Crane Cams has specifically designed direct fit cams for 4.8—6.0L LS Series engines to maximize power while utilizing stock valve train, without exceeding the travel of a stock valve spring. The goal was to maintain near stock idle characteristics, vacuum and drivability while increasing torque and horsepower throughout the RPM range. Reserve yours from Marken Performance.
Dyno testing on the 4.8L and 5.3L engines have shown significant gains over the stock camshaft using the PowerMaxLS™ Direct Fit cams #1449501 and #1449541:
Both dyno engine platforms were stock design using stock cylinder heads, cam, 1.70:1 rockers and intake manifold, but were equipped with the following components: 1 ¾” diameter tube headers, Accufab manual throttle body, Meziere electric water pump, 40 lbs./hr. injectors, and a stand alone EFI system.
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john. 2024-12-23 06:30:37
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