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Thread: gear box

  1. #1
    Guest pete smith's Avatar
    Join Date
    Jul 2008
    Posts
    43

    gear box

    Hi can anyone give me some help I'm running a 4HP22 box on my pick up it will Rev to 6000 in all the gears but when it goes into 4th it will not go above 3000 any ideas please

  2. #2
    NSRA member kapri's Avatar
    Join Date
    Jun 2003
    Posts
    25,921
    If that's in drive and physically out on the road then it sounds fine. Normally due to inadeuqte power to overcome aerodynamics and it is after all an overdriven gear and you wouldn't expect it to rev out unless you have riculously low gearing. It will probably go faster in top ( 3rd gear) than is ever achievable in overdrive.
    Galations 6:7

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