We added Truck Norris camshaft to this 200+k mile iron 5.3. 706 heads. Gen 3 intake and stock throttle.
Oem 60e converter combo just to show how great it drives.
Such a snappy and linear power curve.
This is the truck camshaft you want if you are looking for an aggressive idle, sound, and explosive powerband.

4.10 rear gear in the test vehicle on 275/60/15’s. Rpm 4l60e.

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