I would definitely say the heads are gonna hold him back from low 13's. From what Ive seen, adding all the bolt ons, even the intake, without touching the heads didnt give that much more power. I just put ported gt40's on my car, along with a cobra intake and a 65mm tb, and even with a bug somewhere and the car running in safe mode at full rich, the car is alot stronger. IMO if you wanna go cheap, dig up some gt40 heads and an explorer intake off a wrecked exlorer and bolt those on. Im not sure of the flow numbers on the intake, but maybe even pick up a cobra intake or something.
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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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