Re: Why a Holley 1000 cfm with vacuum secondaries????????????
The same reason for having a 750 CFm w/vac secondaries - smooth transition.
If mech sec, open the sec's, and if a gallon of fuel isn't squirted at the samer time, the engine bogs.
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CUBS - 2016 World Series Champions - Thank you, Joe Madden … enjoy your next chapter.