Will this # tell me If This is a LS6 block

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Dec 28, 2006 | 04:08 PM

SPACECITY

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Staging Lane

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Will this # tell me If This is a LS6 block

This is in the back of the block 12561168... 2002 TRANS AM

Now next question. Is there any place on the block
you can match the vin of the car with??? Thanks

Last edited by SPACECITY; Dec 28, 2006 at 04:18 PM.

Dec 28, 2006 | 04:49 PM

ROCNDAV

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I dont think it is.

http://www.automotiverebuilder.com/ar/eb040538.htm

Dec 28, 2006 | 04:55 PM

2fastWS6

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Yes that is the LS6 block casting #

Dec 28, 2006 | 04:55 PM

SPACECITY

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Staging Lane

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WOW, that # is not even listed

Dec 28, 2006 | 04:55 PM

jeffstar

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LS6 block, congrats I have one also. It means absolutely nothing

Dec 28, 2006 | 04:56 PM

ROCNDAV

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yeah it is, I read it wrong.

5th bullet under 1997 -'04 - 5.7L Cars:
The 1256118 casting was originally designed for the high performance LS6 that was introduced in '01, but it showed up in some LS1 applications in '01 and '02 and it was used for all the Corvette motors in '03 and '04. The only difference between it and the previous block was the addition of two cast slots in each of the three center mains. They replaced the holes that were drilled through the bulkheads on all the other '97-'01 blocks.