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Thread: main bearings and rod bearings: HELP PLEASE!!
          
   
   

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  1. #1
    mikekgvk is offline CHR Member Visit my Photo Gallery
    Join Date
    Sep 2005
    Location
    indiana
    Posts
    20

    main bearings and rod bearings: HELP PLEASE!!

     



    Hi,
    i wana figure out if the main and rod journals on a forged 427 crank have been cut down or if they're standard. The upper main bearing has a symbol (attached), and next to the symbol it has the numbers 5203. The lower has the same symbol and the numbers 5202. and nothing else is stapmed on them.
    The rod bearings have the same symbol and the numbers 5177 stamped on them...and nothing else.
    Is my crank std., 10 under,20 under?
    thanks for your help
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