i wouldn't mod something with 170,000 miles on it... buy it, drop the engine hone the cylinders, but a stroker in it, port the heads and the intake, put a cam in it... throw it back in and have a monster
but i wouldn't mod something with too many miles
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'92 RS lt1/t56, lt4 hot cam, 30lb injectors, 54mm throttle body, full exhaust, 4.11 posi, 4 coil ignition, alluminum driveshaft, adj rear suspension, low. springs, electric water pump, custom tune.