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Re: Vacuum pump for power brakes
Posted to R.P.M. Forum on 5/8/2018

You say a mild cam? Is it an automatic? If so, does it have a stock torque convertor that is fighting the cam lope. Also look at all the basic tune up settings. Was the distributor installed 180 degrees out and timing set by ear? Vacuum routing correct? Booste... Login to read more.