I have a 69 RR 383 .30 over purple cam stock exhaust manifolds 906 heads. It has a worn out 1406 Edlebrock I believe too small not great throttle response and poor performance. I am looking at a Holley 625 cfm Street Demon or 750 cfm Street Demon. The 625 should be plenty but I have read many...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.