I run gt-40's off an 97 explorer, non p head, with the e-cam and explorer intake. the car is running strong, better now i got the idle worked out, my heads have some hefty machine work in them, except they were only milled .10, maybe 9.1 compression, and have stock springs, but they flow, just begging for a blower 
btw, i have no new e.t.s yet with the ported explorer intake yet.
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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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