Originally Posted by Duct_tape123 I thought 3rd was 1:1 and 4th was .7:1??? 1: 4.02 2: 2.32 3: 1.40 4: 1.00 5: 0.73 r: 3.55
00 FRC - just top end, exhaust, and a hot-air intake 99 Sierra - 5.3 / 5spd ↓ click the pic for the build ↓
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