Thread: Rod bearings
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06-25-2010 06:41 PM #1
CHR Member
- Join Date
- Feb 2005
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- Ithaca
- Car Year, Make, Model: 1954 GMC Panel, 1953 Willys Wagon, 1955
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Rod bearings
Just pulled a 91 350 apart. The Con Rod bearings are all marked
GM4
5471139
72 E 11
013 OS
I can't find any information and the 013 os would seem to be an odd over size. Any ideas as to what these are?
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