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Thread: Transmission failures!

  1. #21
    Oh and I don’t know where I’d stand on what is too high but eager to hear from people smarter than me about what good looks like.
    Al Fernandez

  2. #22
    Senior Member Carroll Shelby
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    Quote Originally Posted by Al Fernandez View Post
    6.25 pertains to engine cooling, so 6.25.5 does not apply. Transmission modification allowances are covered in 6.27
    A cooler trans would translate to less heat getting to the motor :-D, also since power steering is brought into the subject on 6.25 I figure the trans cooling could be argued.

    In spec miata there is a concept of a "weenie protest", a protest for something that doesn't help performance, for example there were guys welding and reinforcing up the diff housings since they frequently broke, they eventually passed a rule for it but no one would really protest because it would be a "weenie protest".

    A trans cooler would actually hurt performance because the cooler fluid would be more HP robbing.
    Tyler Gardner
    CMC #13 2015-2017
    SM #013 2018
    www.dfwmustangs.net

  3. #23
    Quote Originally Posted by mach1 View Post
    A trans cooler would actually hurt performance because the cooler fluid would be more HP robbing.
    Open up the restrictor or nitrous jet a bit more. The best part about restricted engines.

    - Josh
    CMC #50

  4. #24
    Senior Member Carroll Shelby
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    Quote Originally Posted by Sook View Post
    Open up the restrictor or nitrous jet a bit more. The best part about restricted engines.

    - Josh
    Hah! What about this, go to the dyno with cold drivetrain, let the motor warm up to 180, make your 3 runs with cold trans/gear oil, done. On track the oil heats up another 75F, 3whp more in racing conditions, trans/diff cooler would help minimize the delta here. No coolers would be a bigger advantage in this example.
    Tyler Gardner
    CMC #13 2015-2017
    SM #013 2018
    www.dfwmustangs.net

  5. #25
    Quote Originally Posted by mach1 View Post
    Hah! What about this, go to the dyno with cold drivetrain, let the motor warm up to 180, make your 3 runs with cold trans/gear oil, done. On track the oil heats up another 75F, 3whp more in racing conditions, trans/diff cooler would help minimize the delta here. No coolers would be a bigger advantage in this example.
    DOOOODE, stop giving away the secrets!
    CMC #50

  6. #26
    Senior Member Carroll Shelby RichardP's Avatar
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    Quote Originally Posted by mach1 View Post
    Hah! What about this, go to the dyno with cold drivetrain, let the motor warm up to 180, make your 3 runs with cold trans/gear oil, done. On track the oil heats up another 75F, 3whp more in racing conditions, trans/diff cooler would help minimize the delta here. No coolers would be a bigger advantage in this example.
    To effectively do this, you have to sit in the car with the clutch pushed in while it's warming up. If it is out of gear with the clutch out, the input shaft of the transmission is spinning. If the input shaft is spinning, the cluster gear is spinning. If the cluster gear is spinning, 1st, 2nd, 3rd, and 5th are spinning. With all those gears spinning in the fluid, the fluid heats up a bit. Not as much as if you are under power, but...


    Richard P.

  7. #27
    Senior Member Carroll Shelby
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    Quote Originally Posted by Sook View Post
    DOOOODE, stop giving away the secrets!
    You crazy mustang owners!!!
    Tyler Gardner
    CMC #13 2015-2017
    SM #013 2018
    www.dfwmustangs.net

  8. #28
    Senior Member Carroll Shelby Fbody383's Avatar
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    Quote Originally Posted by mach1 View Post
    You crazy mustang owners!!!
    Says the Musmata/Firmata guy...
    #39 CMC Camaro
    Orange is Fast!
    CMC-NT01 FTW!

  9. #29
    Senior Member Carroll Shelby
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    Quote Originally Posted by Fbody383 View Post
    Says the Musmata/Firmata guy...
    aka, Car Guy
    Tyler Gardner
    CMC #13 2015-2017
    SM #013 2018
    www.dfwmustangs.net

  10. #30
    Senior Member Carroll Shelby Supercharged111's Avatar
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    Quote Originally Posted by mach1 View Post
    You crazy mustang owners!!!
    We've been saying for years they're all cheaters. . .
    RM CMC Director

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