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Thread: Allison trans overhaul

  1. 02-29-2016, 08:43 PM #1
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    Default Allison trans overhaul

    5 speed behind a LMM Duramax. Rebuilding with PPE Stage 4 kit. Trans can withstand 850hp and 1500 ft lbs of torque. This will be a stout Duramax with a trans that will hold up. Few pics for you Allison guys...







    More fuel = more boost!!
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  2. 02-29-2016, 08:44 PM #2
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    More fuel = more boost!!
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  3. 02-29-2016, 08:49 PM #3
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    Order you a PTO adaptor for motor stand. That sob is heavy ain't it
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  4. 02-29-2016, 08:50 PM #4
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    It's a beast.
    More fuel = more boost!!
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  5. 02-29-2016, 08:51 PM #5
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    That looks fun
    "Eventually, all things merge into one, and a river runs through it. The river was cut by the world's great flood and runs over rocks from the basement of time. On some of the rocks are timeless raindrops. Under the rocks are the words, and some of the words are theirs.
    I am haunted by waters" Norman Maclean.
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  6. 02-29-2016, 08:53 PM #6
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    Georend pto cover for the c3 clutch too. Check them out. It diverts spent oil back to the c3 clutch to cool it.
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  7. 02-29-2016, 09:09 PM #7
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    Cool, what's the guy doing to the motor? What is the expected HP?
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  8. 02-29-2016, 09:12 PM #8
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    Quote Originally Posted by Chessbay View Post
    Cool, what's the guy doing to the motor? What is the expected HP?
    Tune
    Twin turbo
    Intake
    Bigger injectors

    Several more small goodies.

    He's expecting 850 HP at the crank and 1200 ft lbs of torque
    More fuel = more boost!!
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  9. 02-29-2016, 09:18 PM #9
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    Reckon crank will stay together?
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  10. 02-29-2016, 09:19 PM #10
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    How many miles were on that transmission before starting this project? Was it giving any trouble before this overhaul? Curious as I have 271K miles on mine.
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  11. 02-29-2016, 09:22 PM #11
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    Quote Originally Posted by santeeswamper View Post
    Reckon crank will stay together?
    Carrillo rods, pistons, etc. Should be interesting.
    More fuel = more boost!!
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  12. 02-29-2016, 09:23 PM #12
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    Are those the year models with 2 piece cranks?

    Sent from my XT1254 using Tapatalk
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  13. 02-29-2016, 09:24 PM #13
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    Quote Originally Posted by Two Barrels View Post
    How many miles were on that transmission before starting this project? Was it giving any trouble before this overhaul? Curious as I have 271K miles on mine.
    180k

    No issues. Trans is normally the weakest link when tuning and "building".
    More fuel = more boost!!
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  14. 02-29-2016, 09:26 PM #14
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    Damn.

    Even built that might come apart..........most guys are in the 500hp range. I know nothing about what kit you are installing though.
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  15. 02-29-2016, 09:26 PM #15
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    LMM does have a 2 piece crank. I even heard of a few stock ones snapping.
    More fuel = more boost!!
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  16. 02-29-2016, 09:27 PM #16
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    07.5 -10 is the LMM Duramax.
    More fuel = more boost!!
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  17. 02-29-2016, 09:32 PM #17
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    Talk is cheap, it may just end up with 5 tunes before it's all said and done.
    More fuel = more boost!!
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  18. 02-29-2016, 09:34 PM #18
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    Quote Originally Posted by KRT View Post
    Talk is cheap, it may just end up with 5 tunes before it's all said and done.
    Why wait?? Don't be scared lift the heads and be done with it. Open your toolbox and wallet!
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  19. 02-29-2016, 09:36 PM #19
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    I ain't skeered.
    More fuel = more boost!!
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  20. 02-29-2016, 09:37 PM #20
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    I'm going to be in Rowesville a good bit soon. I'm going to stop by.
    More fuel = more boost!!
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