Caymon, the reason everyone ports the exhaust side of the heads is because of the thermactor "bump" on the roof of the exhaust port. I never realized how big the damn bump was until I pulled my heads off. From what Ive heard, it really restricts the exhaust flow.
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89 notch-finally not stock!! ported gt40's, ported cobra intake, 65mm tb, 75mm maf, mac cai, lt's,prochamber, fms 1.6 rr, 125 shot.
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