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How do Tell if it's a LS1 or LS6 intake manifold?

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Old 07-09-2006, 05:47 PM
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Question How do Tell if it's a LS1 or LS6 intake manifold?

I want to know how to tell a LS1 from an LS6 intake manifold. what gives it off? what do i look for?

Thanks

Jerry
Old 07-09-2006, 05:49 PM
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There is no EGR hookup on the fron top of the intake and the underside is flat as opposed to as LS1 which is caved in and has the EGR hookup.
Old 07-09-2006, 05:58 PM
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LS1 vette intakes also have no EGR hole, so be careful about that.

The LS6 intake is flat on the bottom. The LS1 intake has a curved bottom.

Then there is always the part # stamped on the intake.
Old 07-09-2006, 05:59 PM
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thanks guys
Old 07-09-2006, 06:01 PM
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where is the stamp #?
Old 07-10-2006, 01:40 PM
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Ttt...
Old 07-10-2006, 02:17 PM
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Yea i made this mistake about 7 months ago, i bought a used "ls6" intake , turned out to be an ls1 intake off of the earlier vettes .. but i had to put it on, cuz i broke my egr on my ls1 intake . so i ended up using the vette ls1 intake cuz it has no egr on it . (EGR delete) .. damn longtubes..
Old 07-10-2006, 03:15 PM
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oh wow look what i just found a 2 day old post on the same question

https://ls1tech.com/forums/generation-iii-external-engine/537064-how-can-you-tell.html
Old 07-10-2006, 04:53 PM
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Thanks Bud




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