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gchemist · 07-22-2008, 07:57 PM

Holley makes pumps for TBI fuel pressure. TBIs require 15 PSI.

In tank fuel pumps are cooled by the fuel. Frame rail pumps are not cooled and are at the mercy of heat.

07-22-2008, 07:57 PM	#8
gchemist BAD BOW-Silverado XST Join Date: May 2000 Location: Senior Member from Austin, TX Posts: 6,431	Re: 89 tbi fuel pump Holley makes pumps for TBI fuel pressure. TBIs require 15 PSI. In tank fuel pumps are cooled by the fuel. Frame rail pumps are not cooled and are at the mercy of heat. __________________ Gerardo a.k.a. Mad Chemist Silverado XST videos