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How much do I need to shim LS2 fuel rails to use LS1 length injectors w/ an LS2 man??

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Old 07-28-2007, 03:02 PM
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Default How much do I need to shim LS2 fuel rails to use LS1 length injectors w/ an LS2 man??

like the title says.....I am using LS1 length injectors(longer) on my LS2 intake.....how much do I need to shim the fuel rails??
Old 07-28-2007, 05:07 PM
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I have an ls2 intake and ls2 fuel rail with ls1 injectors and all i did was use the ls2 injector o-rings that seat into the manifold. worked fine for me. is that what your asking?
Old 07-29-2007, 03:37 PM
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Originally Posted by ws6_bandit
I have an ls2 intake and ls2 fuel rail with ls1 injectors and all i did was use the ls2 injector o-rings that seat into the manifold. worked fine for me. is that what your asking?

well I am doing the exact same thing and I have the new o-rings but since the LS1 injectors are longer will the fuel rail still bolt to the intake or do I have to add some spacers??
Old 07-30-2007, 12:56 PM
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Add some spacers to get the rails up a bit it is only a few mm. Or swap the rails for a set of billet rails they are made specifically for the taller injectors.

Nate



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