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Thread: Main bearing questions.
          
   
   

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  1. 11-11-2012 12:16 PM #1
    TylerR
    TylerR is offline CHR Member
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    Main bearing questions.

     



    I am rebuilding a 350 and noticed the numbers on my main bearings and thrust bearing have the following numbers:

    Mains - 18019643 - 0.0006
    Thrust - GM-A-400 - 0.001

    I have shopped for new bearings but could not find any with those sizes can i just use STD main and thrust bearings or have to buy a STD set and an .001 set to make it work? I dont want to have to take crank in to get mechined due to finances. thanks in advance for the help.
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  3. 11-11-2012 01:14 PM #2
    Dave Severson
    Dave Severson is offline CHR Member/Contributor
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    It would probably be best to mic the main journals and see what bearings will be correct for oil clearance....
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    Carroll Shelby

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  4. 11-11-2012 01:17 PM #3
    TylerR
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    ok I was thinking that I would have to do that. what would be a stock measurment?
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  5. 11-11-2012 01:19 PM #4
    Dave Severson
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    Don't know right off hand, lots of sites with GM engine specs, might want to do a Google search. I'm sure the measurement would be easy to find.
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    Carroll Shelby

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