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tell apart the LS2 and LS6

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Old 05-17-2012, 10:44 PM
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When buyin my new intake how can I tell them apart between the LS2 and LS6 I want to nake sure I dnt get fooled lol
Old 05-18-2012, 12:08 AM
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Research the part # ahead of time?
Old 05-18-2012, 12:19 AM
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Originally Posted by ThumpnZ28
Research the part # ahead of time?
Once I get the part number I guess I can call chevy or gm and see it matches to a LS6 manifold but I heard that when u flipped it the bottom was different but I dnt recall exactly what was it
Old 05-18-2012, 06:36 AM
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Ls2 is 90mm, Ls6 is 78mm....easy to tell apart.

What you really need to watch out for is Ls1 vs. ls6. the Ls6 has a flat bottom
Old 05-18-2012, 11:29 AM
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Is this a LS6?
Attached Thumbnails tell apart the LS2 and LS6-img_5456.jpg  
Old 05-18-2012, 12:47 PM
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Originally Posted by ls1sickandtwisted
Is this a LS6?
^^^ Yes, it looks to be ^^^

The LS1 intake has a hump on the bottom side, the LS6 is flat as the picture shown. Both LS1 and LS6 intakes have the 78mm throttle body opening, and the LS2 has a 90mm opening. As said before, research the intake part number before you purchase so you know exactly for sure its an LS6 piece. The part number should be easy to find.
Old 05-18-2012, 02:37 PM
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Originally Posted by R6cowboy
^^^ Yes, it looks to be ^^^

The LS1 intake has a hump on the bottom side, the LS6 is flat as the picture shown. Both LS1 and LS6 intakes have the 78mm throttle body opening, and the LS2 has a 90mm opening. As said before, research the intake part number before you purchase so you know exactly for sure its an LS6 piece. The part number should be easy to find.
Thanks I measured the snout and its 78mm and the bottom is flat so its all good thanks alot
Old 05-19-2012, 01:33 PM
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ls6 has 3 throttle body bolt holes, ls2 has 4



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