http://www.performancetrucks.net/for...filive-507346/
-John 1991 RCSB 2WD Sierra LQ4 swap, 220/224 112 cam, Twin VSR 6766 turbos 4L80e w/shift kit, PY 3600, and 3.73 gears. 22 PSI and E85, 4300# with driver. 9.7@138, 1.47 sixty:drivin:
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