Old school guy here and I have a question about heads.
I have a set of 1971 351W heads that have been ported on exhaust side,
3-angle valve job, screw in studs, guide plates, with trick flow double springs,
locks, retainers, valve seals. Valve size is 1.84 intake an 1.60 exhaust.
Will these heads flow as well as newer GT-40 heads...
Thanks,
Ed (ThunderStruck) Smith
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