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andrewmp6 · 03-06-2016, 02:08 AM

You need 18 inches of vacuum to run a brake booster,Its hard to say what your engine will have tell you throw a vacuum gauge on it.

03-06-2016, 02:08 AM	#6
andrewmp6 Registered User Join Date: Jan 2009 Location: Louisville,Ky Posts: 5,811	Re: Another hydro boost vs power disc brake thread You need 18 inches of vacuum to run a brake booster,Its hard to say what your engine will have tell you throw a vacuum gauge on it.