Quote:
Originally posted by NotchJohnson
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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negative, i see low 13's every week, not only are my heads stock, but i think the valves are floating, i ran 13.27 with untouched e7's, stock intake, stock tb and maf, also before i installed lower control arms, my intake was iced.
with a slower 60' i was still running 13.5-13.6, i also leave my spare tire in.
i feel confident, with a ported stock intake and gt-40 p heads i can see 12.8 104, with a 1.8 60'.
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X-Texas highway patrol ssp 1990 coupe - exploder Gt-40 iron heads, Explorer intake, 19 lber's. E-cam. crane 1.7 rollers. 190fp. 75mm maf. 65mm tb, tubular subframe connectors, mac cai, Asp crank pulley, T-5, king cobra clutch, flowtech 1-5/8 unequals, mac X-pipe Frpp driveshaft, lakewood Lca's.
race weight 3,160
12.69 @ 107.35, 1.71 60' 26x8.5 drag's 3.90 gear
13.20 @ 106.91 - 235/60/15 firestones 2.3 60' 3.27 gear
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