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Old 07-11-2002, 01:12 PM
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Join Date: Nov 2001
Location: Atlanta, GA
Posts: 552
Technical Data for M103 engine needed

I am trying to decide whether to buy standard or undersized main and connecting rod bearings. I have the clearances measured off of my crank but I do not know the specifications of the bearings. Can anyone help me out with this information?
George Carstens
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Old 07-11-2002, 02:32 PM
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Unless you plan on turning the crank, use standard bearings. Have you mic'ed and found the journals in spec?

I have the dimensions at home if you need to know the original journal size.

Good luck,
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Old 07-11-2002, 06:20 PM
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Join Date: Nov 2001
Location: Atlanta, GA
Posts: 552
The main bearing journals were about 2.3065" and the rod bearings were about 1.8875". Should I still go with the standard bearings? The engine had a 104,000 miles on it.
George Carstens
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