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Old 08-03-2020, 05:44 PM
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FredG FredG is offline
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Location: Howell, NJ
Cobra Make, Engine: Backdraft Car #1209 Roush 427R
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Default Fuel pressure

You are not going to need a large electric pump for a carb. Regardless of the pump, it would be wise to install a fuel pressure regulator and gauge on the fuel line. Holley 4150 & 4160 carbs can get a little finicky when it comes to fuel pressure. Holley recommends 5-7 psi.


Originally Posted by cobrabritt83 View Post
Looking to see what electric fuel pump I would need for my 427 s/o. The engine is build for street use and has a duel quad setup with Holley 450 carbs. I'm not sure how much flow I need i a pump or how much fuel pressure this engine requires.

Last edited by FredG; 08-03-2020 at 05:51 PM..
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