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Roller Cam
Synchronises valve timing to control Negative Supercharging process and further enhance supercharging effect
Stage 7 uses roller cam
Due to the high cost of roller cams, Stage 7 only comes with a roller cam and lifters. The Negative Supercharging roller cam features the same valve timing events, synchronised valve timing and low exhaust lift as the Negative Supercharging flat-tappet cam but with much higher intake lift. Therefore, the roller cam may be used with Stage 1-6, but the higher intake lift of the roller cam requires .080" more piston to valve clearance.
The much higher intake lift allows the Negative Pressure Supercharging process to force a larger volume of air into the cylinder which produces a lot more torque and horsepower from idle to peak rpm than the flat-tappet cam.
| Impulse Engine Technology
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Fax: +(612) 9398 5644
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Inventor of Negative Pressure Supercharging
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