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Re: 8.1L install into 1978 K10…DONE
I have ordered two different fuel pressure reg for my 8.1 from summit. One was a standard motors and the other was a delphi. Neither one was adjustable, the delphi looked adjustable in the pic but when i got it it wasnt. What kind do you use. I have installed a custom fuel cell and an electric holley fuel pump and would like to be able to dial in the perfect psi.
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