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All differences in the LS1 and the LS6

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Old 12-16-2004, 10:55 AM
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Default All differences in the LS1 and the LS6

Anyone care to list them for me, please? Thanks!
Old 12-16-2004, 12:04 PM
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Cylinder heads, Cam, Valves, Valve Springs, Oil Pump, Oil Pan (C5 specific), Intake Manifold (depending on year...'01+ LS1's use the LS6 manifold)
Old 12-16-2004, 12:13 PM
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Guess I should be more specific, '04 LS1 and '04 LS6. Just seeing exactly what differences my car has from an '04 Z. And thanks for the reply, Yelo.
Old 12-16-2004, 12:19 PM
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As far as I know the differences should only be the Heads (casting and valves only...springs are the same), Oil Pump and Oil Pan.....
Old 12-16-2004, 12:19 PM
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i believe the block is different concerning the oil passages and such but they're both interchangable still.
Old 12-16-2004, 01:01 PM
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Originally Posted by taufern
i believe the block is different concerning the oil passages and such but they're both interchangable still.
You are right, but he may have a ls6 block. Some 01 and 02s have them and many of the 03 04s have them. So he may have one anyway.

The cam in a ls6 is different, exhaust manifold, cat-back, air box.

As far as your car goes there are tons of differences
Old 12-16-2004, 03:00 PM
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I know there are tons of differences between the cars themselves, I was just wondering about the engine. Thanks for all the replies, btw!
Old 12-16-2004, 08:11 PM
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different pushrods as well in an LS6, higher compression ratio too.
Old 12-17-2004, 10:43 AM
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the orignal LS1 piston was made by Mahle using a alloy called M124... the LS6 got pistons made of M142 (more copper and nickle)... this allowed tighter bore clearances.


but thats when the LS6 first came out.. i dont know if all genIIIs have them now or not. knowing GMs modern rep for updating everything GenIII that proves itself, you probly already have them...
but im not positive.




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