whats a good psi on fuel for a 306 small block?

5

Asked by Feb 17, 2012 at 08:48 AM about the 1988 Ford Mustang GT

Question type: Car Customization

2 Answers

25

If you mean the base fuel pressure for an EFI 306,stock 39psi with the regulator vacuum line plugged.

385

Remember, If You Go Bigger On The Injectors For More GO, You Will Need More Psi To Push In The Go-Juice. Any Changes To The Engine? Cold Air Intake? Cam? Header? Exhaust Size?

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