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block stamp code....stumped

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Old Jul 15, 2012 | 07:11 AM
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Default block stamp code....stumped

Morning all.. I have a code right above my timing chain cover on my block on my 1970 corvette...The motor is not the original...the number s 11103XAA.....trying to locate any reference material on this number. google and yahoo searches prove fruitless... Would really appreciate some assistance...

thanks,

Andy
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Old Jul 15, 2012 | 09:09 AM
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Originally Posted by beast79
The motor is not the original.
I wonder how many different engines fit into a 1970 Corvette engine bay? Rat motors, mouse motors. Heck, one CF member even has a 348 'W' motor stuffed in there. Knowing the casting date and bore size sure would make deciphering that code easier.
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Old Jul 15, 2012 | 09:51 AM
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Looks like the XAA part is for an ls6 454. Narrow your search to "XAA suffix code" and you will find some discussion from the Chevelle guys.
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