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Early Stock Corvette VS F-Body Fuel Rails

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Old 03-08-2016, 11:38 AM
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Default Early Stock Corvette VS F-Body Fuel Rails

I have searched but needed a simple explanation.

I see that early Corvette fuel rails have the return line and the 98-02 F-Body rails do not have the return line. Other than the 98-02 F-body rails fitting on the early corvette, are there any other stock fuel rails that fit the early Corvette manifold without modification? Thanks
Old 03-08-2016, 12:21 PM
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Originally Posted by pdlightning
I have searched but needed a simple explanation.

I see that early Corvette fuel rails have the return line and the 98-02 F-Body rails do not have the return line. Other than the 98-02 F-body rails fitting on the early corvette, are there any other stock fuel rails that fit the early Corvette manifold without modification? Thanks
It's a standard LS1 intake. Anything that fits an LS1 intake should work.
Old 03-08-2016, 09:27 PM
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Originally Posted by Need4Camaro
It's a standard LS1 intake. Anything that fits an LS1 intake should work.
What about the LS2, LS3 or LS6 stock fuel rails? Will they fit on the early LS1 manifolds without mods?
Old 03-09-2016, 07:28 AM
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I "believe" LS2 and LS6 rails will be fine. I'm not certain about LS3 though, thats a different Gen motor and it has a Cathedral style intake.
Old 03-09-2016, 07:46 AM
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LS2 and LS3 rails are the same, and they will not bolt on. They can be made to fit, but the rails will need to be modified and spaced up to fit. It isn't difficult, but it isn't a direct swap.

This is one thing I had to do to get an LS2 fuel rail on an LS6 intake with LS1 injectors:

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Old 03-09-2016, 01:01 PM
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Excellent. I had heard that the truck fuel rails need modification and now understand about the others, thanks!



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