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How much cam, till vacuum drops to low

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Old 11-24-2010, 01:35 PM
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Default How much cam, till vacuum drops to low

I've read of people running 230 to 240 degrees of duration @.050 and have yet heard anyone complain of vacuum loss. I realize I'm old school, but in my day, cams of that size would never work on a car with power brakes... What's the deal?
Old 11-24-2010, 03:32 PM
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They still seem to produce enough vacuum with the need of a vacuum canister. Ive never put a gauge on mine, but ive never had a problem with my brakes.




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