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10-02-2006, 08:44 PM
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#20 |
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Registered Member
Join Date: Aug 2002
Location: SanAntonio, Tx
Posts: 957
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Re: GT40P heads and 1.7 rockers ?
I would go 1.6 anyways, but the gt-40 p head should be a bigger cc chamber than e7's, and unless decked at a machine shop, the p's are like 65 cc, so you have all kinds of room there, when you mill a head down real far, you always need to check pushrod length, but that is my opinion only, not proven facts or anything.
my heads were milled like .1000 so i just adjusted my rockers accordingly, and had some shims just in case, but i didnt need any. good luck
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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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