Thread: gt40 vs gt40p
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Old 08-09-2003, 02:10 AM   #5 (permalink)
Coupe50h
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Join Date: Aug 2002
Location: SanAntonio, Tx
Posts: 957
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im sure the p's are nice, but i got my (non p's) off a 97 exploder, the heads went into a machine shop for refreshing, and .010 mill, i then bought them for 450$ i put them right back in the shop for some porting and 3 angle, then i put new springs on, if i would have had to pay for that port work, i could have already bought some gt-40x and been happier...but oh well
with the better springs i got 4-5 mph with the e-cam, explorer intake, and gt-40 heads, i think ported e7's can match these heads though.

I will say, if your going to just leave them stock, dont bother, but with porting they'll be good, i would rathe rhave ported e7's with some good springs, then some unported gt-40 irons...my .02
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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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