The world's absolute lowest prices since 1985. 1L 1968, A-Series™ Aluminum Crankshaft Main Bearing Set by Sealed Power®. Steve Petro’s 436-inch “400” produced more than double the horsepower and torque on the Pierce Race Engine’s DTS Dyno than it originally did when Pontiac screwed it together in ’77 for Steve’s Trans Am. com checks with auto manufacturers and their representatives to confirm the accuracy of the data, it makes no guarantee or warranty, either expressed or implied with respect to the data presented here. Sold at 24. 00" stroke crankshaft, Texas Speed & Performance H-Beam 6. 30, 1967's Firebird 400 buyer had the option of ordering the L67 Ram Air package, which ostensibly upped the output to 335hp at 5,200 RPM. Pontiac Factory Cam Specs - by Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules!. 'New' Lightweight SBC Crankshafts An all new forging that moves the moment of inertia outwards, to make a lighter shaft with good harmonics. engine then you will have quite an impressive setup such as a four bolt main engine block and a forged steel crankshaft and connecting rods. 50 to run as fast as I want to safely. *M-400 in lower half of No. (6,554 cc), and 455 cu. The gear box is designed to be able to continuously transfer 400 N·m of torque. pontiac "the gto" 400/366 Below are specifications for a custom-built, performance long block PONTIAC "THE GTO" 400/366 -400 HP with 410 ft lbs torque performance longblock: 400 block bored, honed, decked and align honed. USA Performance Parts. Designed utilizing the latest technology, this product by Fel-Pro features premium quality and will perform better than advertised. 5/27/19 – JEGS Summer Door Car Shootout – I-57 Drag Strip in Benton, Illinois on July 19-21, 2019 See the complete event flyer and website with Ohio Crankshaft cash up for grabs. 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. 1973 Cadillac Notes. 4, aluminum small block engine that was used both in GM cars and trucks. Typically Perkins water pumps are supplied with gasket kits. Over 6,000 Automotive Torque Specs. engine, using the "067" cam on automatics and the 288/302-duration "068" on manuals, both rated at 335hp. 6L/400 Crankshafts and get Free Shipping on Orders Over $99 at Summit Racing! Crankshaft, Pontiac 400 455 Forged 4340 Steel Crankshaft 4. FREE Mopar Swap Meet Forums,Mopar Parts, Mopar Classifieds Tech Forums, Mopar Tools, and much more. 12 bore x 4" stroke with 3. Find PONTIAC 6. I think that the pistons and rods would give out before a steel crank, but if you are in doubt, an aftermarket crank may be cheap insurance versus joining the "I just drove over my crankshaft club". I’m trying to locate some people I used to know; please click here for more details. This is the same year that Pontiac used the HO (High Output) to distinguish their engine from the Oldsmobile Rocket version and the Buick Wildcat engines. Steve can open his TA’s hood and show everyone what looks like a stock 400, yet it can lay waste to his steamroller tires at will. Every attempt has been made to accurately represent the manufacturer's specifications. thiere are two different crank flange diameters. 0L(305CID), 2. 75 stroke, 3. March 29, 2017 by Pontiac DiY Your newly rebuilt engine is just about ready to fire! If everything was assembled correctly, it should start up relatively easily, and the sound of the exhaust pulsations smoothly bellowing out the exhaust is the best reward for your hard work. Call us today at (937) 842-5000 to ask questions or make an offer. CAD-350ATChevy (Also Available with BOP Pattern). Lightweight cranks are all the rage for their ability to let an engine rev quicker. Pontiac Master Engine Rebuild kits and Pontiac engine rebuild kit with quality parts at affordable prices from RPM. The forged crankshaft pictured is the actual 4. Every crankshaft is 100 percent inspected for critical dimensions, and the manufacturing equipment is constantly monitored for tolerance drift and tool degradation. Would I be able to use a 455 crank in the 400 block and the 400 crank in my 350 block? I know Pontiac parts interchange, but this seems a little extreme to me. Over 6,000 Automotive Torque Specs. Other auto makers like, Pontiac, Buick, Plymouth, were all coming out with bigger engines. The Cad Company powered Spectre streamliner is one of 12 elite cars to be certified over 400 MPH, and the only one running gasoline to do so, with a single 472 Cadillac engine. The six made only. Antique Cars Classics Customs Hotrods Leadsleds Roadsters Streetrods Trucks Turbine Car 40 31 Ford 67 Dodge Charger 61 Chrysler Images Specs Pictures Photos. American Motors, Chrysler, Dodge, Plymouth, Eagle. Firing Order. Firing Order. 500 Horsepower is easy with a 400 pontiac as well, but you definitely need at least 240 cfm of air flow outa the heads, requires extensive porting or aftermarket heads and intake. Pre-1964 cranks must be machined to fit Turbo Hydramatic torque converters. 1999 Pontiac Bonneville 3800, Started Misfiring with no initial check engine light, Misfired at idle speeds such as backing out my drive way runs ok at highway speeds with plenty of power. 301s and 265s are dimensionally the same as any other Pontiac except for height. A 428 engine shares the 4. Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455 Performance level 5 - Ultra-Action - Large cid camshaft (455 cid or bigger). DCI 400-455 is DCI's most popular crate engine. These prices are current. Next comes the crankshaft. Pontiac One-Piece Oil Pan Gasket. Without it, the crankshaft seal wouldn't be able to handle all of that oil, and eventually, might let some of it leak out. Before selecting a piston, the desired compression height must be known. 6 litre capacity. pontiac "the gto" 400/366 Below are specifications for a custom-built, performance long block PONTIAC "THE GTO" 400/366 -400 HP with 410 ft lbs torque performance longblock: 400 block bored, honed, decked and align honed. 00" journal crank. Edmunds has detailed price information for the Used 1990 Pontiac Bonneville Sedan. Find our best fitting crankshaft kits for your vehicle and enjoy free next day delivery or same day pickup at a store near you!. The traditional Pontiac V-8 engine's short block has some unique characteristics. New RV camshaft with lifters, and double roller timing set. Also, the "SUPER FLAME 409" air cleaner decal for all 1963, 1964, 1965 Canadian Pontiac 409 engines is now available. The GM Ecotec engine, also known by its codename L850, is a family of all-aluminium inline-four engines, displacing between 1. 030-over 400 block, you end up with a standard bore 455 on 3-inch mains. thiere are two different crank flange diameters. 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. For complete crankshaft bearing specs CLICK HERE. Harmonic Balancer to Crankshaft 200 Minimum Fan Driving Pulley to Harmonic Balancer 23 Flywheel to Crankshaft (Auto. NOTES: (a) - The first small block, the "265" was built from 1955 through 1957. * This crankshaft kit comes with Crankshaft, Rod Bearings, Main Bearings, and (Thrust Bearing when required). 2 Litre FIA Legal, aluminim cylinder block, CP forged pistons, Steel lightweight narrow journal crankshaft with standard journals, steel I section con rods, steel jackshaft, steel 12 bolt lightweight flywheel, AP twin plate paddle clutch, dry sump pump and pan, BDG cylinder head, never had a skim, 1. 21 and the dumb 4. Also, remanufactured engines and rebuilt engines of another color could have been installed in your vehicle during its history. 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. We have received numerous complaints about many of you not receiving what you purchased online or receiving. It is the final responsibility of the engine. The big-block engines initially used a forged crankshaft with a stroke of 3. FREE Shipping by Amazon. Crankshaft Journal Diamter Bearing Description MAM # VW # Bearing 1,2,3, Bearing 4 Rod Bearing Size Connecting Rod Bearing Set, STD Crank 316005-T111 2. Find great deals on eBay for Pontiac 400 Camshaft in Camshafts, Lifters & Parts. Pontiac 400-455 Questions and answers. Find high performance engine crankshafts for sale at JEGS. 750-inch main journal, which makes it a different crank than you find in the 351M, which has the 400's larger 3. To make the rods even stronger, they are shot peened which also increases fatigue life. Find Pontiac 400 in Engine & Engine Parts | Find a car engine for sale locally in Ontario : gas and diesel engines, alternators, carburetors, crankshafts and more and make your car more powerful. Steve Petro’s 436-inch “400” produced more than double the horsepower and torque on the Pierce Race Engine’s DTS Dyno than it originally did when Pontiac screwed it together in ’77 for Steve’s Trans Am. have fun buddy a 66 gto is my favorite pontiac. We offer a plethora of Pontiac 400 Crankshaft for your vehicle needs. (Super Duty) option. The 16V tightening sequence is slightly different than the sequence for the 8V heads. I think they were watching. 10"), but with a crank stroke of 3. Current Rebates & Specials. Better put, this article and the ones to follow will attempt to validate the positions and points made in our 351M/400 reference article. Concentricity and surface finish are the two most desirable features in a high performance crankshaft journal. Stay informed with the latest news, product releases, and specials. GM Engine Torque Specifications and Sequences. fastest Pontaics ever is committed to providing accurate and unbiased reporting of the quickest and fastest Pontiac race cars on the planet! We have an extreme passion for anything traditional Pontiac, most especially FAST Pontiacs. Feeding the fuel is a Paxton electtric pump with 3/8" lines. ARP General Torque recommendations. The L76 was available in the Pontiac G8 GT from 2007-09. The torsional property of a forging allows it to bend or flex from end to end more easily than a cast crank. We ship North,West,South and East to provide our remanufactured engines to the world. Install oil pump, windage tray, and oil pan. 060" MINIMUM. 0") the compression height of the 351M is much higher than the 400. 06 bore x 4" stroke with 3. Pontiac 461 custom built crate engine 461 Pontiac Crate Engine 475 HP With Aluminum Heads He took a 455 crankshaft and machined it to fit in a 400 block. 21 stroke crank with 3. The world's absolute lowest prices since 1985. ^^ look at the specs on this. Distinguishing a Pontiac Engine Block Here's some helpful information on how to identify that block you're examining. 1973 Cadillac Notes. SCAT Lightweight Crankshaft - Pontiac 400 Based V8 Image may be a representation of product. Knowing the symptoms of bad crankshaft sensor is important since a bad crankshaft sensor is the first sign of engine failure. I’m trying to locate some people I used to know; please click here for more details. Based on production block and heads, this combination provides plenty of power with quality bottom. 265, 301, 307*, 326, 350, 389, 400, 421, 428, 455. If you are not sure which rear main seal is the correct one from using this page, go to the engine gaskets page and try from that direction. 21 stroke with 3. 030 over 350. It was the 360hp. Doesn't matter what you call it—GT-R or, as its fan lovingly refer to it, Godzilla—Nissan's range topper is a supercar-stomping, high-tech dynamo. all pontiac cranks from 326 thru 455 used the same flywheel bolt spacing and are interchangeable. Barnyard, Roadside, & Junkyard Finds. 5 psi recommended fuel: pump. Look at bore, stroke , rod length etc. What's the correct spark plug gap? How tight should that nut be? What's the firing order again? Or are you simply looking for that bit of technical information that you may be lacking?. Here at Advance Auto Parts, we work with only top reliable Engine Crankshaft Kit product and part brands so you can shop with complete confidence. Pontiac made it easy to know what is sitting between the fenders of your Pontiac or on the ground at the local salvage yard. Pontiac GTO, Lemans, Tempest, Firebird, Trans am, Bonneville, Grand Prix, Catalina, GTO Parts, restoration, reproduction parts, ram air, engine, hinges, bumpers. Do not depend on the engine color to verify or identify your engine. SO its up to yuo swap a 455 or 400 and last but not least bore the 350 tio a 383 stroker. Here at MOLNAR TECHNOLOGIES, our engineering staff has over 35 years in the field of designing, engineering and manufacturing the best connecting rods and crankshafts in the racing industry. Pontiac V-8 Camshafts Sorted by Type and Intake Duration Lftr H = Hydraulic, S = Solid (mechanical), HR = Hydraulic Roller, SR = Solid (mechanical) Roller CMC = Camshaft Machine Company. Pre-1964 cranks must be machined to fit Turbo Hydramatic torque converters. The Pontiac specifications for both duration and lobe placement should be used as the starting point for cam selections in both street and street/strip cars. Search Car Torque Specifications by Engine or Model. Live help available 7:00 am – 4:pm CST. crankshaft issues would likely prevent you from safely turning the. * Please enter your crank's casting / forging number in the Additional Information box when checking out. ARP General Torque recommendations. 6L-400ci-V8 Engine Torque Specs. Okay so the stock bore and stroke for a Pontiac 400 is 4. A bore of 4. Pontiac began as a "companion" to the Oakland division of the General Motors line of automobiles in 1926. Timing Chain Cover Crankshaft Seal Sbc 283 327 350 383 400. 50: 1956: 317: 3. Once it seats against the crankshaft, install the harmonic balancer bolt and washer. To determine the compression, three things about the engine must first be known: block height, connecting rod length and crankshaft stroke length. 1969 Pontiac Firebird 400: The Pontiac Firebird 400 is a rear wheel drive automobile, with the engine placed in the front, and a 2 door coupé bodyshell. Remove the old engine accessories and tin parts such as exhaust manifold, oil pan and timing belt cover from the original Pontiac block that you want to replace on your Pontiac GTO car or truck. 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. While an eight-speed dual-clutch automatic (called PDK) is the only. This is a process that synchronizes the camshaft with the crankshaft. Chevy LS2 Car Engine Specs (VIN U) Help Center. 1980 z28 camaro done from the ground up, clean ride no rust at all newer 350 punched 60 over fat cam full true duel 3” exhaust msd all around new battery new water pump car has been completely gone through two months ago, new ladder bars edelbrock 850 thunder series carb, Cash is king!!!! 9,999$ if you can find a better one and wanna tell me about it save your time and go buy that one this. Engine BlockThe rear main cap bolt of the crankshaft on this engine required 120 foot-lbs. Torque specs for 71-73. but 455 has larger main bearings than the 400. Stay informed with the latest news, product releases, and specials. 400 inlet valve 1. Date Codes: J23= October 2,1963 D083= April 8, 1973 (or 1963 !!) The letter is the month, followed by the day (one or 2 digits) and the last number is the year. Small and Big blocks refer to Chevy engines only. Rebuilt 400 stock internals- comp cam something like (NOT EXACTLY!!) 246-269 with. 1 Certified and are double MIG/TIG welded for additional strength and lasting precision pass after pass. Model year production hit a record 304,839 Cadillacs. Seals are made of Viton and are far superior to the factory rope seal. 400 Pontiac Crate Engine 450 HP With Aluminum Heads Starting at $12,345. By now, you will have the specs on the crankshaft mains and rods, the journals for both, and the specs on the bearings. In 1977 Pontiac offered the T/A 6. 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. 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. The 421, 428 and 455 had a larger journal crankshaft, and these are the only engines that can even be remotely identified as a big block, but that is a misnomer. You can tell that from my other documentation pages on this site. At the front of the engine there is a seal that designed to control oil. Pontiac typically changed engine sizes by modifying the internal workings instead of the outward size, so many of the engines appear identical, though they may have vastly different specifications. 25" Viton ® Rear Main Seal. Custom built Pontiac 400 crate engine. 46 with no mods, stock '69 intake manifold, Summit headers. Pontiac 400 2 bar carb: 45S -. of torque to attach. High quality unit. There are three basic terms often used when speaking of spark advance initial timing, mechanical advance, and vacuum advance. Thanks to Eddie Hostler and Hemi Andersen, and the Chrysler Engines book. Pontiac 400 Pistons by Icon. After that, generic G. 25" main crank journal. 21 stroke crank with 3. 1955-1963 Cadillac Engine to GM V8 Automatic. If you are not sure which rear main seal is the correct one from using this page, go to the engine gaskets page and try from that direction. Engine - Crankshaft. Pontiac Firebird 4. 1968 PONTIAC FIREBIRD CONVERTIBLE, with a RARE 400 V 8, 4 speed manual transmission, fresh paint, new top, fresh. Premiering in the 1967 Pontiac GTO/Firebird, the 400 cubic-inch RA-I produced 360 horsepower using a large camshaft, a bespoke intake and cast-iron exhaust headers along with unique cylinder heads. To read about the L76 truck engine specifically, check out L76 Truck Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More. I just watched the HP TV show. 200 exhaust valve, 10mm. I think they were watching. High performance Pontiac 400 pistons are premium quality forged pistons that are available at a price that does not break the bank. This picture shows the only area that normally needs to be clearanced to put either a 4. Small Block Chevy Crankshafts: The 400 engines that were made from 1970 to ’80 used larger diameter crank main journals (2. Pontiac had had an innovative overhead-cam six in the late sixties, but it was canceled after 1969, leaving a big 250 cu. "When I build up a 455 engine, I use the original block and crankshaft, because that Pontiac crank is the best that was ever made," he said. Or maybe it was just a crank and connecting rods, can't really remember. MINI Crankshaft Identification This list should cover any forging numbers you can find on any Mini A Series or A + crankshaft, from a 1959 thin tail 850cc to the 1275 MPi 2000, we have included various tuning crankshafts including the Turbo and of course the ultimate Mini Cooper S ones. 00 inch stroke. Finally someone made a 4" stroke aftermarket crank to add to the 4. So just use the 400 crank. I double-check and research ( I thought) just about everything. Over 1,200 Crankshafts In Stock. For complete crankshaft bearing specs CLICK HERE. As engine speed increases, ignition must be initiated at an earlier crankshaft angle (before top dead center—BTDC) for peak pressure to occur within the desired ATDC crankshaft angle. NOTES: (a) - The first small block, the "265" was built from 1955 through 1957. Anyway, I wasn't happy with it at. 0L V8 Vortec L96 is an engine produced by General Motors for use in its full-size heavy duty (HD) pickup trucks, vans, and SUVs. 6L/400 Camshaft Kits and get Free Shipping on Orders Over $99 at Summit Racing!. Shop with us at wholesale prices and get free shipping over $50. Home | Company Information | Contact Us | Trademarks and Legal | Mobile Site Our site is best viewed with the latest. MINI Crankshaft Identification This list should cover any forging numbers you can find on any Mini A Series or A + crankshaft, from a 1959 thin tail 850cc to the 1275 MPi 2000, we have included various tuning crankshafts including the Turbo and of course the ultimate Mini Cooper S ones. When 1970 rolled around, Pontiac offered their largest displacement in the company's history. Harmonic Balancer Torque Specs Dorman # Applications Torque Spec 594-001 1990-88 3. 1968 Pontiac Firebird 400: The Firebird 400 is a car from Pontiac, with rear wheel drive, a front mounted engine and a 2 door coupé body style. Based on production block and heads, this combination provides plenty of power with quality bottom. Although New-Cars. The engine block is race prepped with torque plate honed cylinder bores, square decked block and align honed main housings for impro. Mechanically similar, General Motors' LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got some LS love. The B Engines: 350, 361, 383, and 400. The L76—like its LS2 sibling—is a 6. All our online auto parts, from headlights to side-view mirrors, and shocks and struts, are made of the highest quality materials and rigorously tested for longevity, direct fit, and function. The following information has been directly complied from original Buick service manuals for the respective year of vehicle manufacture. Subthread (Read 153651 times) Ohio Crankshaft, SD Performance, and. I'm trying to locate some people I used to know; please click here for more details. Thrust Bearing Location #3 Main. Ames Performance Tri-Power Pontiac Nationals. 3780"OD x 0. The Clevite 77 bearing is good enough for any power level you can possibly build. The 400 automatics perform well with the 068 and 1. 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. Pontiac V-8 crankshaft part numbers and specifications 1955-1981. 320 at std so that means it cannot be bored as large as a 400. GTO RAM AIR III THE JUDGE. Edmunds has detailed price information for the Used 1990 Pontiac Bonneville Sedan. INNOVA’s comprehensive diagnostic tool line offers the most powerful, affordable and simplest method to access today’s complex On Board Diagnostic (OBD) systems. The 403 fuel pump was on the other side so Pontiac wrapped the fuel line around the pan. 2, while the 428 crank uses connecting rods with traditional Pontiac dimensions. The 301 was relatively light, but GM went a little too far and the engine earned a reputation for poor durability. #1 Maintenance FREE Serpentine Kits,Pulley & Brackets, Billet AC, Rods, Brackets and Accessories for American car models. Ideally, I like to run. The 400-455 is pump gas friendly for the mild daily driver. PONTIAC,Pontiac 400/428/455 Flat Top - JE Pistons Pontiac 400/428/455 Flat 4032 low expansion high silicon aluminum alloy heat treated to SRP specifications. Of course swapping a 400 is nice to but you cannot bore a 350 cc inot a 400 cc motor its not gona happen. Installation Notes: Theses instructions are written for part numbers RMS01 & RMS02 for Pontiac. 750-inch main journal, which makes it a different crank than you find in the 351M, which has the 400's larger 3. me and my buddy Big Block build a 455 with 6X heads, Magnum 305 cam, forged pistons, factory crank & rods, high rise intake Holley 850, 400 turbo, 12 bolt 4:11, 71 LeMans ran 10. Mechanically similar, General Motors' LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got some LS love. 25 inch stroke forging and was installed in the MR-1 block it is sitting next to for testing. i gotta 62 cat with a 389. These prices are current. 4 motor - Answered by a verified Pontiac Mechanic. Horsepower: Cubic Inches: Trans: Code: Compression: Cam: Heads: Carb: Year: 215: 389: M: 02B: 8. The torsional property of a forging allows it to bend or flex from end to end more easily than a cast crank. Diagnostic procedures for the check engine, service engine soon light with trouble code descriptions and test procedures. ALL Pontiac engines from 326-455 are the same size externally. Pontiac engines were last produced and used in 1981. CID: Contents: Bore size & Cart: 462-469 cid: Eagle cast 4. 060" MINIMUM. The Pontiac 400 has a bore of 4. 023 connecting rod side clearances. 010 Crankshaft 316005-T113 2. I'm stunned, and upset. Crankshaft Journal Diamter Bearing Description MAM # VW # Bearing 1,2,3, Bearing 4 Rod Bearing Size Connecting Rod Bearing Set, STD Crank 316005-T111 2. Replacing the intake manifold gasket should correct these leaks. I built this engine very carefully and tried to make sure I did not make any mistakes. The 403 fuel pump was on the other side so Pontiac wrapped the fuel line around the pan. The L76 was available in the Pontiac G8 GT from 2007-09. Pontiac Engines Blocks Cranks Intakes. Featuring a Pontiac 400 cubic inch block stroked to 455 cubic inches, this authentic Pontiac stroker is perfect for street and strip use. of torque to attach. 121 in bore and 3. 5906"ID x 0. engines were used. The pre-assembly mock-up of an engine to assure its proper fit, clearance, and alignment is essential to any correctly built engine. Crankshaft Material: Cast Iron. Find Pontiac 400 in Engine & Engine Parts | Find a car engine for sale locally in Ontario : gas and diesel engines, alternators, carburetors, crankshafts and more and make your car more powerful. Pontiac Cranks. While these engines were based on the GM Family II engine, the architecture was substantially re-engineered for the new Ecotec application produced since 2000. Blocks were made for each crank main journal size. The engine has been completely re manufactured. Pontiac - 287, 301, 316, 341, 350, 370, 389, 400, 421 & 455 Performance level 5 - Ultra-Action - Large cid camshaft (455 cid or bigger). For your question about the differences, the earlier pre-75 blocks have thicker cylinder walls among other things that make it a stronger block. See "Our Products for 409 Cars" for details. i gotta 62 cat with a 389. Ames Performance Tri-Power Pontiac Nationals. I bought this car as an old stripped out forgotten drag car. We cracked the (low-deck block specific) main webs beating one up in a '79 Grand Prix. Rear Main Cap Engine Oil 120 ft-lbs. NOTES: (a) - The first small block, the "265" was built from 1955 through 1957. 4L In order to be able to post messages on the Pontiac G6. You MUST use 400 pistons with a 400 crankshaft --Even though the 351M and the 400 have the size diameter piston (4. 21 stroke with 3. 6L/400 Camshaft Kits and get Free Shipping on Orders Over $99 at Summit Racing!. 50: 1957: 347. 750-inch main journal, which makes it a different crank than you find in the 351M, which has the 400's larger 3. Rebuilt 400 stock internals- comp cam something like (NOT EXACTLY!!) 246-269 with. Pontiac had had an innovative overhead-cam six in the late sixties, but it was canceled after 1969, leaving a big 250 cu. 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. Description. There is no shortage of Pontiac rods bearings. Stock re manufactured 400 Chevrolet engine. exhaust crankshaft: nodular iron with 4 cross-drilled main bearings and 6 counterweights rods: cast Armasteel, 151mm long pistons: special design, 8. Edelbrock Performance Cylinder heads are manufactured of A356 aluminum and made in the USA for AMC, Buick, Chevy, Chrysler, Ford, Oldsmobile, & Pontiac engines. Just fill out the Order Form or e-mail. I built this engine very carefully and tried to make sure I did not make any mistakes. 050 (specs may change). These cranks require external balancing by using specific vibration dampers, flywheels or flexplates in the 400 motor. Live help available 7:00 am – 4:pm CST. Their rated at 850hp+. 5906"ID x 0. C6 Corvette introduced. Kit comes with forged steel crank (balanced, cross drilled and chamfered), rod bearings, drilled main bearings, DMR-5455 7" billet rods by Oliver, Diamond custom pistons made to your specifications, moly file fit rings for proper seal and less drag, new SFI damper and bolt, new SFI flex-CRANKSHAFTS, RODS, AND GIRDLES DMR-18692 DMR-5022. Engine BlockThe rear main cap bolt of the crankshaft on this engine required 120 foot-lbs. Installing it so it doesn't leak requires one side to be tucked slightly in and the other side sticking slightly out of its cap. Pontiac engines were available in many different displacements, ranging from 265 CID to 455 CID. Steve can open his TA’s hood and show everyone what looks like a stock 400, yet it can lay waste to his steamroller tires at will. Find PONTIAC 6. of torque at 3,400 rpm. 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.