Ls2 Swap Into 99 Z71 Silverado
07-08-2007, 01:20 PM
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Ls2 Swap Into 99 Z71 Silverado have aftermarket fuel rails need to know how to run fuel pressure regulator an return line and evap line ? using ls2 90 mm intake and throttlebody diagrams ro picts or just plain instructions need asap thank you
07-08-2007, 06:41 PM
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LS2 engine, or just the 90mm throttle body? If you have aftermarket rails, just get a regulator, and plumb the feed line to the rear of the rails, and the reg off the front. Plumb the return from the rag to the trturn line by the firewall. Don't know about the evap line
