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Rufton · 06-25-2013, 05:22 PM

99 350 vortec fuel pressure was 58psi w/ OEM spider.
I swapped spiders (see pics) and it runs perfect.

06-25-2013, 05:22 PM	#10
Rufton Registered User Join Date: Apr 2013 Location: Knoxville TN Posts: 1,170	Re: Unknown facts regarding replacement 1st gen. Vortec MP fuel systems 99 350 vortec fuel pressure was 58psi w/ OEM spider. I swapped spiders (see pics) and it runs perfect. Attached Images Last edited by Rufton; 06-25-2013 at 05:30 PM.