Originally Posted by Yagermeister
With the exception of rods and pistons along with heads that flow only marginally better, our GT engines with a Boss intake are NEARLY identical to that of a Boss engine. The Boss 302S and 302R teams spin it that high for hours on end. For a quick 10-11 seconds we are good. Those race teams must not know what they are doing spinning it that high  |
Rods and pistons can have a big affect on Rpms espeically if the weight is different.