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Are LS2 injectors longer or shorter than LS1 injectors..

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Old 05-26-2006, 11:18 PM
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Default Are LS2 injectors longer or shorter than LS1 injectors..

Just trying to figure out my fuel system with the LS2 engine and FAST LS1 style intake and fuel rails..

I got an adaptor kit from FAST, but no instructions so I am trying to figure it all out

Thanks
Old 05-27-2006, 12:55 AM
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Stock LS2 is shorter than LS1/LS6.

FAST Intake and Fuel rails...you'll need either stocker LS1/LS6 injectors at a minimum or the cheap way out for bigger injectors would be SVO 30lbers. FAST also has the right injectors available, think they may be similiar to the SVO's were in pricing.

For the harness, you will need adapter pigtails to plug in your LS2 harness into the older style fuel injector, or you can cut and splice.
Old 05-27-2006, 08:05 AM
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Don't forget the larger o-rings for the bottoms of the injectors too
Old 05-27-2006, 09:58 AM
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Originally Posted by -Joseph-
Stock LS2 is shorter than LS1/LS6.

FAST Intake and Fuel rails...you'll need either stocker LS1/LS6 injectors at a minimum or the cheap way out for bigger injectors would be SVO 30lbers. FAST also has the right injectors available, think they may be similiar to the SVO's were in pricing.

For the harness, you will need adapter pigtails to plug in your LS2 harness into the older style fuel injector, or you can cut and splice.
Cool.. FAST makes an adaptor kit now.. billet extensions for the injectors so they will work with FAST intake and FAST fuel rails.

The kit also comes with adaptors if you wanna run the LS2 fuel rail with the LS2 (or LS1) style injectors on the FAST intake.. I will snap a pic in a few days. Oh, the kit comes with new o-rings as well..



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