Quote:
Originally Posted by dinos67's
I just fired up my LS in the car for the first time and the thing just purrs. My question is I am missing something here when it comes to the fuel rail. I am running stock ls2 style fuel rail I had an o ring leak so I pulled the two bolts out of the one side and angled up the rail replaced the o ring and put the two bolts back in and now the back one is leaking also that was replaced. How should I install the rail? Do I lift the entire thing off and then reseat it the passager side is dry but the driver side has a leak. I am running my fuel rail up the passanger side of the car. Any help would be awesome thank you in advance.
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Here is some information that may help. There are two different LS1 rails, one with a fuel feed line only and one with a feed and return line. These rails fit LS1 and LS6 intakes. LS2 fuel rails fit LS2, LS3 and L76 intakes, LS7 rails only fit LS7 intakes it seems due to the angle at which the injectors make contact with the rail.
The LS2, LS3 and LS7 injector length is different. The fuel rails for the LS2/3 and L76 is the same so the difference in fuel injector height is made up by the manifold rail mounts. I think you can also use shims to make up for the difference but will need the manifolds, injectors or rails to get the right measurements which is crucial in getting the O-rings to seat correctly preventing leaks or worse a fire.
Brian Hobaugh SCCA National Tour June 2014
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