20-35hp with the cam swap roughly is what you should see....
20-35hp with the cam swap roughly is what you should see....
04 ECSB Silverado 4X4
Nelson Tuned - 220cam - 3000yank stall - stage 1 heads
LS1 fans - ASP pulley - 3inch lift - ASM LT headers Mod Page
aka 98TAauto - 98TA 11.4 @ 119 H/C street trim
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