the best i ever got was a 2.20 that was on 255/60/14s bfg radials. It is really hard to get anywhere in a BB with 4:30s on that small of a tire.
I think that under NHRA rules an irs is illegal when you get into the tens. NOt 100% sure though.
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428 Cobra Jet
SOHC 5.4 3V F-150
96 mystic cobra
91 GT
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