5.3 cam vs 4.8 cam

Silverado 5.3 cam only vs Silverado 4.8 cam and LTs run in Mexico

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Tahoe vs Silverado
Tahoe 5.3 LTs and spray vs Silverado 4.8 cam and LTs in Mexico

Fastest 4.8L
Glock running an 11.0@125mph with 4.8L, 220 cam and springs, stock heads, with heavy ass 4l80e tranny.

Game Over Performance
La GameOver Test Run

cam only 4.8 gmc runs 13.8 all motor
4400lbs cam only 4.8 gmc pickup runs 13.8's on motor, SDR 10-23-10