Fuel Rail Question.
10-29-2011, 11:19 PM
#1
Fuel Rail Question. On my LS1 I have the stock fuel rail that has that thing that looks like a small pressure regulator between the rails and only one fuel inlet. My question is can you install a fuel pressure regulator before the rails so that you can run a return line to the tank or will the stock rails and it's regulator thing and a new regulator not work?
10-30-2011, 09:15 PM
#2
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On a stock returnless LS1 fuel rail, the regulator is called a pulse dampener. You can indeed install an "external" fuel pressure regulator and leave the stock returnless rail.
