how do you have your holley 390s set up? jet size and all that? gonna be rebuilding mine (just can't get it tuned right), any suggestions? its on a 250 w/clifford intake and headers, 194 head, and HEI. other than that its stock. thanks
i had to jet mine up with 55's to get mine running right, i have an offy intake cliifrd headers, 250 head with 60 milled off an 1.94" intake valve with a stock cam.
