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Old 04-28-2010, 12:25 AM   #9
Marv D
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Join Date: May 2008
Location: hells training ground (aka Ariz)
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Re: How much cam is too much cam for power brakes

I agree with ripdog here Kevin, but keep in mind I don't know jack about the bigblocks and what is too much. That exhaust valve closing is going to be key in if it makes enough vacuum for PB or not. Could always advance the cam a little to get that exhaust closed a tad earlier and start building vacuum earlier too. Should help if it were marginal.
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