3 angle valve job? thats old man. Try a 5 angle. As far as your setup pdiggs is right. Too many variables. Like for instance who will port the head? How reputable are they? Who will tune it? Track conditions? ambient temp? slicks? drag radials? stock compression? good driver?
I would say low 13's maybe high 12's if u are lucky.
I know ITR engines with pretty much every mod u can think of for all motor (stage 6 DPR port job, CTR cams, throttle body, IM, I/H/E, cam gears, ect...) makes 200 WHP and runs 12.5's at the track on slicks.
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