2024 Building a 6800 rpm pontiac 400

Building a 6800 rpm pontiac 400

Author: rpww

August undefined, 2024

WebMar 10, 2011 · Joined Jun 19, 2010. 4,236 Posts. #5 · Mar 9, 2011. Stock rods. Stock Pontiac rods should never be used unless they are reconditioned with ARP rod bolts. However, stock Pontiac rods thatare reconditioed with ARP bolts will be fine in a daily driver with "occasional" bursts of speed up to 5500 RPM. WebAug 1, 2007 · Follow along as noted Chevrolet engine builder Joe Sherman shows us how anyone can screw one of these fire-breathers together with off-the-shelf-parts. In fact, Joe built two stroker small-block Fords – the first a pump gas street/strip engine that produced 530 hp on pump gas, the other, a 357 race motor that cranked out 751 hp with a single ...

Dyno Testing Intake Manifolds and Carburetors - MotorTrend

WebMay 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 … WebAug 13, 2010 · This should be a good torque motor. I have (5) 400 chevy blocks now. Collect them. I did build a de-stroked 400 to 377 using a 350 crank, 5.7 rods and sttock 400 pistons with 193 truck swirl port heads. Cam was a comp cams 282. this was a screamer, it had sio much midrange 2500-5000 rpm whati thought it would detroy the rest of the drive … micklethwait \u0026 wooldridge

Pontiac GTO 400 Ram Air II Engine - Engine Builder Magazine

WebNov 13, 2024 · The Edelbrock cylinder heads have Ram Air exhaust IV ports—so you should use this set of Hedman headers. Keep your … WebPontiac 400 Build. The Pontiac 400 cubic inch motor (made between 1967 and 1979) is still a great platform for a high performance daily driver. The HorsePower guys prove that … WebNov 26, 2010 · Stick with the 400. Yes, you can use a 421 crank (4.00" stroke) in a 400 and make a 440 or a 455 crank (4.210" stroke) and make a 462, but the 400 is hard to beat and is a very stout performer. A 440 or a 455 will make more torque, but requires clearancing the oil pan rails with a die grinder and custom pistons. the one and only jesus

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

WebMay 20, 2010 · 396 Posts. #3 · May 16, 2010. def 383 stroker, 400 poncho's can get expensive fast, sbc on the other hand, they are getting cheaper to build, plus on the other "GOOD" hand the 383 can put out more for less cash, i currently started to build my first 550-600hp 383, do some research on the 383 and you will be ready to go!! thats my … WebMay 14, 2007 · See all 24 photos The 468 Pontiac began life as a passenger car 400. A 0.070 overbore and a 4.25-in stroker crank brought the cubes, stout induction pieces, and trick ported and chamber-modded ... the one and only ivan real lifeWebMar 5, 2009 · Horsepower figures for the 403 were 185@3600 rpm, good for a 5 hp bump over the Pontiac 400, yet netted five less Lb/ft of torque (320) at a peakier 2200 rpm. The lower torque was mostly due to a larger bore and smaller stroke than the 400 (4.351 x 3.385 {403} vs. 4.12 x 3.75 {400}). the one and only rating

"WebNov 1, 2008 · See all 19 photos Joe Sherman Racing Engine's cast crank features the 4.210-inch stroke of a 455 and the 3.00-inch mains to fit the 400 block. Installing a 455 spec crank in a 3.00-inch main... " - Building a 6800 rpm pontiac 400

Building a 6800 rpm pontiac 400

HOW HIGH CAN I REV THIS 400 PONTIAC? - Don Terrill’s Speed-Talk

WebNov 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 rebuildable 455 would also work and save you some cash. At this level, connecting rods like Eagle Specialties H-Beam rods would be useful. To complement the greater … WebJan 18, 2024 · 8000 rpm Pontiac Engine Build The Plan! Part 1 13,135 views Jan 18, 2024 197 Dislike Share Save Hansen Racing 9.28K subscribers the engine we gonna get next year a little plan, …

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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 anything lower than 8.5:1 you'll... 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 …

WebMar 9, 2009 · About to start the local race season in my 76 pontiac firebird. Best figures 12.52 @ 108.2 1.71 60ft 3900LBS!! 3900+ stall 10 " converter turbo 350, 275x60x15 ET … WebDec 1, 2011 · Larger engines tend to pull power downward, so a particular manifold that may produce greatest average power from 3,000 to 6,000 rpm on a 400, may work best between 2,500 and 5,500 on a 455.

WebJan 1, 2024 · Building a Pontiac 400 engine to its absolute peak performance level of 400 horsepower is a task that requires skill, knowledge, and patience. It is not something that can be achieved overnight, and it is certainly not something that can be done without the right parts and expertise. WebFeb 1, 2016 · One of my project cars is a 67 Lemans with a pump gas 400 on nitrous. It would run high 12s on motor and mid 11s on a 100 shot. It made 400 HP on motor with …

WebJul 5, 2024 · The vast majority of RPM’s Pontiac engine builds utilize a set of aftermarket aluminum heads. “This specific motor, because of the Ram Air II heads, has slightly different cam specs than our usual package to match the flow of the heads,” he says. “Also, the compression is lower than our aluminum headed motors at 9.75:1 instead of 10.5:1.

WebSep 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 … micklers landing beach surfingWebNov 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 rebuildable 455 would also work and save … the one and only ivan vocabulary micklethwaite grove wetherbyWebMar 16, 2010 · 400; “Wilder camshaft – 4 bolt mains – streamline exhaust manifolds – showed 6800 RPM – ran 14.6/99.55 – was a challenge (to drive) – no power at low … the one and only kdrWebFeb 1, 2016 · One of my project cars is a 67 Lemans with a pump gas 400 on nitrous. It would run high 12s on motor and mid 11s on a 100 shot. It made 400 HP on motor with ported iron heads and forged pistons/rods and a stock "N" crank. At 9.25 compression! It cost about $5K to build in 2004. I've got it blown apart now for upgrades. the one and only genuine family bandWebSep 11, 2003 · Its 4 speed with a 12 bolt chevy rear. 4.88 gears and an aluminum 12lb flywheel, 9in slicks. The motor is a 67 428 40 0ver balanced with stock rods ( beams ground arp bolts, and resized to the low spec.). Proper resizing is critical. It has 670 heads and a Doug Nash intake hei distributor 850 dp holley. mickleton hills farm chipping campdenWebAug 14, 2006 · Boring past 0.060-inch over for most engines is pushing it, though Toki says the 400 Pontiac usually has enough material to go even farther. But for this build, taking the bores just a little... the one and only portonovi