posted September 09, 2005 01:38 PM
Hi all I've been away a couple of seasons & was just wondering what you think are the two biggest improvements made to increase performance/reliability of a big/small block Chevy which is normaly aspirated running on gas? Cheers for any input in advance.
x13jc Dirt Freak
Total posts: 390
posted September 09, 2005 06:24 PM
Probably the biggest improvement would be cylinder heads and cam. You can do a lot with improving the flow of heads and cams make a huge difference. You need to have a cam designed for your specifiec engine. The main things to focus on is valve size, bore and stroke, rpm range, and static compression ratio. Another thing that is important is carburation. With the cam, you can make a huge improvement on an otherwise stock engine.