Guys i have 275/50/15 bfg d'r on a weld rim, let me tell ya, they bite! not like an e.t. street, but pretty dang good, i havent been to the track yet, but i'll post e.t., but i might just be on a faster combo next time out anyway, with heads/cam.
in the wet weather they could be better, but they are MUCH safer than e.t. streets, no matter what conditions.
I drove on e.t. streets for a while, but after going to bfg's im much happier, even racing on the street, at the track i think a 1.88-1.9 60' is possible.
isnt the dr class stangs going 1.4's? like on a 325/60/15? 
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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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