Mod and Custom Forum
So my best pass was 13.9. As far as specs, the 289 is .030 over, stock compression (9.3 I think?), Comp cam .512/.512 lift 280/280 duration, Trick Flow Twisted Wedge 170 heads, Performer RPM Air-Gap intake, 570 Holley Street Avenger, and Hooker Comp long tubes. As far as getting the power to...