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#2
03-13-2003, 03:54 PM
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Re: LS-6 correct date heads
Go with the Tonawanda build date stamped on the engine pad.That is when the engine was a running unit,and heads should not exceed this date.
Figure 6 to 8 weeks max before it,as an average,not always so though. Nearest date you can find to your Tonawanda date,but not after,the better. 
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