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Thread: So, what did you do today?

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  1. 01-22-2015, 02:10 PM #1
    marshall_mosty
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    Pulled the transmission and found this...



    I broke the output shaft between the 3/2 gear set. Tony at Astro has NEVER seen an output shaft fail in this location. Time to send the 3/2 and cluster to him for a magnaflux and get a new 9310 steel output shaft prior to Cresson.
    Marshall Mosty
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  2. 01-22-2015, 02:40 PM #2
    mach1
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    Quote Originally Posted by marshall_mosty View Post
    Pulled the transmission and found this...



    I broke the output shaft between the 3/2 gear set. Tony at Astro has NEVER seen an output shaft fail in this location. Time to send the 3/2 and cluster to him for a magnaflux and get a new 9310 steel output shaft prior to Cresson.
    Impressive, must be that 600ft/lb that hits when you push the turbo boost button.
    Tyler Gardner
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  3. 01-22-2015, 03:00 PM #3
    Rob Liebbe
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    Quote Originally Posted by mach1 View Post
    Impressive, must be that 600ft/lb that hits when you push the turbo boost button.
    NOS in the roll cage is easier to hide from the inspectors.
    Rob Liebbe - Texas Region
    Camaro, Mustang, doesn't matter to me, I'll race it.
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  4. 01-23-2015, 07:52 PM #4
    jdlingle
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    How long had you been running that A5 shaft Marshall?
    2011- Texas Region CMC2 Rookie of the Year.
    2012- Broke with no car.
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  5. 01-23-2015, 10:54 PM #5
    marshall_mosty
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    John,
    The output shaft that broke was a stock T5 shaft with unknown time/miles. I've been thru about 6 transmissions and have parts to build several in the shop.

    It could range from 2-10 seasons of racing... I just don't know...

    I will be upgrading to the high alloy A5 shaft (only an extra $125) over a stock shaft.
    Marshall Mosty
    AI/SI Texas Regional Director
    2011 NASA-TX American Iron Champ
    AI #67 "Mosty Brothers' Racing" (RIP)
    ST6 #21 Toyota Corolla (being revived)...
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  6. 01-25-2015, 12:29 PM #6
    Supercharged111
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    Quote Originally Posted by marshall_mosty View Post
    John,
    The output shaft that broke was a stock T5 shaft with unknown time/miles. I've been thru about 6 transmissions and have parts to build several in the shop.

    It could range from 2-10 seasons of racing... I just don't know...

    I will be upgrading to the high alloy A5 shaft (only an extra $125) over a stock shaft.
    Since you're AI, why not just use a different transmission?
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  7. 01-25-2015, 01:13 PM #7
    mach1
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    Quote Originally Posted by Supercharged111 View Post
    Since you're AI, why not just use a different transmission?
    I would think a full A5 spec trans will be nearly bulletproof at his power level, and you keep the weight down with a t5.
    Tyler Gardner
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  8. 01-25-2015, 06:00 PM #8
    marshall_mosty
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    Quote Originally Posted by Supercharged111 View Post
    Since you're AI, why not just use a different transmission?
    I could have used something different, but just chose to do the T-5 route again. Hopefully with the upgraded mainshaft, I won't have any more issues going forward.
    Marshall Mosty
    AI/SI Texas Regional Director
    2011 NASA-TX American Iron Champ
    AI #67 "Mosty Brothers' Racing" (RIP)
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