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1. 

   Joined: Feb 8, 2007
   Posts: 88

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   biggles

   Member

   from England

   Is there any experience here of fitting a 4" **** crank to a 21-stud block?

    

   biggles, Sep 14, 2019

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2. 

   Joined: Jan 10, 2017
   Posts: 1,437

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   irishsteve

   Member

   from Nevada City Ca, / Sturgeon Bay Wi.

   Is that a babbit bearing engine? If so you might need the machinist to fit the crank,and make any adjustments for clearance.Not a lot of guys in America doing that work...the UK may be the same way.You would be better off with a later insert block,but im sure in the UK you work with what you have.

    

   irishsteve, Sep 14, 2019

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