tfx 96 throws no. 8 rod twice

Discussion in 'PSI Superchargers Tech Questions' started by donn hosford, May 31, 2014.

  1. donn hosford

    donn hosford New Member

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    new rods, 200 psi oil pressure, less than 8800 rpm,the rod breaks.is there a blockage of oil flow due to improper restrictor placement?this happens within 3 runs,usually less .other bearings look ok.please help,am tired of killing visa card.thank you donn hosford
     
    #1
    donn hosford, May 31, 2014
  2. Critical Mass

    Critical Mass Member

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    Hi Donn,
    We need a lot more info before we can give you any logical solution to your problem.

    What weight oil are using?
    Where are the restrictors?
    How much rod clearance do you have?

    I hope we can solve your problem, Joe
     
    #2
    Critical Mass, May 31, 2014
  3. Will Hanna

    Will Hanna We put the 'inside' in Top Alcohol
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    rod

    Is the rod breaking during the run or in the shutdown?

    200 lbs of oil pressure is a lot of pressure, it very well could be pumping the oil to the top of the motor and not having any oil during shutdown. I would check the oil pressure in the shutdown part of the run on your data logger. Many times a motor will run out of oil while it is still running down there.

    Are you stretching the rod bolts when you install them?

    If it's not oil or improper stretch, then it could be tune up and your combo is picking on that cylinder.
     
    #3
    Will Hanna, May 31, 2014

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