8 84TXGN Member Joined Oct 13, 2003 Jan 6, 2009 #1 I'm going to run a flat tappet cam with about .470-.480 lift. How heavy should my valve springs be?
8 87GN_70GS Active Member Joined May 28, 2001 Jan 6, 2009 #2 The cam supplier should have a recommendation for springs.
O onebadsix Member Joined Dec 6, 2003 Jan 10, 2009 #5 I agree with the comp 980,s theve worked fine for me
J JP112_89 Well-Known Member Joined May 16, 2008 Jan 10, 2009 #6 . I used the comp 980's too. I heard K-Motion work well.
