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**ga-stepside** · 07-26-2017, 10:34 AM

I have a LT1 in my 280z. How much pressure are you getting at the engine? It should be 40-43 psi. Plus is the pump close to the tank. electric pumps don't pull well, they are designed to push. How big is your input line to the engine? It should be 3/8 with the return no smaller than 5/16.

07-26-2017, 10:34 AM	#2
ga-stepside Senior Member Join Date: Jan 2016 Location: Sugar Hill GA Posts: 368	Re: Stock C10 tank w/ efi I have a LT1 in my 280z. How much pressure are you getting at the engine? It should be 40-43 psi. Plus is the pump close to the tank. electric pumps don't pull well, they are designed to push. How big is your input line to the engine? It should be 3/8 with the return no smaller than 5/16. __________________ 1967 C10 Step side 1970 AMX 390 1977 Datsun 280Z highly modified with '95 LT1 power