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LS2 intake on LS1 questions

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Old 04-15-2008, 07:46 PM
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Default LS2 intake on LS1 questions

What is needed to run an LS2 intake on an LS1? I've read that the LS2 needs larger O rings on the intake side. I was looking on the speed inc site at fuel rails and they said the LS2 rails only work with factory sized injectors. Basically what do I need to make this work?
Old 04-15-2008, 08:42 PM
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Originally Posted by ss_girl
What is needed to run an LS2 intake on an LS1? I've read that the LS2 needs larger O rings on the intake side. I was looking on the speed inc site at fuel rails and they said the LS2 rails only work with factory sized injectors. Basically what do I need to make this work?
Better off to run a LS6 & a ported stock TB. Makes more power. The LS2 intake has good runner design, but they leak between them causing lost power.
Old 04-15-2008, 09:49 PM
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this will be on a boosted setup
Old 04-16-2008, 08:09 AM
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Originally Posted by ss_girl
this will be on a boosted setup
Ahhhh, then the LS2 IS the best match. The injectors will need the larger diameter bottoms. If you use the stock LS2 fuel rail you will need the short injectors also. If you use the tall ones we offer a billet fuel rail that fits the LS2 manifolds. Also, what TB are you going to use?
Old 04-16-2008, 04:30 PM
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I just checked your sight but didn't see the fuel rails on there.
Old 04-16-2008, 04:47 PM
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Originally Posted by theblur98ss
I just checked your sight but didn't see the fuel rails on there.



They are machined from solid billet 6061 T6 including the fittings which have a tapered transition vs the step in most fittings. The mounts are also solid billet & not stamped steel.

Fuels rails are $239 a set w/fittings & the fuel line kit is $119.
Old 04-16-2008, 06:41 PM
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Are these differant then LS1 rails?
Old 04-16-2008, 07:53 PM
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Rails are the same, the mounts are different. We have them for 3 different configurations. The LS1/LS6/ & FAST are all the same, and the LS2 is available in both the stock injector hieght & the taller ones.
Old 04-16-2008, 08:22 PM
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^trust this man, he knows!




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