Quote:
Originally Posted by Nitebird
My car has the factory original 9 inch booster that has been rebuilt. Will the smaller booster be a factor in not being able to maintain good vacuum for the 4 wheel disc brakes with that cam?
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I have SD 290cfm KRE heads OF cam with 1.65 rockers 10.25 to 1 compression,factory four wheel disc brakes..no problem with vacuum..13.5 to 14 inches too.