WebOct 29, 2024 · It is a small block 400 with stock 400 heads, stock low compression pistons, performer intake, Holley spreadbore carburetor, thumper cam, and cheap headers. It runs mid 13 second quarters with a best ever of 13.1. ... If your gonna buy pistons anyway shitcan the short 400 connecting rods and put 5.7" or 6.0" rods in it. lumpy 63, Oct 28, … WebMay 22, 2007 · If you did install 350 heads on a 400, and did not have the steam holes drilled in the heads it will run hot due to hot spots that develop due to the siamesed cylinders in a 400 block.
vortec heads 400 small block Hot Rod Forum
WebMar 29, 2024 · Cylinder Heads for a 400-Equipped Chevy Truck. The Trick Flow 23-degree 195cc intake port heads are a great choice for a street-driven small-block 400 or even a 350. The smaller intake port will generate excellent velocity which will help with throttle response and still make great power. (Image/Summit Racing) WebJun 23, 2024 · As mentioned, the ONLY difference between 350 and 400 heads is the steam holes in the 400 heads. Also, as mentioned, to use 400 heads on a 350 or 327, … bring up microsoft edge
Ask Away! with Jeff Smith: Getting 400+ HP From an Old Small Block Ch…
WebMay 8, 2014 · A head with 180 or 185cc intake runners will work well on a typical 350 Chevy street engine that makes 400 to 450 horsepower. If it’s a 383 stroker, you can probably go with 200cc intake runners. Putting a higher flow head with 220cc runners on a relatively stock 350 would be going in the wrong direction. WebNov 12, 2004 · Pontiac engines aren't large or small block. Externally a 326 is the same as a 455. Put the 400 heads on the 350 and change the cam you should be good to go and save a lot of effort. Then take your time and build the 400 into a monster. WebDec 28, 2024 · After installation of the Weiand 8-71 supercharger, the boosted power output jumped to 819 horsepower and 667 lb-ft of torque. The Weiand 8-71 perched on top of the 400-inch small block was sporting a pair of Holley 750 blower carbs, and supplied a peak boost reading of 11.7 psi. You can have your cake and eat it too. bring up microsoft outlook email