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Thread: Lightning Con Rods

  1. #1

    Lightning Con Rods

    Has anyone got any feedback on Lightning aluminium Connecting Rods
    Is the extra $300 - $500 worth paying for GRP's or BME's

    Application is a pro style door car 2200lb, 1000hp single carb on racing fuel

    Any feedback greatly appreciated

    Regards

    Warren

  2. #2
    Administrator RACING JUNKIE bjuice's Avatar
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    Re: Lightning Con Rods

    Quote Originally Posted by Wastestar
    Has anyone got any feedback on Lightning aluminium Connecting Rods
    Is the extra $300 - $500 worth paying for GRP's or BME's

    Application is a pro style door car 2200lb, 1000hp single carb on racing fuel

    Any feedback greatly appreciated

    Regards

    Warren
    Are u running Nitrous or forced induction. If so how big of a shot of Nirous or boost if forced induction
    Bjuice..

    "I'M YOUR HUCKLEBERRY ! "

  3. #3
    No I'm running a single carb naturally aspirated

  4. #4
    Administrator RACING JUNKIE bjuice's Avatar
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    Big reason for running aluminum rods is to NOT beat the bearings out when running Nitrous or blown applications..the aluminum rods cushion the impact on bearings...it is also suggested that aluminum rods be changed out around 50 passes no more than 75/100 passes.

    If I were you I would run a good steel rod in natural aspirated motor.. Much longer life !
    Bjuice..

    "I'M YOUR HUCKLEBERRY ! "

  5. #5
    Administrator RACING JUNKIE bjuice's Avatar
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    Big reason for running aluminum rods is to NOT beat the bearings out when running Nitrous or blown applications..the aluminum rods cushion the impact on bearings...it is also suggested that aluminum rods be changed out around 50 passes no more than 75/100 passes.

    If I were you I would run a good steel rod in natural aspirated motor.. Much longer life !
    Bjuice..

    "I'M YOUR HUCKLEBERRY ! "

  6. #6
    Good advice
    We are monitoring a minor crack on the number 3 main, would the slightly heavier rod adversely affect the crack?
    Block is a stage 3 KB
    Crank is a winberg, crack is small, crank too good to toss

    What steel rod would you suggest?

    Thanks for your help

  7. #7
    Administrator RACING JUNKIE bjuice's Avatar
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    Quote Originally Posted by Wastestar
    Good advice
    We are monitoring a minor crack on the number 3 main, would the slightly heavier rod adversely affect the crack?
    Block is a stage 3 KB
    Crank is a winberg, crack is small, crank too good to toss

    What steel rod would you suggest?

    Thanks for your help
    Was the crack found after magnaflux or human eye..also can it be fixed ?

    Yes rotating weight will effect any crack..hard to say from my end how much..I probably wouldn't try to compensate for the crack with a lighter rod that will need to be replaced often. You are not guaranteed the aluminum rod will add any extra life to the crank...but to answer your question on steel rod. PAR uses manley 4340 on some of his 1000 hp stuff I have used Callies same 1000 HP engines...
    Bjuice..

    "I'M YOUR HUCKLEBERRY ! "

  8. #8
    Crack was found by magnaflux and repaired
    By the sounds of it i would be better to stick to the plan of using alloy rods

    My intention is to replace the crank after 50 passes


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