The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Unknown facts regarding replacement 1st gen. Vortec MP fuel systems

Rufton · 06-25-2013, 05:43 PM

Both spider styles have built in pressure regulator to control injector pressure. Don't follow why spider specified for OEM application would require a restricted return line.

06-25-2013, 05:43 PM	#12
Rufton Registered User Join Date: Apr 2013 Location: Knoxville TN Posts: 1,170	Re: Unknown facts regarding replacement 1st gen. Vortec MP fuel systems Both spider styles have built in pressure regulator to control injector pressure. Don't follow why spider specified for OEM application would require a restricted return line.