where do i put the lines that go into my valve covers on a 1988 gmc sierra 5.7 liter

Asked by Feb 12, 2014 at 11:50 PM about the 1988 GMC Sierra 1500 C1500 Standard Cab SB

Question type: Car Customization

I'm replacing my old valve covers with new aftermarket eldelbrock valve covers and im not
sure where to put the old lines that went to the old valve covers.

1 Answer

18,955

one about 1/2 inch hose from vacuum source to a pvc valve stuck in cover is a must , any other openings would be for air in,, to vent the pvc and flow across removing vapors.

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