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Thread: LS1 vs LS6 block
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07-25-2007, 11:26 AM #1
LS1 vs LS6 block
So I know that some of the '01's and '02's came with LS6 blocks. Is there any performance differences with those cars and how can you tell if yours is one of them?
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07-25-2007, 11:43 AM #2
1168 is the last 4 digits of the LS6 block casting number. I don't think there were any performance differences between the LS1 and LS6 block, except that the LS6 block was supposedly stronger or something.
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07-25-2007, 11:49 AM #3
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Yup, the casting number on the LS6 is 12561168 - driver's side deck, above the transmission flange.
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07-25-2007, 11:50 AM #4
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blacker than wesleysnipes- 98' trans am
the ls6 block had bigger windows for oil circulation at high gs and ect. that is about the gist of things
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07-25-2007, 01:48 PM #5
since the ls6 motor was made in mexico, i have some mexican labels on some tape around my motor does that mean i have it
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07-25-2007, 01:49 PM #6
i also heard that the ls6 block is darker then the ls1
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07-25-2007, 01:54 PM #7
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09 EclipseGT 75 Chevy 4x4- 2001 Trans-Am 13 F-XT
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07-26-2007, 12:36 AM #8
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07-26-2007, 05:47 PM #9
makes no difference
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07-26-2007, 05:50 PM #10
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07-27-2007, 06:45 AM #11
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07-27-2007, 07:16 AM #12
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07-27-2007, 08:00 AM #13
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07-27-2007, 08:54 AM #14
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Navy Blue Metallic- 2001 Camaro Z28 M6 T-Top
I had read on a sticky that there was no performance difference between the LS1 and LS6 block. However (the person who made the sticky) said that some engine builders believe the LS1 block is stronger for build-ups.
I'll see if I can find the post.
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07-27-2007, 08:56 AM #15
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07-27-2007, 03:05 PM #16
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07-27-2007, 03:06 PM #17
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07-27-2007, 03:15 PM #18
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07-27-2007, 03:17 PM #19
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07-27-2007, 08:04 PM #20
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