Irocs have 3.42 grs i beleive, and haldled well, but the fox should outrun it in the 1/4.
And rbatson, the ls1 is not to similar to the iroc 350 at all. Although an ls1 in a iroc would be a mean setup
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90 lx coupe: Mac cold air fenderwell, accel supercoil,advncd ignition,3-core radiatr, FMS alum D/S, Black magic fan, 3.27grs, 3chbr flows.
Best time: 14.26(on 225/60/15 firehawks)
Best mph 96.33 (with a passenger)
Best 60' 2.1
next mods: subframes, 3.73's