25 mains. 5 Cr. 125 14474-030 - 4. In 1963, Pontiac replaced the 215 with a "new" 326, which was really a 336 with a bore of 3. 421 used 4. 784 in (96. It has a 10:1 static compression ratio, ported Hellcat heads and will run on E85 fuel with a 4. Rod Lgth. S. Over square tends to rev up quicker and make more horsepower than an under square motor. 9 mm) stroke, yielding 456. 00 x 3. 98 in (101 mm) Strokes are carried to three decimal places and have a +-. 3 7/8. 210, 3. Taylor said the 428 engine is very efficient and has a good bore-to-stroke ratio. Antique Cars For Sale, Used Auto Magazines, NOS Parts & Used Parts The Durable Popularity of the Pontiac 428 Produced from 1967 to 1969 and usually reserved for Bonneville/Catalina’s, Prixs and other full-size/muscle cars (though we’ll touch on the exceptions to the rule shortly), the Pontiac V8 428 cubic inch (7. 750, 3. Series: CID: Stroke: Rod Length: Pin Height: Pin Size: Ring Sizes: Piston Top: Compression Ratio . Use the calculator below, or you can calculate your engine size by taking the square of the bore divided by 4, multiplied by pi, multiplied by the stroke, multiplied by the number of cylinders: ((Bore X Bore) / 4) X pi X Stroke X Cylinders For example, a Chrysler 426 (Hemi or Wedge) has a standard bore of 4. 760: 454: 4. 76" 427T = 4. 1510, 4. 030 OVER CAST 1967 THRU 1978 SET OF 8 NEW TRW 400: $149. 125" stroke crankshaft with your choice of 24x or 58x reluctor wheel. 030" to accommodate forged pistons with moly rings: Heads: 670s ported by Mullins; heat cross-over bronze filled and blended into chamber. 9375: 3. Alloy : Pistons: Piston and Ring Kits: 1-FX: 389: 3. 25" mains. 130 inches. Tough but "heavy". Wide ring lands and thicker crown for increased durability. Dist. Find great deals on eBay for pontiac stroker kit. 00000: 3. 100 overbore years down the road. It used a 4. 150 Bore IC892-030, Best Deals on engine parts with expert customer service at CNC-Motorsports Pontiac 428, Bore 4. 250 stroke -- basically a 454 bored . 1968-77. 5 in | 90 mm. PerformanceParts - Right Parts, Right May 10, 2011 · The 63 engine dimensions are 3. As the large-main-journal Pontiac engines found in Pontiac’s full-size cars evolved from 421 to 428 and, finally, 455 cubic inches, Pontiac still went with the well The Pontiac 455 V-8 was actually a bored out 428-cubic-inch V-8 with a bore and stroke of 4 inches by 4 inches. Pontiac had a 301 engine in the late 70s-early 80s, which is a Pontiac engine, and somewhat common to other Pontiac engines (326-350-389-400-428). Pontiac kept its ports small and the 428 is one of only a few engines that had fully machined combustion chambers from the factory, which delivers exceptional cylinder balance. 25 Bore & Stroke are in inches. Mar 07, 2018 · The 427 Ford is 4. 75000: 3. 455, 1970-76, 4. 21 stroke, 6. 98-inch stroke, nearly four-inches, made the FE a twisting powerhouse at 410 and 428 ci. CO2, emissions, This listing is for a set of (8) L2279NF+30 Power Forged Pistons and matching moly ring set (Hastings/Perfect Circle/MAHLE) P/N 2M5524-030 compatible replacements for Pontiac 400 - 4. 05-inch standard bore and Buy Pontiac 428 Icon Forged Pistons Dish 10cc 4. Desc: All Pontiac 326, 350, 389, 400, 421cid; 1966-1969 428cid; 1970-1976 Pontiac 455cid; 1958-1959 General Motors, GMC, 336cid; 1950-1953 Oldsmobile  Bore, 4. 00. 150 Consultation, Antique Car Parts, Appraisals. For specific details on engine designation and available axle ratios for all series, refer to the proper charts in the “Power Train” sub-section. 160 Bore 10. Pontiac Farago CF 428. 020 over and set up to run well on unleaded premium. 130" to 4. 98 in (101 mm) 427 4. 95 Dish Piston options:(Eagle Assemblies) Entry for bore and stroke is in inches. 980 wrist pin | 1/16 1/16 3/16 ring grooves | dish top -10cc | 2618 Alloy | weight piston 574 grams wrist pin 149 grams Feb 07, 2007 · Both engines share the same 4. 25 Common Pontiac Engine Displacements : (click the button for that bore and stroke for each engine) Click the following to add to the bore size. 125 6 225. 120" The 428 engines have far superior cylinder heads (bigger valves and ports, dfferent valve angle) compared to the 421 engines. There was a short deck engine sized at 265 and 301 cu. The legendary 1969 ZL1 427 big block Chevy had a bore/stroke of 4. Are there any clearance issues with either of the cranks. Most notably is that the 347 had the honor of being the first engine from Pontiac to use the famous tri-power carburetor setup which 467 cu in Eagle Pontiac Rotating Assembly w/ 4. It also lets you use the stock length 6. Shop with confidence. 13 inch stroke, while the 250ci engine has a 3. 71 or 355 cubic inches. 12 and 4 inches, respectively. 76 mm) to 4. In CALIF 1-661-861-0125 Out of State 1-661-861-0167. They had a local So. 75 compared to the Chevy 350, which is a true small block, 4. 75 stroke with 3. 160 10. 030 inch and replacing the 4-inch-stroke crank with a 4. 980" stroke and bore sizes ranging from 4. 75:1 compression ratio to the "670" heads with 2. specifications and data. The '68/69 Olds 400 has a 4. heads. Let us look at the bore/stroke ratios (B/S) of some currently successful production-based race engines. 1-6100-4080 for a 4. 250: 4. 50″ diameter, while the 200/250ci engines utilized a dished piston with a 3. 2100, 3. If you do not have a suitable program, click here to download the Word viewer. This car was almost 19 feet long. 4-9. It is mistakenly called a "Big-Block" due to it's size but there is no such " Small block " or " Big block " since all Pontiac motors shared the same external design and size in the 60's and 70's. Based on the GM LS7 engine block, Mercury has developed a dual over head cam, 4 valve head to take the LS platform to the next level. This is a quick block ID The block is a 69 428. Rod Length and get Free Shipping on Orders Over $99 at Summit Racing! Available Bore Sizes/Oversize 14474-005 - 4. The bore -- the width of the pistons -- changed, but the stroke, or the distance the piston travels, did not change. 980: 1/16-1 428 cubic inches (428-Based) This is a stock style setup for the 428FE engine, featuring a 3. L2440f Standard Bore 400 Pontiac Forged Piston Singles Non Coated Skirts Hastings Mfg - $47. 0-60  Year produced. 040" +. by Lou Vecchioni . The iron used for the 428 block was stronger than what was used in the 421. 348-409 "W" Engine bore and stroke 348 = 4. 010: Valve Springs: Comp Cams, 1. 630, Dish 10cc, Compression Height 1. 75 inches and stroke of 3. What if I kept the bore small and stout like . 040 over and a 4. 4340 forged 3. 5, 3. 250 and 4. Our extensive research and product development, which ranges from street engines to some of the highest horsepower Pontiac race engines in the country, h Stock Specifications: Displacement Standard & Maximum: 289ci: 302ci: 351W: 351C: 355ci: 355ci: 427ci: 427ci: Bore Standard & Maximum: 4. Buick nail head: 364 : 3. Still generally a "performance" motor but not built with the same level of parts/care as the 427. Feb 22, 2018 · Pontiac part numbers Bore and stroke. 030" over bore application. 000″ 4. JE 4. 00 and a stroke of 5. Pontiac Rotating Assembly & Pontiac Stroker Kits. 25 in later years. Power is produced by an overhead valve, 5. 455 CU. 155" bore this engine will be displacing 461 Cubic Inches that will push out 570 Ft Lbs. 8 198 Slant Six 3. 1967 and later. CID: BORE (in. 760: 402: 4. L-head Straight 8 Home » ; Resources » ; The Pontiac Engine; The Pontiac Engine. Pontiac 428 pistons forged dish top piston and ring set | . 00 would be "under square, 4. 421 400 428 455 engine ID. Jan 08, 2006 · Similarly, a 421/428/455 share a 4. 12-inch bore and 4. Here is a list of Pontiac engines based on my memory, 287, 326, 327, 347, 350, 370, 389, 400, 421, 428 Toll Free (U. Ic941075 Icon Forged Flat Top Pistons Pontiac 4. 8cc Flat Tap; Wrist Pins & 1. 9 in | 99 mm. There's an old rumor flying around about 428 SCJ engines using forged aluminum pistons while 428 CJ engines used cast pistons. Racing Pistons Rings 2m5524 . To the novice, since the 400 and 428 now share the same bore size, some think one can swap the pistons for lower or higher compression. The FE made its 1958 debut at 332 ci, with a 352-ci version following later in the model year. Designed for use with 14 degree heads. About Contact Parts For Sale. Welcome to Kauffman Performance, LTD. Mon-Friday 10am - 4pm PST Saturday 9am - 12:30pm PST Dec 08, 2014 · However, the total potential for this new engine platform hasn’t been fully explored yet. In the overall sense they are correct, and careful attention to the recommended fit will almost always ward off the dreaded evils of excessive friction, piston slap, ring damage May 29, 2020 · Pontiac engines all have the same basic architecture, with common 4. The 200 has a 3. 94 inch stroke. 00 Bore Family) 428 Pontiac V8; 421 Pontiac V8; 326 Pontiac V8; 428 CID Pontiac This Pontiac 428 has been built for the street and occasional trip to the drag strip. Components are interchangeable from each displacement, other than 265 & 301, which are only compatible with themselves. 5 inches to as much as 3. Main journal size initially measured 2. Pontiac inlarged the main bearing bores on these motors to 3 3/4". Complete stroker packages are available from a variety of sources, including Survival Motorsports, Blair Patrick Racing, and Precision Oil Pumps. 06 bore x 4" stroke with 3. 020" over). 030, most will go . Rod. 190". 595, Set of 8 Pistons. Most Chevy V8s, Chrysler V8s and some Ford, Buick, Olds and Pontiac V8s are in the database as of this time; not all are covered but the most popular are in place. L-head Straight 8. 2490, 6. Mercury Racing has partnered with Roadster Shop to bring the revolutionary SB4 DOHC engine to the custom car market. Gadette says the deck height could be trimmed down to 8. 350 has 3. Cubic Inches: Bore (inches) Stroke (inches) Main bearing size (inches) 265: 3. 030, . 15 bore x 4. 25" main journals, Keith Black Forged 15cc dished Pistons, Eagle 6. 245" to spare in the cylinder walls, and it doesnt seem likely i have a close friend who is looking to sell his pontiac block (and 69 bird), Bore Stroke Rod Ratio Crank Main Size 428: 4. Top ring land gas distribution groove to enhance performance and improve ring seal. 5:1 SCR w/ unmilled 6x-4's, or 9-9. 350 Chevy Small Block Gen II (4. 75". 3 225 Slant Six 3. Epwi Pushrods Pontiac 350 400 428 455 V8 Push Rods 1967 - 1 Set Of Qty16 Pr105 4340 Steel 4. 990 pins combos. This is the same year that Pontiac used the HO (High Output) to  1969 Pontiac Catalina Convertible 428 V-8 4-bbl Turbo Hydra-Matic (aut. The engine specs and information listed here is for a stock … Crankshafts, Forged-43, 2-piece Seal, Forged 4340 Steel, 4. * NOW AVAILABLE – large bore aftermarket block pistons for KRE MR1 and IAII aftermarket blocks! Another piston designed by Spotts and KB to allow both 4. 6. 125" 4. 8 litre naturally aspirated 8 cylinder engine, with 2 valves per cylinder that produces power and torque figures of 325 bhp (330 PS/242 kW) at 5100 rpm and 515 N·m (380 lb·ft/52. 25: 2. I could use 6. 6563, 1. However, the difference appears to be a matter of getting a more appropriate fit in the bore and not a design difference. Valvetrain : 12 OHV (2 1969 Pontiac Concepts. 91 inch stroke. ) With a 4. The Pontiac V-8 block is constructed of cast iron, and though its displacement increased from 287 to 455 ci by enlarging bore and lengthening stroke over the years, the external dimensions didn’t waiver far from the original design. 980-2700-51-15C wrist pin (145 grams), pin fitting, wire Cubic Inch Style Year Produced Bore Stroke; 223. Bore and Stroke: 4. 98 Hastings Mfg 2m661 4. ) STROKE All 350/389/400/428 and 455 with same flange will interchange. 428 has 4. 00 The Pontiac V-8 was the power plant for a whole generation of muscle cars, including the legendary GTO and Firebird Trans Am from the late 60’s to early70’s. 50 inches. 155" bore this engine will be displacing 461 Cubic Inches that will push out  Pontiac COPYRIGHT © 2000-2015 Stan Weiss — World Wide Enterprises. 78” stroke or the 428 3. 185” Mahle Forged Pistons w/ 6. 57:1 The DCI 400-455 is capable of mid-11 second quarter mile times (3. 11" intake/ 1. All three of these engine are from the 389 engine ( 4. 080 x 4. 800 Rod. 13 of the 428 piston but still uses the 390 crank. 0000, 3. 99 Jun 30, 2007 · The 410 engine, used only in 1966 and 1967 Mercurys, used the same 4. 265, 1980-81, 3. 100˝ bore and 4. Per chance  Pontiac Inline Engine Bore Sizes. 6710, 3. 125" rod) 409 = 4. 080 bore size. 99 stroke? Pontiac V-8 crankshaft part numbers and specifications 1955-1981. 125” Bore, 4. Block castings are different, but not a big deal. 160" 11. 150. 27. 975 x 2. 05 in (103 mm) bore as the 390 engine, but with the 428's 3. 75 stroke. for several years known as the short deck. 00 "; bored . 1 mm) 428 4. The two virtually identical engines were available options in Ford passenger cars until 1959. 455's once again are the same basic motor, but with a larger bore and stroke, same bearing sizes as the 421-428's. 750, Rod Length 6. A bore of 4. 125: 3. 063. 152 inches and the stroke to 4. 630 Flat Top +6cc 2V Centered pin. There is a calculator on my Home Page to Calculate Engine Size in Cubic Inches and CC's also Bore/Stroke Ratio and Rod/Stroke Ratio. Cal. Stroke and 6. 00 and a stroke of 4. 623 Cubic Inch Style Year Produced Bore Stroke; 223. Can a 410/428 stock crank be turned down to that journal size slightly offset to yield a 3. 3 3/16. 030 Over, File Fit, 4. 065 over bore pistons. 1969 428 XF block: Bore/Stroke: 4. 10" or 4. 40625 4. Stroke, 3. 004" factory tolerance: 3. 98 in (101 mm) stroke, giving a 410. You use a standard bore 428 piston when using a 421/428 crank in a 400 block, so you can end up with the proper deck height, just as you do when using the 455 piston on a 455 crank. 50 stroke with 3 Jun 27, 2006 · 2. 150, Stroke 3. 5/3. 50 inch stroke, while the 170ci has a 2. Stroke : 3. The default for the number of cylinders is 8 but that is also open for change. 396. 466: 4. 1963-67. But it can be done---you can *make* a Pontiac 350 put out impressive horsepower but it requires a good deal of machine work. The Pontiac 350 (starting in 1968) dimensions are 3. 800 Rod A FREE calculator that determines the size of an engine based on Bore, Stroke and number of cylinders. rebuild the 400 which turned out to be the original block, but someone along. The two shared every aspect of their build, from bore and stroke (4. 75 inches, giving engine builders for Bonneville-type vehicles or even Pro Mods the potential for an over-square bore/stroke ratio and much higher-revving capabilities — especially with boost. Pontiac engines were last produced and used in 1981. 625, 1. ) The bore is too small, and so if you wanted to use a big cam and valves you have to bore and modify for clearance. 455 - Iron, 4. 292 and with 4. Available Bore Sizes 4. Pontiac 428 Pistons Set8 1967-69 Lemans Gto Firebird Standard. 98” stroke. The 410 was a Mercury-only displacement, which took the 390's 4. 350 Block, Stroke. 4-1 compression with 87cc chamber | 4. 40 : 401 : 3. 25”/428-455 Main Cast Crank, 4. The second is a 406. 000 stroke | 6. Bore : 3. 1959-66. 050˝ stroke. Symmetrical valve reliefs for universal installations. 2 inch of stroke and did without the machined combustion chambers, cross-bolted mains, etc. 428 Flat Top Std Bore: 4. 150, 4. Cubic Inches, Bore, Stroke, Rod Length, Rod / Stroke Ratio, Bore / Stroke Ratio, Bore Spacing. 400 Power Sealed Pontiac GTO Lemans Flat Firebird Set/8+Rings Pistons Top +. 1970- 1976, 455, 4. So, it was suffering Horsepower: 475: Torque: 495: Bore/Stroke: 4. Your Cost. That's actually "undersquare". 375 stroke 4. 625" Rod 4. 2:1 SCR w/ unmilled 6x-8's ( chambers will need to be cc'd to verify actual combustion chamber volume). 137″ deck heights. 78 bore 3. 4500, 2. 48 stroke, while the Pontiac 350 was a 3. 115” CH, -3. 00" stroke. This 351W based stroker is one of our best!! Power-Stroke Diesel; Engine Version. 2L small block engine used in GM performance cars between 2009 and 2017. 500: 301: 4. The 455 Still used the Larger 3 1 ⁄ 4 in (82. 1200, 4. 77-inch exhaust valves, to the "067" camshaft with 273 degrees intake duration and 289 exhaust (on four-speed models; automatics used the "066" cam with 273/282 degrees duration, intake and exhaust). High silicon alloy for tighter piston-to-wall clearance. 980 pin setup and the 4. Per chance, the final displacement was derived by the bore and stroke Pontiac’s 428 V-8, used in full-size muscle cruisers and dealer-installed in place of the stock 400 V-8 in some GTOs, actually displaced 427 cubic inches by way of a 4. 155: Stroke: 3. 95. Fitted with Tri-Power or the even more exotic  31 Jan 2018 In 1957, the stroke was increased and displacement rose to 347 cid. 800 inch rods, the stack height is 10. 00 inch stroke. 250 Stroke X 3. 000" Stroke See more like this. Dec 07, 2009 · Cubic Inches Bore (inches) Stroke (inches) Main Journal size (inches) Rod Journal size (inches) 265 3. 4. 750" 6. 30-inch stroke, while the 352-ci stroke was 3. 250, 2. 150" bore size. 135 overbore! Its the luck of the draw what you really have as its all variation in mass production castings. L-Head That's the Speed Pro forged piston. 1969 Pontiac Grand Prix 428 HO: Pontiac Grand Prix 428 HO is an automobile that has a 2 door coupé body style with a front positioned engine powering the rear wheels. 00" stroke/ 3. 12-inch bore and a 3. ” SRE typically will over engineer engines like this for longevity purposes and for the eventual power upgrade that always seems to happen. Chevrolet Small Block. (Note: If you click the buttons more than once, it will continue to add to the bore's value. 350) standard Pontiac, 50 and 55mm cam tunnels are available; Bronze lifter bushing available; Standard 3″ mains; The MR-1 and MR-1A Pontiac blocks are designed to accept ALL stock Pontiac parts! Pontiac roller lifters fit without grinding block (Crower as well as other brands) stand oil pump drive rod May 14, 2013 · 400 has a 4. The 455 powered the Pontiac GTO and Firebird. The 455 H. 21-inch (106. Engine, horsepower, torque, dimensions and mechanical details for the 1969 Pontiac Firebird. 1935-1936. 120, same stroke 3. Stroke and get Free Shipping on Orders Over $99 at Summit Racing! A short stroke relative to bore size is beneficial because of less piston drag. Many shops know Chevy motors very well, and apply their knowledge to FEs, which can lead to problems or omissions of critical procedures. SCAT Rotating Assembly Kits - Ford FE - Cast Crank (Series 9000) - 428 Main (462CI) - I-Beam Rods - Street & Strip Hover (or touch) to zoom. Example; Total Seal CR, . 00" (433 cid) Deck Height. 09375" 428 bore - 4. 710". flat tappet camshaft, Eagle H-beam rods, Edelbrock Performer RPM intake, Canton oil pan, Scorpion Roller rocker arms and too much to list. 930: CC Stroke: The 144ci engine has a 2. 7 301 Chrysler Hem… In 1963, Pontiac replaced the 215 with a "new" 326, which was really a 336 with a bore of 3. 210, 6. 560: 4. 250: 3. 25" (6. 00 "over square". It had a bore and stroke of 4. Kauffman Performance is dedicated to manufacturing the highest quality aftermarket Pontiac blocks available. Chevy 396 bore and stroke. Motor: Size: Deck Height: Bore: Stroke: Rod Length: Rod Journal: Rod Width: Max. A number of changes occurred during the course of its production run, however, and some limit component CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. 155" x 4. 000: 502: 4. This killer engine makes great power and torque so check it out! Don’t forget we build it just for you. 030 oversize 4. Sep 23, 2006 · Pontiac Overbore Specs Stock Bore: Stock Stroke: Overbore (inches) New Bore (inches) For 1970 through 1976, the 428 bore was expanded 0. 25, 6. 385" Forged H-beam Head Size / Compression All Texas Speed & Performance resleeved short-blocks use a NEW resleeved Gen 4 aluminum block with Darton dry sleeves! The standard price includes a fully-assembled short-block with a 4. The standard 428 crankshaft was used, which meant that the 410, like the 428, required external balancing. 25, 2. Reply Compression Calculator My thanks to Lee for the concept and research. 132 in (105. 25 with the 428 crank it comes out to 452 inches, I dont know why people call them 454s, Ford does not reccomend more than a 4. 1967-79, 400 cid. To make the rods even stronger, they are shot peened which also increases fatigue life. L-head Straight 6. 000: 287: 3. 05 bore, but uses the 428's 3. 155-inch bore and 4. 100 ,4. 120" plus the . Horsepower, 1968: 335 brake horsepower @ 5600 RPM 1969-1970: 335 brake horsepower @ 5200 RPM. Years. 98. 190 Bore -5cc Flat Top For 1958-1976 Ford 428 Fe Different service part numbers were used for each application. 000 in. CI: Crank: Rod: Stroke: Rod Length: Piston: Piston Bore: Type: 72CC: 84CC: Unbalanced: Complete: 4340 Forged Standard Weight Cranks, H-Beam Connecting RodsINTERNAL KB Hyper Single Piston - Pont 428 Rod 6. 984 inches. Wade White did a 4. of No Pontiac first designed their v-8 engine in 1955 is was 287 cubic inches and the 455 is basically the same motor with larger bore and stroke. It has since been upgraded by ARC Race Cars in New Oxford PA with a chrome moly roll cage, chrome Strange Strut Front end, double frame rail and 9″ rear, NHRA certified to 7. 91 Srp Flat Top Pistons For Pontiac 400 6. This is a complete Pontiac rotating assembly / Eagle crank kit prepared by Tin Indian Performance. Another example is:. 00 X 3. Whether the kit is intended for stock replacement or racing, various levels of compression will allow for improved performance with emphasis on top-end power and high RPM. 02 3. As the V-8 continued to develop, Pontiac replaced the 428 with a 455-cubic-inch engine for the 1970 model year. 0L/428 Pistons with 4. It is powered by a naturally aspirated engine of 7 litre capacity. 25 or even a 4. 54 3. 99 stroke with a BBC rod journal at 6. For the 455, Pontiac expanded the cylinder bore to 4. Most end users regard the recommended piston-to-wall clearance as an all-inclusive indicator of the piston’s optimum fitment in the cylinder bore for safe operation. 1525 in (105. Below is a list of recommendations and special notes compiled from several FE “experts. 350 Bore Flat Top Feb 07, 2007 · The Pontiac 350 is basically a big block, as the block itself is the same dimensions as the 400 and 455, but it has a much smaller bore. Displacement is given in cubic inches, liters and CCs. 125 Standard Bore Piston Ring Set For Chevy 396 402 400 Sb The charts below detail Pontiac’s 1968 engine application, and indicate transmission availability for each. The motor has a bore size of 3. 3. 1955-56, 265, 3. 55 gears and 3,200 rpm stall converter recommended for 3,500 pound car). 1935-36. 75-inch stroke, Pontiac's 400 had from 421 to 428 and, finally, 455 cubic inches, Pontiac still went with the  1967-69, 428, 4. Piston is . 11-inch intake valves and 1. This motor is rare for any Pontiac (only available in full-size models since General Motors  We offer Pontiac SRP performance pistons & rings for street strip or race from RPM. More common than the 427 but much less common than the 390/360/352 variants. 50" (6. Find PONTIAC 7. 72 bore X 3. 4, 6. , as it was conceived to be a more relaxed high-torque cruiser. ” 4. 03 in (0. If you have questions please direct them to the Q & A. $ 1495. 000″ The 4. 1969 Pontiac GTO technical specifications and data. 800 rod, . Pontiac’s 428 V-8, used in full-size muscle cruisers and dealer-installed in place of the stock 400 V-8 in some GTOs, actually displaced 427 cubic inches by way of a 4. 30 over, 4. Chevrolet - Big Block: CID: BORE: STROKE: 396: 4. REALLY good rod/stroke ratio, and the shorter stroke (vs. It consists of custom Diamond pistons to yield 9. Pontiac 461 Stroker Crate Engine From: $ 13,345. 017 over roughly. Must match the bore, stroke, and Pontiac’s 428 grew to 455 in 1970 by increasing bore size . 00, 2. Final combustion chamber size of 77ccs with RAIV valves: Deck Height: negative . Similarly, a 421/428/455 share a 4. 48. 0-inch stroke. 406 was the predesessor to the 427, and was available in 63 galaxies as a factory tri-power. 984: Rod: 6. 5/1. The rods and rod bearings stayed the same as the smaller motors. 95 NOS CARTER QUADRAJET CARBURETOR 6132S 1967 PONTIAC 400-428 ENGINE Pontiac 455 / 468 Stroker Kit, Eagle 4340 Forged Steel Crankshaft 4. Using examples from my own info, the Olds 455 has a 4. The engine was soon upsized to 317 cubic inches for 1956, and by 1970 it eventually reached a whopping 455 CID. FX Pontiac 389. 096: 3. Part Number: SDM-PCE276-1140 More Detail Estimated Ship Date:Loading Monday 7/27/2020 (if ordered today) Pontiac 400 to 455ci Street Crate Engines Bill Cannon, the owner started racing with his very first car, a 1965 GTO 428 4 Speed in 1975. 3 mm). 24 Dec 2018 Fast forwarding to 1967 Pontiac altered the bore and stroke to produce the 400. This leaves the 455 "under square" meaning the stroke is longer than the bore much like many truck and tractor engines. 625 H-beam rods, Total Seal file fit rings, FM rod and main bearings. 030") . V-8, netting 347 cubic inches of displacement. With an oversquare bore of 3. 040 positive 156431 SRP Pistons 400/428/455 Flat Top 435 Pontiac 4. 50 : 1956: 317: 3. 410 4. Pontiac engines were available in many different displacements, ranging from 265 CID to 455 CID. 875 inches and has a stroke of 3. 428[edit]. In 1967 the basic 421 design's bore was increased to 4. Year Produced. 232 in (107. Bore Pontiac Stutz 400 428. 428 - Also FE family. 1000, 2. 010" rod) 427 = 4. 455) offers a higher "safe" RPM limit. 6 The 428 had the same 4 in (101. 250 in. 76" , while the newer LS7 small block has a bore/stroke of 4. Engine was bored . Heads: 670s ported by Mullins; heat cross-over bronze filled and blended into chamber. 7 Aug 2014 But out of those cars, only 100 were built with the 428 HO backed by an automatic transmission, according to the GM Heritage Center. 625  Fuel system: 3 x 2bbl. 47 mm), combined with a 4. 250 Stroke, Eagle 6. Style. 75 inches, making it really 354 cubic inches instead of 350. 135" rod) 1963 "Z11" SHP drag race We appreciate the support and encouragement we have received from our visitors around the world for the past 20 years. L2280F TRW FORGED PISTON 428 PONTIAC SINGLE STANDARD BORE NOS A kick ass / durable V8 motor that was produced by Pontiac Motor Division from 1968 to 1977. 050, 2. 25 stroke with a very small 3. 750 Stroke. 250. 025 below factory deck. CID. Nothing is interchangeable. 4340 forged 4. 21 inches. 250: 2. 2 mm × 95. 595 compression height | . A large bore relative to stroke allows larger valves to be used with less cylinder shrouding. 2 L) displacement is precisely half of the 389, with an identical bore and stroke of 4 1 ⁄ 16 in × 3 3 ⁄ 4 in (103. Feel free to contribute. 500 stroke cranks to used in the aftermarket blocks. Excellent for street rods and bracket racers. High Performance Pontiac Parts. Cubic Inch, Style, Year Produced, Bore, Stroke 428, 1967-69, 4. Thanks to: dodge41 For numbers on some different engines. 000: 1. 0000 3. Pre-1964 cranks must be machined to fit Turbo Hydramatic torque converters. The same year, Pontiac increased the stroke of its 316-cu. 375 One other consideration is the stroke to bore ratio. 50 to run as fast as I want to safely. 120. 7000. We stock just about all pistons sizes for the 4. Main-bearing diameter varied from 2. CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. 421 bore - 4. 12 bore x 3. CP-Carillo Forged Piston Set: 4. 219: 2. 265, 301, 307*, 326, 350, 389, 400, 421, 428, 455 Enlarging bore diameter and adding crankshaft stroke length were ways that Pontiac increased the displacement of its original 287 to an eventual size of 455. Head CC - Comp Ratio. was comparable to the previous year’s 428 H. 030 Pontiac 400-428. 225" dome with a trough DurOshield skirt coated piston. Block Ht. Click right or left side (or swipe) to see more images. 24″ deck height, with the exception of the 265, 301, 303, and 366, which had 9. 7 rods with BBC journals. 250" The bore is too small, and so if you wanted to use a big cam and valves you have to bore and modify for clearance. 250  28 Apr 2020 Intended for full-size cars, Pontiac's 428 has plenty of muscle car […] the same 3. 43 cu in (3. 12 inches by 3. 75-inch stroke of the 389, but increased the bore from 4. 21-inch unit. 3: L-head Straight 8 Apr 10, 2016 · Cubic Inch. If we don't have it we can order it. Representative Performance. Engine Blueprint Specifications: 1968 Pontiac 390 HP 428 V8 . 625" Rod length, 1. pontiac 428 bore and stroke

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