block casting?
09-11-2005, 12:00 AM
#1
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block casting? someone is trying to sell me a long block so far ive concluded the heads are 5.3's casting 706 but the number i got of the block is 18002 and can't find any reference to what block it is any help appreciated so i can make a decision to buy it or not. 
09-12-2005, 06:36 AM
#2
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Should be a 8 digit casting # on the passenger side cylinder bank like one of these;
12561168 01+ LS6 Block
12559378 00-02 LS1 Block
12550592 97-99 LS1 Block
12561168 01+ LS6 Block
12559378 00-02 LS1 Block
12550592 97-99 LS1 Block