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45ss con rod chamfers

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  • 45ss con rod chamfers

    Xmas project
    I'm rebuilding a 45 ss and only have one original con rod (no oil holes).

    http://www.apba.org/sites/all/files/documents/2013_SST45_TECHNICAL_SPECIFICATION041013.pdf says "... chamfering the oil holes..." is allowed. Another blog/forum... suggested that without the chamfer the fishing engine rods break.

    My question is how big a chamfer and how best to make it. I was thinking about using a dremel with a conical stone, high speed, low pressure and lots of oil to make the surface as smooth (micro crack free as possible).

    Any one have experience with this?

  • #2

    Re: 45ss con rod chamfers

    really not necessary. you may want to send the rods to 300 Below for Cryo processing. We consistently turned modified 45ss over 8,000rpm with no bottom end failures!!!!
    Anthony McCulloch
    modifiedoutboard@hotmail.com

    Some things never change
    sigpic
    They want it cheap

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