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Re: fuel pressure guage
That is what I was thinking shifty, that it was the rythem of the pump riding on the cam. And bounces faster but closer the higher the rpm.
So since it bounces between 6-9 I was guessing my psi would be around 7-8.
which would be good with my pump and holley dp.
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1968 c10
lowered 3" 4"
355/Th400 built by Hatfield racing in joplin MO
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