Pontiac 400 build recipes

WebDec 13, 2010 · While the '68 350 H.O. used small-valve No. 18 cylinder heads, the '69 350 H.O. is essentially a small Ram Air III and used the same large-valve No. 48 heads and comparative camshaft duration ... WebSep 8, 2016 · The 403 eventually replaced all the larger Pontiac, Buick, and Olds V-8’s and became GM’s defacto ‘big block’, much as the aforementioned Ford 400 had become. Pretty common in B, C, and …

Chevy 350 400 Hp Build Recipes

WebJan 3, 2008 · The results were 556 lb-ft of torque and 496.7 hp. Close, but not quite there. A second 1-inch spacer got us there. This time around, the torque peaked at 565 at 4,300 rpm and the horsepower was ... WebMar 29, 2024 · Preparation: SD Performance 250-cfm CNC-Ported Head package. Combustion Chamber Volume: Verify original chamber volume; pistons should be matched to chamber size to achieve 9.25 to 9.5:1 … shark news today https://redwagonbaby.com

Pontiac 400 build Hot Rod Forum

WebApr 4, 2024 · The Pontiac 400 is a large-bore, small-stroke engine that was used from 1967 to 1979 in Pontiac vehicles. It has a displacement of 400 cubic inches (6.6 liters). The Pontiac 455 is a larger engine, used from 1970 to 1976, with a displacement of 455 cubic inches (7.5 liters). Both engines use the same type of block, however, the bore and stroke ... WebApr 6, 2024 · Over the 400 V8’s run, it was used in some of the most iconic Pontiac models, and by extension some of the most iconic American muscle cars ever built. This guide will cover the Pontiac 400 V8 engine’s history, specs, common problems, and performance upgrades. Check out our Pontiac 389 Engine Guide for more Poncho V8 content. WebJan 1, 2024 · The Pontiac 400 engine was a fierce competitor in the 1970s. The most powerful version, the Ram Air IV, produced an impressive 370 horsepower, making it one of the most powerful engines available at the time. The engine was featured on the Pontiac GTO, making it a true muscle car. For today, the Pontiac 400 engine has been upgraded to … shark nesting areas near florida

Pontiac 400 Engine Guide - Muscle Car Club

Category:David and Goliath Part 2.... Building the 400 vs. a Stroker

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Pontiac 400 build recipes

Engine Combinations - Butler Performance

WebNov 13, 2024 · The Edelbrock cylinder heads have Ram Air exhaust IV ports—so you should use this set of Hedman headers. Keep your … WebBuilding budget hot rods can be a controversial topic. Looking at what's available in the Pontiac market we see a massive need for budget Pontiac 400 builds ...

Pontiac 400 build recipes

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WebThese are engine build guides and videos or engine build tips we have come across while researching articles. Please contact us to submit an engine build or specs. Engine Build Recipe List. Scroll left or right to see more details. WebMay 9, 2024 · Not gonna do a search to find out. If you have a 481988 or XX 481988 block, then a 4.21 or 4.25 stroker assembly would be the easiest way to build a 400hp very …

WebDec 8, 2024 · When building a Pontiac 400 or really; any Pontiac engine on the cheap you need to look at few things; namely the camshaft and exhaust. If you're running any... WebMay 3, 2014 · A 500hp 400 is not a difficult build. Just remember, volumetric efficiency and compression are instrumental at building TORQUE. Don't shortchange either of them …

WebDec 1, 2009 · Turbo Pontiac 400 Build - Ludicrous Pontiac Power Ken Crocie Built A 489ci Stroker Pontiac Pressurized With A Single Turbo And A Q-Jet That Is A Recipe For … WebJan 1, 2024 · The Pontiac 400 engine was a fierce competitor in the 1970s. The most powerful version, the Ram Air IV, produced an impressive 370 horsepower, making it one …

WebDec 1, 2010 · We follow along as Andy Mitchell of Hardcore Racing builds a 650hp Pontiac 400 Poncho engine using a Scat 4340 steel crank, RPM Maxx H-beam rods, JE Pistons, …

WebMar 19, 2013 · The rev potential is really good when the heads are done correctly, and 400 has the short stroke to back it up. Many happy customers with 406s that "peak" around 6,600-6,800. (Yes, you CAN rev a Pontiac, IF everything is "right") the stock rods GOTTA go. For the higher revs, use 6.8" BBC rods (we use Eagle). shark newcastleWebNov 22, 2016 · Build a iron head Pontiac at around 9 to 9.5 and it can run on pump gas easy, dont use short duration cams for torque with closed chamber heads. ALWAYS use … shark net worth 2022WebSep 2, 2008 · The major components of the build up include a '67 GTO 400 block previously freshened up by Kevin. It was punched 0.035-over and stuffed with a 4.210-inch stroke … shark network sniffer onlineWebMay 9, 2024 · Not gonna do a search to find out. If you have a 481988 or XX 481988 block, then a 4.21 or 4.25 stroker assembly would be the easiest way to build a 400hp very steetable pump gas engine. With a long stroke build you won't need a big cam to make 400hp. The Summit 2802 is probably enuff. shark nets queenslandWebMay 6, 2024 · The result is a pump-gas-friendly 9.9:1 (nominal) compression ratio when paired with an 87-cc combustion chamber. And, if you’re looking for a bit more squeeze, … shark nets western australiaWebApr 19, 2016 · Mike’s 2009 G8 is mild bolt-on car and has Kooks long-tube headers; a Solo, Mach Shorty cat-back exhaust system; a Vararam cold-air intake; and a Pat G tune. The result is an impressive 370 horsepower at … shark newspaper craftWebNov 12, 2024 · A 455 crank with the main journals ground down .25 inches to 400 main size, boring the block .030″ over, and some 455 pistons will get you up to 455 cubic inches. A … shark network analyzer