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Ed Wright · 02-05-2012, 06:11 PM

I wouldn't use any aftermarket, or parts store replacement pump. Only genuine AC Delco. Btw, 7 psi is way low. 1991 TBI system needs 10 to 14 psi to run well. 12 to 14 preferred, especially for towing.

02-05-2012, 06:11 PM	#3
Ed Wright Veteran Member Join Date: Mar 2005 Location: Sand Springs, OK Posts: 8,132 Likes: 896 Liked 390 Times in 170 Posts	Re: electric fuel pump question I wouldn't use any aftermarket, or parts store replacement pump. Only genuine AC Delco. Btw, 7 psi is way low. 1991 TBI system needs 10 to 14 psi to run well. 12 to 14 preferred, especially for towing. __________________ Ed Wright 4156 SS/JA