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Old 11-15-2006, 11:24 PM
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Roller cams act like a hydraulic cam 10 degrees smaller in manners. I can run a mechanical roller with 246/252 @ .050 and still have plenty of vacume for the power brakes. Same with the hydraulic roller having manners like a much smaller flat tappet hydraulic. Since you can run a cam 10 degrees larger and have the same street manners, it seems that it would be fair to run the test with 10 a degree larger roller cam.
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