This is primarily a 6.1 cam, but it also works well in 5.7 applications where deeper gears are used along with a high-stall converter. In a 5.7, it will lose some power below approximately 3,300 RPM. We recommend upgrading to a 09 or later 5.7 manifold, or a 6.1 manifold, and porting the heads to match in order to take full advantage of the cam’s higher RPM range.
With a stock 5.7 (08 and earlier) car manifold, the engine typically stops building horsepower at around 5,400–5,500 RPM regardless of the cam. Switching to an Eagle manifold can raise this to approximately 6,000–6,100 RPM, while a 6.1 manifold can increase it to around 6,300 RPM and usually hold power flat to approximately 6,500 RPM.
This cam has a slightly noticeable lope in a 6.1, but it is not aggressive. In a 5.7, the lope is more pronounced. In a 6.1, you can expect gains of approximately 30 horsepower at the wheels.
In 5.7 applications, stock 6.1 springs and pushrods work well and are recommended. However, you cannot run stock 5.7 rods and springs when installing this cam in a 5.7 motor.






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