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I am dropping in a 408w into a 65 mustang that will be driven all the time on the street as my only transportation. I have a mallory 60fi electric fuel pump(which i will be using on a holley 750dp carburetor set up) and a mallory return style bypass regulator. What PSI should I run on this system??
Thanks for the help!
-Shelby
 

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4-5 psi with a return system. You dont need more than that with a decent pump as it will maintain 4-5 psi and keep the fuel bowls filled no matter the load . More than that just puts stress on the needle and seat valves.
 

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Not with a return setup . any fuel stall that might happen because of high G forces are countered by the return fuel line. I run high 9's with 5 psi and a mallory regulator mounted on the tank...ahem...fuel cell.

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438" Dart Windsor, AFR 225 heads, 271/[email protected]" on 106 solid roller, 13:1 compression, Super Victor, crank trigger, 1050 Dominator, external oiling, reverse manual C4, 4000 stall, 4.10 Dana 60, Nitrous. Street '68 Cougar. 9.967 at 134 MPH! 1.44 60 ft

<font size=-1>[ This Message was edited by: mikeandnatasha on 9/1/06 4:09am ]</font>
 
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