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Thread: Crankshaft turning???

  1. #1

    Crankshaft turning???

    Anyone ever heard of a builder having to turn a crankshaft to clear the bottom of the pistons???

  2. #2
    Senior Member RACING JUNKIE
    Join Date
    Jan 2006
    Location
    La.
    Posts
    2,890
    Sounds like the engine builder chose the wrong rod length and piston combo. Most all stroker cranks require a longer rod to clear the counter weights. Example: if you have a 496" crank 4 1/4" stroke you can't use the stock 6.135 lenght rod and most crankshaft manufacturer's tell you this out front, you have to go with a 6.385 rod, and corsponding pistons. Same thing with a sm/blk 434" crank 4.00" stroke, you cannot use a 5.7 rod, you have to go to a 6.00 rod and the list goes on.

    Zip.

  3. #3
    Senior Member RACING JUNKIE
    Join Date
    Dec 2008
    Location
    Sugar Hill, GA
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    1,365
    You will pay a fortune in heavy metal to get it balanced.
    Dave
    http://www.racingjunk.com/profile/343797
    "All that is necessary for the triump of evil is for good men to do nothing" Edmund Burke


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