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454 tbi questions

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04-05-2022, 01:09 PM	#11
44th Miss Inf Registered User Join Date: Sep 2002 Location: Liberty, Mississippi Posts: 675	Re: 454 tbi questions Use a Vortec (ep381) fuel pump instead of the tbi (ep386) pump. The tbi pump barely puts out enough volume for the 350. I’ve been doing this since about 2000 with excellent results and wakes up the 454 a bit

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