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Old 03-12-2014, 02:45 PM
ta man ta man is offline
Ultimate Warrior
 
Join Date: Apr 2006
Location: Clinton,Ontario,Canada
Posts: 5,366
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Quote:
Originally Posted by Nitebird View Post
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?
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.