550 cid bbc 8.5:1, dart 320s that flow 400in/ 300ext cfm (ported), isky rr-730-b (730/727 lft, 282/288, 110 lc, 112 ls), and 8-71 w/2 1150 dom.
my question is where should i start with pullies? the pullies i have are a 43 and a 45 8mm. looking to get about 6-8 psi boost. this is a pump gas motor.
thank you for any info