Would the old cast iron heads 487, 487x or 993 fit this block, Without any special machining and such ?
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Results 1 to 6 of 6
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07-29-2012, 12:16 PM #1
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ZZ4, GMPP # 12561723 partial engine
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08-10-2012, 10:46 AM #2
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TTT to the TOP for answers
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09-01-2012, 04:35 PM #3
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Anyone ???
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09-01-2012, 11:31 PM #4
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That is a gen-1 block, so why wouldn't they work?
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09-04-2012, 08:44 AM #5
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i didnt know, that why i asked a question, since you are the only one answering i assume no one else knew the answer. How did you determine its a gen 1 block ?
Originally Posted by ka_jd7and1
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09-04-2012, 12:27 PM #6
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You should be able to find a parts breakdown of the shortblock you're looking at that has casting numbers for all the parts.
If you can find the casting number of the block (should be 10243880 or 10105123 if I remember right), it is a Gen 1 block.Last edited by ka_jd7and1; 09-04-2012 at 12:34 PM.
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