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Reading this, I am confused here. What is on the setup now? Carb, or TBI?
An 88 TBI pump will only have 13-18 psi tops. The is a supply AND a return line at the back of the throttle body. I have ran a 14psi pump on a carbed motor (no mechanical mount) and ran a regulator on it to get the pressure down to 6, and it ran fine.
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Chris Lucas
1973 Chevy C-10
1978 GMC Jimmy (2WD) - SOLD
1987 R10 twin turbo LS
1991 R3500 SRW CrewCab
1985 K5 diesel swapped project
1989 K5 2WD conversion w/ Vette susp Project
Captkaos Customs
73-87chevytrucks.com
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