pontiac 428 engine specsdivinity 2 respec talents

265, 301, 307*, 326, 350, 389, 400, 421, 428, 455, 2786 Hwy 43 North Worlds Fastest REAL Street LEGAL Pontiac 1999 - 2000 - 2001 (sold it), See one of Gregs earliest runs here - CLICK here. As General Motors entered the 1920s, the product ladder started with the price-leading Chevrolet marque, and then progressed upward in price, power, and luxury to Oakland, Oldsmobile, Buick, and ultimately Cadillac. I bought a pair of 6x-4 heads to lower cr and need to set up the rest to make up for the loss of compression.I was told to try a cometic head gasket to lower the cr from Butler and they do have one to get around 9.5 to 1.I am open to any suggestions (other than aluminum heads) as the 6x heads can easily be sold and I just diddnt want to pass them by. It requires a compression ratio of at least 10.25:1. Along with proper parts selection, accurate machining and assembly are also important. Uses OEM block, crank, heads and a 750 cfm Q-jet per NHRA rules. www.PontiacEngines.com. We are ~ www.PontiacEngines.com ~ Tell your friends about us. The discontinuation of Oakland was announced with the onset of the Great Depression in 1931. 1000-2000+HP // please keep these lines on when you copy the source ( Click HERE for page 2- -NEWS- You've been duped. However, the reading obtained using the new SAE net horsepower rating system. without speed governor) In 1921, under new General Manager Fred Hannum, a consistent production schedule was underway and the quality of the cars improved, and Oakland vehicles shared the GM A platform used by Chevrolet. Used a 1968 Firebird 400" engine - Q-jet - 3245 lbs. Another super AutoImagery.com picture. For 1958 the Pontiac V8 engine size increased to 370 (369.4 cubic inches) with a 4.1666 bore and a 3.562 stroke. Unfortunately compared to the Oldsmobiles new overhead valve 303 cubic inches (4.97 L) V8 it was extremely underpowered. Filter out the grating sound of tires rubbing against fenders, the incessant rumble of a half-civilized exhaust system, the jolt of stiff suspension calibrations, and the rattle of components unaccustomed to their new working environment, and you've got a Trans Am with moves to match its racy name. Ask me. ','@'); } document.getElementById('e984ade7e6fc83c8a44a').appendChild(document.createTextNode(e984ade7e6fc83c8a44a())); Copyright 2023 Butler Performance Inc.. All Rights Reserved. ','@'); } document.getElementById('e512dd7793119d77ac26').appendChild(document.createTextNode(e512dd7793119d77ac26())); Butler stock cast, forged, and billet crankshafts from industry leading brands such as Scat, Crower, Eagle, RPM, Ohio, and more. This powerplant features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. Speed Demons too. View the Pontiac Engine Torque Specifications for engine repairs and rebuilds. The 317 with a 4 barrel carburetor was rates as high as 285 HP @ 4800 rpm. Also, a product gap existed between Buick and Cadillac. <<<. NOTE: Some pages on this large site were created years ago and have old dates at the top of the page. you can upgrade to any type of cam you'd like for an additional cost. Arm Nuts, (Non-Adjustable Cylinder Numbering: Distributor Rotation: Rotor Under Cap Spins: Exhaust: 180 cfm at 0.500-in If he doesn't chime in I'd send him a PM - he's a great guy and VERY knowledgeable. Shortcomings from the assembly line are easily rememdied. Dec 19, 2013 Check out Part 2 of our engine build! Bruce@PontiacEngines.com To boost airflow, intake manifold runner tubes have been increased from 1.375 to 1.75 inches in diameter. Reductions in reciprocating weight free up horsepower. A detuned engine developed by Pontiac for NASCAR. These are just a few of our combos Rocker studs: ARP special 34-in bottom 428 Engine Specifications | Classic Cars 428 CJ/R & SCJ/R "Q" 4V 1968-1970 (R=Ram Air) 428 "Q" (1966-68) 428 "P" (1966-70) (P=Police Interceptor engine) 90 degree, Overhead Valves (OHV) 8 cylinder 90 degree, Overhead Valves (OHV) Displacement 428 cu.inches (CID) 428 cu.inches (CID) Maximum torque 440 lbs./ft. Today, the 428 HO engine from the Pontiac 428 is still one of the most sought-after engines for restorations. PontiacEngines.Com. Bore/Stroke: 4.150/4.00-in document.captureEvents(Event.MOUSEDOWN); Left rear wheel is off the ground. For 1970, a bored-and-stroked version of the Pontiac big-block V-8 arrived. It makes it easier to follow along if the emails continue over the course of a few days. It was featured in the July 2002 issue. Copyright 2023 BangShift LLC | Hosted and maintained by. and don't forget, Iwon Indy! Can you say mechanically UNinclined? - Specifications Table Complete specs and photo gallery - click the button below: Examples of the direct competition of Pontiac Grand Prix Hardtop Coupe 428 V-8 4-bbl in 1969: (all performance data from ProfessCars simulation, top speed theor. By 1929, GM sold 163,000 more Pontiacs than Oaklands. need info on a good camshaft(heard you cant beat the 068),stock converter or stall,headers or RA manifold,gearing,timing recommendations,spark plugs,best oil to use,and whatever else your wisdom can offer from experience.If I can get anywhere near 400 horsepower im good.I need too get this thing right this time.Its all in a 71 lemans. REAL Pontiac Power delivered here. Support those who support you.! Free to E-Mail or Fax Orders CA Residents Add Current Sales Tax Some Parts Are 2003 NHRA Winternationals qualified as the quickest GT/DA entry over two other cars. In the late 60s as the muscle car war heated up, the 400 got many specialty performance upgrades. Fact was and the fact is - It was a 350 cubic inch engine thumping a 474 cubic inch stroker engine. always torque The 455 SD featured a reinforced block, forged connecting rods, improved round port cylinder heads, and a special oiling system. No question. Well, gaze upon these numbersa 421ci. Only $535 a set through us when you mention this ad. Weight distribution, f/r:. 57 / 43% The 455s horsepower ratings were lower than the previous years 400. Click Here for "Labor Day 2004 Weekend at Indy". He says the Tri-Power setup modified with the addition of the larger '66 center carb will flow 1,050 cfm. [1], The company was created by Edward Murphy who owned the Pontiac Buggy Company and Alanson Brush who was working as a consultant in Detroit after leaving the Cadillac Motor Company. With three quarters of a tank of gas it weighs 3400 pounds. The 389 was the standard engine on the GTO up to 1966. Rotor That may sound cliche', but it's true. I have the most killer combinations for any V-8 Pontiac. NEWS- You've been duped. [2] Once GM assumed operations of Oakland, production was moved to the factory that manufactured Cartercar in Pontiac, Michigan, another Durant acquisition that was cancelled while the resources were newly utilized, and the Oakland Model 40 was introduced. A decent set of aluminum heads should help with the detonation. HPP decided to follow this exciting exercise; we show you the highlights in this two-part primer. Just type my name into their SEARCH, or look for this photo number. if you want a SUPER STRONG STREETABLE beast that puts up numbers like a drag race engine that can be a daily driver. In 1946 Pontiac began developing a 269 cubic inch (4.41 L) L Head (flat head) V8. Amazingly, achieved by using the same block outer dimensions and configuration. 10K views 4 years ago This 428 will be turning heads and swooning damsels with its almighty 654.9 ft lbs of torque and 630 horses to help it run free on the road. . Also note the 1995 $4450 basic price is now $6400. The Pontiac Bonneville is an automobile built by Pontiac from 1957 until 2005. It had a higher duration Cam, and Cast-iron headers. EDELBROCK HEAD PRICES - Wideports are losers. Fuel injectors have a larger than normal flow capacity. Now if it had 11:1 or higher and needed race gas, then you'd notice. Nitrous, Supercharged, Turbo engines forstreetable combosto 6 second race engines. The new 428 had a 4.12 bore and a 3.25 stroke with a total cubic inch of 426.61. var mymessage = "Sorry, but you can't view the source of this page. Our . When linked to a manual transmission this motor had 7.4:1 compression and 173 brake horsepower. Carrying that idea to the logical extreme, this car also boasts a full Corvette independent rear suspension. The Grand Prix 428 is a rear wheel drive coup passenger car with a front positioned engine, sold by Pontiac. Required fields are marked *. Firing Order. Trucks Invade the 2023 HOT ROD Power TourMega Gallery! offering power and dependability. Bruce's!! Call for pricing that beats everyone else! The original Firefox surfaced three yearts ago with insidiuous black paint, fat footwear, and plenty of horsepower. It has some camshaft in it that is supposed to bleed off some compression.The motor was built and had detonation and tore back down to install it..This is my first Pontiac build.It doesn't ping at low rpm or when the timing is way low just under heavy stress.I found out that 9.5 to 1 is max cr on 93 octane in a Pontiac. Valve seals: U.S. Seal 10.05 Best MPH 130.98 Best sixty foot 1.29. Should be the fastest REAL street driven Pontiac ever. Get information and order from the bottome of this page. Wires: NAPA Belden 7 mm Butler Custom Pontiac Cams- Cams and Cam Kits, Ram Air Series Cam and Cam Kits by Butler, Short Block Builder Kits (Ready to Assemble), Butler/Edelbrock Ported D-Port and RPM/RD Port Cylinder Heads, Edelbrock Out of Box and Butler Built Unported Cylinder Heads, Oil Pans, Dip Sticks, Tubes & Oil Accessories, Drop Base Air Cleaners for Pontiac TA Shakers, Supercharger Pulleys, Tensioners, and Accessories, 1970-1981 Firebird/Trans Am 2nd Gen F-Body, Ridetech Air Ride Control Systems & Accessories. 9.67 @ 136.09 mph. When you Email questions make sure you place "Pontiac question" in the subject line. We're the only Pontiac engine builders with proven incredible results - street and strip. As the most powerful motor in the Pontiac stable (at least on paper), the HO consisted of a high-performance camshaft, special exhaust manifolds, and chrome air cleaner, rocker covers, and oil. Clockwise (*307 rotates Clockwise) These graphics courtesy of Boxwrench.com . He thinks the stock exhaust flow of 180 cfm will suffice for this build. Metallurgy of the critical parts is an area often overlooked, but not by Jim Taylor. The engine power output came in at only 310 HP. I don't know if it can be done, but I'm going to try." Cylinder Numbering: Distributor Rotation: Rotor Under Cap Spins: Counter. Firebird, Grand Prix & CA. Distributor: '61 Delco cast-iron with direct oiling We have reprints available. Pontiac produced 4 versions of the Ram Air V engines. However, the 303 was not available in any production cars. Torque: See Part 2 Indy. And, in 1968 the 326 was also increased to 350. Get ready. ) I can also design and build other makes too. Since the story of this 421 is better told in pictures, follow along as we take you on this exciting journey! Tinsmans 'bird runs 10.70's at 127 mph on 93 octane pump gas and no nitrous. The Ram Air V engines were pure race engines that could be ordered by Pontiac Dealers. Congratulations, man. It is basic physics. However, they slowly worked on the development of a new 287 cubic inch (4.7 L) Overhead valve V8. The name antedates any GM association with an automobile manufacturing facility in Oakland, California, that built Chevrolet vehicles before Chevrolet joined GM called Oakland Assembly. $6400 Complete engine carb to pan, balancer to flexplate, 326", 350", 389" or 400" already broke in and looking great. $4800 includes dyno break-in, power numbers extra, and all of our modern upgrades. Firefox is just one of several studies aimed at probing uncharted realms of the Firebird's performance envelope. A 303 cubic inch (4.97 l) was developed for Tran Am Racing in 1969. The piston weighs 630 grams with the pin versus the stock piston and pin weight of 790 grams. For some of our Westech DYNO results click HERE. Engine torque @ rpm (SAE net):. 395 lb-ft @ 3500 rpm Piston pins: Icon, SAE 1016 to 1022 The Super Duty was developed for use in NASCAR, Stock Car, and Drag Racing. Running here in 1997. In 1956 the displacement increased to 316.6 cubic inches (5.19 l) by increasing the bore to 3.9375. All you need is about 2200 stall, 2.73 to 3.42 gears, I like 3.08 best, and more than 3.55 will just waste the power you'll be making, along with the stall speed. Well, gaze upon these numbersa 421ci Pontiac with Tri-Power carburetion. This page was generated at 06:25 PM. However, the restriction was removed and so Pontiac was able to offer the 455 as an option for GTO and the Firebird. Gusher cooling system (reverse-flow coolant circulation). in EFI STREET/STRIP ENGINE Copyright 2023 Butler Performance Inc.. All Rights Reserved. ), Your wife will never know. Butler Performance Builds More Pontiac Horsepower with More Combinations Than Anyone in the World!!! That made the 400 the top engine in Firebird and GTO for many years as it received a wide range of high-performance cylinder heads and . When asked if the fruits of the Firefox investigation will make production, Tom Goad responds like a Russian diplomat, "Well, they could. Easy-to-cast block construction to keep costs. Because the other salesmen can't. That's a .040 over to fit wore out .030 over blocks or .065 over for wore out .060 over blocks. 3) Specifications Review; For the table with this car full photo gallery and . ", Follow Bruce on Facebook. Recognized now 20 year NHRA announcer - click here for earlier reccognition. Math, not gasoline, makes horsepower under the hood of a Pontiac. Block/Crank combo: '64 four-bolt 421 / '64 OE 4.00-in stroke Valve timing was specifically tailored to this engine and roller-tipped rocker arms have been added. The Pontiac V8 engine remains one of the catalysts that started the muscle car era of the 60s. Casting number: 97770716, '64 date Displacement increased by 30 cubic inches (0.49 l) in 1957. Economy blues means new DEALSFORYOU - Click here for a super ENGINE offer. Check the tables below for detailed outside and inside dimensions, output, fuel economy and performance data. Pontiac Grand Prix 428 HO is an automobile that has a 2 door coup body style with a front positioned engine powering the rear wheels. (Clutch), (Harmonic Primary tube length: approximately 31.00 inches Celebrities welcome! How fast do you want to go. Piston-to-deck height: 0.009-in