Pontiac 400 Crankshaft

Starting from scratch, Frontzak put the Pontiac engine through the standard procedures to get it in proper shape. It is a much simpler chore with everything included for a trouble free installation. SCAT Rotating Assembly Kits - Pontiac 400-455 - Forged Crank (Series 4340) - (461CI, 488CI) Hover (or touch) to zoom. It has a 242 vin; it is a real GTO. Changing gears to satify the customer, Frontzak says the 461 was originally a 400 and got a different stroke crank and a Tri-Power set up. 250-inch unit for 3-inch main 326/350/389/400 blocks. Pontiac 400-428, Ram Air & SD 12pt Head Stud Kit. We pride ourselves on providing the best possible high performance crankshaft at a fair price with the best possible service. The Pontiac V8 engine is a family of overhead valve V8 engines manufactured by the Pontiac Division of General Motors Corporation that made its debut in 1955. 250 in Stroke Internal Balance Forged Steel 2 Piece Seal Pontiac V8 Each Pit Stop USA sells Eagle Specialty Products Pontiac 400 Forged Crank 4. 6L/400 Crankshafts and get Free Shipping on Orders Over $99 at Summit Racing!. OK, I have a Pontiac 400 that is about to make me pull my hair out. Pontiac 400 cranks are ALL cast except a very few VERY rare Kellogg forgings from the Ram Air V program, and leftovers that went to the Ram Air IV "SD" version. It's merely a stroker kit with a 428 crank, displacing 383 cubes with a. Pontiac FIREBIRD Catalog. In short, while we may be considered Pontiac experts we pride ourselves on our professionalism to provide you with the best engine regardless of make. Our precise, no compromise production efforts deliver dimensional accuracy that is second to none. He had brought me the complete short block that was rebuilt back to stock, but wanted more power than what a stock rebuild would make. 9 out of 5 stars 14. 2006 Pontiac GTO 6. Check out all of our videos and you see we cater to all of our customers needs. It's merely a stroker kit with a 428 crank, displacing 383 cubes with a. This is a new 4340 forged nitrided Standard weight Pontiac 400 crankshaft. Please login I need to torq down the front crank shaft bolt on my 400 engine and was wondering what size socket. OK, I have a Pontiac 400 that is about to make me pull my hair out. It is CNC Laser cut from 1/4 Steel Plate. Ames Performance Tri-Power Pontiac Nationals. NASCAR Winston Cup race number 2 of 29 Sunday, February 21, 1988 at Richmond Fairgrounds Raceway, Richmond, VA 400 laps on a. all large journal crank shafts have a 2 3/4″ flywheel flange. 3780"OD x 0. Since that time, we have learned more about Pontiac cams, and a comprehensive article on the subject was prepared for the Fall, ’94 issue of “Pontiac Enthusiast” magazine. Butler uses only high quality crankshafts, rods, and pistons in their rotating assemblies as well as stock's many asse. 00" main journal diameter *be careful though as 389/400 cranks come in 2 1/2" and 2 3/4" so be careful when swaping cranks or you might end up changing flywheels. It's been turned. Introduced as a companion make for GM's more expensive line of Oakland automobiles, Pontiac overtook Oakland in popularity and supplanted its parent brand entirely by 1933. The BoxWrench Engine Specs Database is a community resource for mechanics of all skill levels to access a reference library of Firing Orders, Distributor Rotation Directions and Block-Cylinder Numbering as well as Torque Specs, Timing Settings and Cylinder Head Tightening Sequences among other engine specs. 400 Pontiac Crate Engine 450 HP With Aluminum Heads Starting at $12,345. 0 400 ps, 1668 kg. Pontiac Engine Bore Sizes As You Go Thru Life DO A WHEELIE !!! Home Tech Articles Pontiac Inline Engine Bore Sizes. Scat Crankshafts 9-400-3750-5700 Cast Steel Crankshaft for Small Block Chevrolet. Product Features: Crankshaft 4. PowerNation TV is America's most watched automotive how-to programming. Pontiac 400 2 bar carb: 45S -. The six made only. Buy direct and save up to 55% and receive 1:1 support. High performance Pontiac 455, 428 and 400 blueprinted crate engines including stoker motors for traditional Pontiacs. Pontiac 350, 400, 455 HD Oil Pump Cover Plate This ia a Pontiac 350, 400, 455 HD Oil Pump Cover Plate. If you're planning to rebuild an engine you've already got, or you're considering a Pontiac V-8 purchase in the near future, there are some important engine block, crankshaft, and connecting rod information you should be aware of. Designed and manufactured to Eagle's specifications. 200 Chevrolet rod journal. 10"), but with a crank stroke of 3. 200 Journal) Stronger and more durable than stock castings. 00" Rod Jounal: 2. Pontiac 400 (408) 425 HP Four Bolt, #16 Heads Blueprinted, Dyno Run, Street Ready DP-BAX 425HP-Pont MAY08 Description This is a 1970 Pontiac 400 4 bolt main block and caps built as a 1970 front. Search Car Torque Specifications by Engine or Model. What would you do to improve our website? We're always looking for ways to improve JEGS. Note that the cylinder number 1 is the next driver in front of the engine (the same location on all V-engines) or just the first behind the power steering pump. RBS is offering complete street blower drive kits to allow the installation of a roots type blower on a Pontiac 400-455 engine. 25 inch stroke forging and was installed in the MR-1 block it is sitting next to for testing. The torsional property of a forging allows it to bend or flex from end to end more easily than a cast crank. 6L/400 PONTIAC V8 Crankshafts and get Free Shipping on Orders Over $99 at Summit Racing!. Pontiac discovered the benefits of the ductile cast-iron crank in the early 1960s and immediately discontinued its 421 Super Duty forgings in favor of the cast Arma-Steel units for all 1963 Super Duty cars. This information is used by the Electronic Control Module( ECM ) to control ignition and fuel injection. I chose the best Pontiac engine ever made for this project. Replacing the crankshaft on your Pontiac is a major job, so don't risk the repair with substandard parts. Pontiac Indian Heads. It is a much simpler chore with everything included for a trouble free installation. 1967 Pontiac 400 V8 Engine Block Crankshaft Cylinder Heads Gto Firebird Motor. Note: 265 and 301's have a 2. Pontiac (400) 461, 4. 25-inch stroke. You've got questions, we've got answers. Most are shipped UPS Ground, unless otherwise specified. Six speed… Read more Read. Pontiac 400 Crankshaft. Buy direct and save up to 55% and receive 1:1 support. 6L/400 PONTIAC V8 Crankshafts and get Free Shipping on Orders Over $99 at Summit Racing!. I know the 400 crank will wrk if i remove wight from the counter balance. All of the timing chain covers from 1964 to 1979 will bolt up. 50 to run as fast as I want to safely. 500 stroke models. Search Car Torque Specifications by Engine or Model. Pontiac 350, 400, 455 HD Oil Pump Cover Plate This ia a Pontiac 350, 400, 455 HD Oil Pump Cover Plate. They are each offered as an Internal balance designed and come in Standard Weight, Pros Series Lightweight, or Superlight series crankshafts. Pontiac Firebird Front Crankshaft Seal Replacement costs between $98 and $331 on average. Pontiac G6 Oil Leak From Front Crankshaft Seal - 148 reports. Stock Pontiac crank: 1967 400 REBUILD for. These cranks require external balancing by using specific vibration dampers, flywheels or flexplates in the 400 motor. Concentricity and surface finish are the two most desirable features in a high performance crankshaft journal. 800 Rod, -6cc Flat Top (10. The BoxWrench Engine Specs Database is a community resource for mechanics of all skill levels to access a reference library of Firing Orders, Distributor Rotation Directions and Block-Cylinder Numbering as well as Torque Specs, Timing Settings and Cylinder Head Tightening Sequences among other engine specs. Get a great deal! Our used auto parts locator service will help you get a great deal on the used crankshafts you need for your car, truck, SUV or van. Welcome to Rods 'n' Sods, the most active and friendly UK Rod and Custom website. Every attempt has been made to accurately represent the manufacturer's specifications. New and Used Automotive Parts and Accessories On. crankshaft position sensor on a 2000 pontiac grand am where is it located - Pontiac 2000 Grand Am GT question known as the crank position sensor is an electronic. 200 Journal) Stronger and more durable than stock castings. 00 valley pan 20. AD Performance Eagle Street Strip 4. Pontiac rebuild--how to degree a cam. The complete article ("Pontiac Cams: Is There A Magic One?") has been duplicated with the magazine's permission, and is furnished in place of the earlier Part 5. Scat 4-400P-4000-67 00-2200 Forged Steel 4. Pontiac went to their last bellhousing pattern in '61 (with a block mounted starter), and this was adopted by Olds, Buick and Cad later on in the 60s. Pontiac 400 428 455ci Street Crate Engines Bill Cannon, the owner started racing with his first car, a 1965 GTO 428 4 Speed in 1975. In short, while we may be considered Pontiac experts we pride ourselves on our professionalism to provide you with the best engine regardless of make. Later, the 428 was increased to 455 while the 400 remained as the base engine. Ford did use slightly different components in the 351M and 400, such as harmonic balancers, camshafts, and valve springs, but functionally, the engines were identical except for the crankshaft and pistons. Pontiac V-8 Crankshafts Pilot bearing # 7109 is 1. Introduced as a companion make for GM's more expensive line of Oakland automobiles, Pontiac overtook Oakland in popularity and supplanted its parent brand entirely by 1933. The correct size is 3/16th by 1 3/8 long. 500" stroke crank in a Pontiac 400 block- although any new part should be installed and all clearances checked prior to final assembly because of factory production variances. We have 78 cars for sale for 1969 pontiac 400 engine, from just $3,500. The traditional Pontiac V-8 engine's short block has some unique characteristics. Pontiac One-Piece Oil Pan Gasket. The least expensive online catalog for all your Pontiac Pulley needs. In some cases, crankshaft interchange may be possible among motors in the same row; major machining may be necessary. 3780"OD x 0. Billet Aluminum Pontiac Crankshaft Pulley (1968+) - High Flow. Finally someone made a 4" stroke aftermarket crank to add to the 4. We recommend these for applications that are for 600-1400 HP. This is a New 1 Groove Crank Pulley with 9782704 Stamped. Fast, attractive and iconic, your Pontiac GTO delivers in terms of speed, agility and performance. Fits most Pontiac V8 engines. How hard to get 400 hp out of a 400 pontiac engine From what I have seen ,the 455 is basically the same block as the 400 ,but longer stroke crank. The engine, once done, will be going in the customer's 1965 GTO. 50 to run as fast as I want to safely. This is the wrong crankshaft. Rotating assembly can be balanced for you if you desire. 4340 Forged Standard Weight Cranks,. Search Car Torque Specifications by Engine or Model. This design is available for other strokes and custom cranks. Ohio Crankshaft offers a wide array of crankshaft applications for Ford, Small Block, Big Block, and LS Chevrolet, Chrysler and Pontiac applications. Just this year, Butler Performance released 4340 forged cranks in 4. , 7,488 cc) versions. New and Used Car and Truck Parts and Accessories On Sale. Here are the new 4340 non-twist forged crankshafts from Ohio, Eagle and Scat. Our 4340 forged crankshafts are heat treated to increase tensile strength, shot peened to increase fatigue life, nitrided for wear resistance and 100% mag particle inspected to ensure against cracks. Pontiac engines were available in many different displacements, ranging from 265 CID to 455 CID. CID: Contents: Bore size & Cart: 462-469 cid: Eagle cast 4. Pontiac 400 cranks are ALL cast except a very few VERY rare Kellogg forgings from the Ram Air V program, and leftovers that went to the Ram Air IV "SD" version. Replacing the crankshaft on your Pontiac is a major job, so don't risk the repair with substandard parts. For an additional $263. For my 400 engine rebuild I chose the Competition Cams 270H camshaft. 50" w/gm rj CHRYSLER 361-400 4340 NITRIDE 3. Find PONTIAC 6. 250" Stroke Part Number: 356-104004250. Starting from scratch, Frontzak put the Pontiac engine through the standard procedures to get it in proper shape. Customer must have a 400 Chevrolet crankshaft core for exchange. OK, I have a Pontiac 400 that is about to make me pull my hair out. It's merely a stroker kit with a 428 crank, displacing 383 cubes with a. Buick and Pontiac V8s. This is a special aftermarket application by grinding a 400 Chevrolet crankshaft to fit a 350 engine block. 6L-400ci-V8 Engine Torque Specs. Over 6,000 Automotive Torque Specs. Browse Pontiac 400 Cylinder Heads in stock now. Pontiac 400 428 455 Engine Casting Numbers Pontiac Cylinder Head ID Numbers Service Replacement (SR) blocks do not always have a code stamped on the front of the engine. Welcome, Guest. 400 Pontiac Crate Engine 450 HP With Aluminum Heads Starting at $12,345. Between the PONTIAC 326-455 EVERYTHING externally is interchangeable. Find Pontiac at the best price. SFI Approved and Heavy Duty Flexplates Home / SFI Approved and Heavy Duty Flexplates Double Welded Hughes flexplates are. Pontiac Bonneville Crankshaft Harmonic Balancer Replacement costs between $166 and $306 on average. We have a large inventory of domestic crankshafts, however most import crankshafts are done on special order, please ask a salesman for further details. 625 H-beam rods, Total Seal file fit rings, FM rod and main bearings. crankshaft position sensor on a 2000 pontiac grand am where is it located - Pontiac 2000 Grand Am GT question known as the crank position sensor is an electronic. No matter what you're driving, we have the right Pontiac 400 Crankshaft for your automobile. PONTIAC 400-455 COMPETITION ROTATING ASSEMBLIES. 20 RMS-2Pc Ext. Flywheel: 1955-1957, 1958-1960, 1961-1962, 1963, 1964-1979 There are two different diameter flanges used on the 400 crank after 1975. Pontiac 350, 400, 455 HD Oil Pump Cover Plate This ia a Pontiac 350, 400, 455 HD Oil Pump Cover Plate. 200 rod journal. Find great deals on eBay for pontiac crankshaft and pontiac 428 crankshaft. How to Install and Degree a Pontiac Camshaft (326-455) No comments. However, these codes were used over from year to year. When someone talks about a Pontiac Ram Air (numbers II through IV), they're talking about a series of limited-edition, 400-cubic-inch muscle car engines built from 1967 through 1970. After years of selling Pontiac parts we have finally put up for sale our collection of distributors listed by application and date code. If you know your Year Make Model, put it in the selector so that we can guide you to a product that fits your vehicle. Custom built Pontiac 400 crate engine. Location varies, and I have found original Pontiac cranks without part numbers, some partially or fully stamped, and others with full numbers. How do you install a crankshaft in a 400 cu in Pontiac trans am engine? Completely disassemble the engine, thoroughly clean the block and all components. Remanufactured Engines Jeep AMC. After contemplating for so long about what engine I wanted in my truck I run across this Pontiac GTO 326 engine, it's basically the same as a 400, plus it's been bored out to a 400. Pontiac rebuild--how to degree a cam. PartRequest. This is a New 1 Groove Crank Pulley with 9782704 Stamped. be careful though as 389/400 cranks come in 2 1/2″ and 2 3/4″ so be careful when swapping cranks or you might end up changing flywheels. We have these Icon brand Pontiac 400 forged piston sets available in a wide range of sizes including standard bore and many popular oversizes. I am replacing the crankshaft, what is the maximum stroke I can go with without modifying the block or. 3543"W Starting around 1966-1967, not all cranks used with automatic transmissions were machined for a pilot bearing. In 1967, the 400 replaced the 389 as the standard engine and the 428 replaced the 421. PONTIAC 400-455 COMPETITION ROTATING ASSEMBLIES. If you like Pontiac's the 400 engine bock is the way to go. Throughout the ‘60s, Pontiac’s 389-cubic-inch V-8 did most of the heavy lifting in the brand’s performance models with the 421 and its larger crankshaft main bearings handling the Super Duty work both in NASCAR and on the dragstrip. 010 under on the main journals and. PONTIAC,Pontiac 400/428/455 Flat Top - JE Pistons Pontiac 400/428/455 Flat Top. I sold my firebird, but I still have the crankshaft that came from the motor. I am curious as to what year your 400 block is? And is this a standard Big block Pontiac engine? The sizing you listed are not for a 400 Pontiac engine. This is a 1968 Pontiac GTO Classic Car in Madison WI posted on Oodle Classifieds. If you know your Year Make Model, put it in the selector so that we can guide you to a product that fits your vehicle. We pride ourselves on providing the best possible high performance crankshaft at a fair price with the best possible service. 500" stroke crank in a Pontiac 400 block- although any new part should be installed and all clearances checked prior to final assembly because of factory production variances. Pontiac 400 Pistons by Icon. We offer pontiac 400 performance engine rebuild kits and master kits and parts with affordable prices at RPM Pontiac 400 Performance Engine Rebuild Kit RPM - RON'S PRECISION MACHINE, INC. 250-inch unit for 3-inch main 326/350/389/400 blocks. For my 400 engine rebuild I chose the Competition Cams 270H camshaft. Starter is cranking things over fine. Search Car Torque Specifications by Engine or Model. Distributors that are nothing special are sold at a discounted price and will work fine for most applications while our rare and very hard to find distributors are priced to reflect their true collector value. 1967 Pontiac 400 V8 Engine Block Crankshaft Cylinder Heads Gto Firebird Motor. be careful though as 389/400 cranks come in 2 1/2" and 2 3/4" so be careful when swapping cranks or you might end up changing flywheels. For a built proof bottom end, we also use a 1 pc rear main seal no oil leaks here. Casting numbers can be used to identify most Pontiac crankshafts. 250 Stroke, 6. The engine that powers Jim Hand's 1971 Pontiac Le Mans Station Wagon (with factory installed GTO appearance Endura front end) into the high 11s in the quarter mile is detailed below. Cartalk) submitted 5 years ago by joshuams I've got a Pontiac 400 out of a 1973 grand prix just put in. Here are the new 4340 non-twist forged crankshafts from Ohio, Eagle and Scat. The best part is, our Ford P-400 Engine Crankshaft Kit products start from as little as $215. Car features a 400 hp, 302 small block ford with Patriot aluminum cylinder heads, forged crank, Keith Black pistons, Corbeau safety harnesses, Baer brakes, Shelby Razor wheels, LED tail lights. I am still in process of building the 400 ci engine. Note that the cylinder number 1 is the next driver in front of the engine (the same location on all V-engines) or just the first behind the power steering pump. 6L) This Pontiac 400/6. I do not know if the seal was replaced in the rebuild. This information is used by the Electronic Control Module( ECM ) to control ignition and fuel injection. Changing gears to satify the customer, Frontzak says the 461 was originally a 400 and got a different stroke crank and a Tri-Power set up. PONTIAC,Pontiac 400/428/455 Flat Top - JE Pistons Pontiac 400/428/455 Flat Top. If so, PartRequest. Pontiac began as a "companion" to the Oakland division of the General Motors line of automobiles in 1926. For an additional $263. The rotating assembly, or stroker kit, is the heart of a high performance engine. Every 400 crank I've seen so far has been drilled for the pilot bearing (bushing), but if by chance it isn't, any 326, 350, or 389 crank will fit, which gives you a much larger pool to chose from. I replaced the seal 2 years ago when I. If you know your Year Make Model, put it in the selector so that we can guide you to a product that fits your vehicle. No matter if you're looking for a one or two piece main seal, or cast or forged steel, we've got you. Information found. MOLNAR PREMIUM 4340 NON-TWIST FORGED CRANKSHAFTS. It was used in the 1967-1971 GTO. There is no shortage of Pontiac rods bearings. (actually 457 cu. Click on Ford, Small Block Chevrolet, Big Block Chevrolet, LS Chevrolet, Mopar or Pontiac to view a list of all of the products carried in that product line. Forged steel cranks are the way to go if you're building a hot street performance, or an all out racing engine. Pontiac 326 350 389 400 King Crankshaft Main Bearing Set 1963-79 STANDARD. The Novak Guide to the GM TH400 Automatic Transmission. Let us know what you think! Please use our Contact Us page for issues that require a more immediate response. High performance Pontiac 455, 428 and 400 blueprinted crate engines including stoker motors for traditional Pontiacs. Pontiac also added the L74 400 H. also on the stroker kits get one with a forged crank will hold up better than cast. 0 Stroke Pontiac 400 Crankshaft. Kit Includes: • Powermaster or Tuff Stuff Chrome 105 Amp Alternator(s) •Alternator pulley with fan and nose cover • Matching Chrome or Polished A/C Compressor • Water pump and Hardcoated pulley • Alternator/Power Steering Bracket • Crank pulley (Larger Dia for better accessory drive) • 3 Idlers for better belt wrap •Belt Tensioning Tool •All mounting hardware. 500" stroke crank in a Pontiac 400 block- although any new part should be installed and all clearances checked prior to final assembly because of factory production variances. Pontiac introduced the 400 cubic inch V-8 in performance oriented cars in 1967, and continued to make the engine available through 1979. 25 inch stroke forging and was installed in the MR-1 block it is sitting next to for testing. Pontiac offered the 389 engines in a wide variety of horsepower ratings. Not sure I like saying I've got a '383' in a Pontiac since everyone will assume it's a chevy, but the stroker kit is only $1800 and the head work is a grand using my existing block and '47' heads. 6L, Trans am, Firebird. Scat 4-400P-4000-67 00-2200 Forged Steel 4. I do not know if the seal was replaced in the rebuild. 500" stroke crank in a Pontiac 400 block- although any new part should be installed and all clearances checked prior to final assembly because of factory production variances. It is the most credible, highest-rated, longest-running tech content on television. ALL USED, REBUILT & RECONDITIONED PRODUCTS HAVE LIMITED AVAILABILITY & NOT ALL PRODUCTS PICTURED ARE AVAILABLE. They are each offered as an Internal balance designed and come in Standard Weight, Pros Series Lightweight, or Superlight series crankshafts. The 400 in³ (6. They are all the same size blocks the main differences are the 326-400 use a 3" main crank journal and the 455 uses a 3. The company’s Pontiac crankshafts are. 030 it came just below the limit. I'm into pontiac's pretty heavy and that is the best cam I've ever run. 800 Rod, -6cc Flat Top (10. 250 Stroke, Eagle 6. PONTIAC 400 455 4340 Forged Steel Crankshaft ST-4. 00 valley pan 20. 250 Stroke, 6. 3543"W Starting around 1966-1967, not all cranks used with automatic transmissions were machined for a pilot bearing. We have over lots of customer reviews on Pontiac Crankshaft Seal to help you find exactly what you need. We go out of our way to carry every major line of Pontiac crankshafts, so that whether you are looking for a cheap Pontiac engine crankshaft or a performance crankshaft or anything in between, we've got it for you. It's been turned. be careful though as 389/400 cranks come in 2 1/2″ and 2 3/4″ so be careful when swapping cranks or you might end up changing flywheels. Pontiac (400) 461, 4. The parts and labor required for this service are. crankshaft position sensor on a 2000 pontiac grand am where is it located - Pontiac 2000 Grand Am GT question known as the crank position sensor is an electronic. 250-inch unit for 3-inch main 326/350/389/400 blocks. SCAT Rotating Assembly Kits - Pontiac 400-455 - Forged Crank (Series 4340) - (461CI, 488CI) Hover (or touch) to zoom. Pontiac 400 Pistons by Icon. Stock Pontiac crank: 1967 400 REBUILD for. Owned by David Weldon in Anderson, SC. all large journal crank shafts have a 2 3/4″ flywheel flange. 1L Hemi applications. Pontiac 400 Crankshaft. CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. It was used in the 1967-1971 GTO. engine that reves like crazy and has the tourqe of a big block. Every 400 crank I've seen so far has been drilled for the pilot bearing (bushing), but if by chance it isn't, any 326, 350, or 389 crank will fit, which gives you a much larger pool to chose from. Pontiac rebuild--how to degree a cam. They would see the 400 bal and could not understand how it would P&G so small. Showcasing pontiac 400 cylinder heads in stock here online. The aftermarket Pontiac Firebird crankshaft kit is designed for your motor, and AutoZone's high-performance replacement kit is even available for post-2000 models. Not sure I like saying I've got a '383' in a Pontiac since everyone will assume it's a chevy, but the stroker kit is only $1800 and the head work is a grand using my existing block and '47' heads. Pontiac Firebird Parts - Crankshaft Pulleys. The Olds 403 was use for the "big engine" production once the 400 engines were gone (all 400s were 4 speed, all 403s were autos), and for 1980 there were no more "big engines". Important news for our customers: RPM International does not have an Ebay store nor do we sell anything online besides on our site. PONTIAC 400 w/ 2. We go out of our way to carry every major line of Pontiac crankshafts, so that whether you are looking for a cheap Pontiac engine crankshaft or a performance crankshaft or anything in between, we've got it for you. pontiac 455 nitride crank 3. PONTIAC,Pontiac 400/428/455 Flat Top - JE Pistons Pontiac 400/428/455 Flat Top. PONTIAC 400-455 COMPETITION ROTATING ASSEMBLIES. Classic Industries offers a wide selection of Engine Components for your Pontiac Firebird. Since that time, we have learned more about Pontiac cams, and a comprehensive article on the subject was prepared for the Fall, ’94 issue of “Pontiac Enthusiast” magazine. all pontiac cranks from 326 thru 455 used the same flywheel bolt spacing and are interchangeable. In 1967, the 400 replaced the 389 as the standard engine and the 428 replaced the 421. 1-1968 block, 1- 69 blocks YD code C039 Pontiac 400 blocks $200 ea. I sold my firebird, but I still have the crankshaft that came from the motor. 400 Pontiac Crate Engine 450 HP With Aluminum Heads Starting at $12,345. They introduced a cast crankshaft for 400 engines with a 4. Question is,the crank out of the old 400 is 20/20 I have been saving the orginal 350 that I have saved since a rebuild went bad because I over rev'd and spun a rod bearing that toasted the crank. 250" Stroke Part Number: 356-104004250. We've done quite extensive testing on the dyno and track with these cranks and have worked very well. The crank is not interference fit, but will have a large woodruff key to positively locate the crank gear. The torsional property of a forging allows it to bend or flex from end to end more easily than a cast crank. 190-4203 Pontiac 400, w/Edelbrock aluminum heads Head Stud Kit. If you want you engine to really "crank" out some serious power, drop in a performance crankshaft from Speedway Motors! We carry only the best brands like Callies and Scat in a wide range of strokes for whatever application you're working on. Here are the new 4340 non-twist forged crankshafts from Ohio, Eagle and Scat. Pontiac 400 Stroker Crank We have an assortment of Pontiac 400 crankshaft models to choose from and new parts are constantly under development for addition to the Molnar Technologies line of premium forged steel 400 Pontiac crankshaft offerings. 5906"ID x 0. 1967-75 Pontiac V8 engine block illustrated parts break down illustrates individual part placement in the assembly. 6 L) 400 V8 was a bored-out Pontiac 389 with 4. all large journal crank shafts have a 2 3/4″ flywheel flange. Together with the casting code and casting date you can determine what the engine is. Since that time, we have learned more about Pontiac cams, and a comprehensive article on the subject was prepared for the Fall, ’94 issue of “Pontiac Enthusiast” magazine. Here we have a Pontiac 400ci engine I just finished for a customer. The torsional property of a forging allows it to bend or flex from end to end more easily than a cast crank. The Racer's Company. scat crankshafts offers a complete line-up of crankshafts from stock replacement to custom billet, i-beam and h-beam connecting rods and complete rotating assemblies for chevy, chevy ls, ford, ford modular, ford vintage, chrysler, modern hemi, pontiac and sport compact. Trying to start it the engine cranks over very fast and has no compression. com online experience. The engine, once done, will be going in the customer's 1965 GTO. Again, VERY rare.
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