Quote:
Originally Posted by 64speed
I am using the Holley mechanical pump which I was told initially was a 'matched item' and did not need a regulator. I was seeing up to 10 pounds on the gauge fluctuating
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If you're not experiencing carb flooding, overflow out the vents or extended cranking time when starting, chances are you're OK though 10 psi is high. I've heard about Holley pumps being off spec and delivering higher than normal pressures. The Holley Red electric street pumps like I use as a pusher are limited to 7 psi max.