Putting 11-14 MT82 in S550

Discussion in 'GT350 and S550 Technical Forum' started by boardkat, Jun 8, 2018.

  1. boardkat

    boardkat CAMtard

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    Sourced a hurt S197 transmission to rebuild. Getting mixed messages from my research on what needs to be changed to work with an S550. I know the driveshaft flange needs to be changed from 4-bolt to 3-bolt, and the shifter assembly is different (but I *think* the MGW I’ll be bolting on negates this issue), but is there anything else? VMP lists the tailshaft being different, but when I reached out to Mike @ Autonation White Bear Lake, he told me the part numbers are the same for 11-14 and 15+. Has anybody done this and can speak from experience, or point me in the right direction? Thanks!
     
  2. blacksheep-1

    blacksheep-1 TMO Addict

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    I'm not sure I understand the direction you are heading. most guys replace the MT82 with a Tremec, why are you wanting to run this trans?
     
  3. boardkat

    boardkat CAMtard

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    Many reasons.

    1.) Weight - 30-35lbs is considerable when efforts are being made to get down to minimum class weight of 3250
    2.) Significant existing investment in driveshaft/clutch/flywheel/shifter
    3.) Type of usage - autox/dd, so not exposed to the same kind of conditions (shock, heat) as track/drag builds that the MT-82 has known issues with. That said, I’ll be rem coating/cryo treating my gearset to give them as much strength as I think I’ll need for increased durability.
     
  4. blacksheep-1

    blacksheep-1 TMO Addict

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    OK, well that's reasonable..my suggestion is to give AJ a call at Phoenix as they will prolly know what to change and may have the parts sitting around some place
     
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  5. steveespo

    steveespo Lord knows I'm a Voodoo Child Moderator

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    Output flange and shifter specific to chassis. That is it, I did this the other way ‘16 to ‘11.


    Sent from my iPhone using Tapatalk
     
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  6. boardkat

    boardkat CAMtard

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    Yep, that jives with all the other information I've seen and spoken to people about. Thanks for the real-world feedback! Glad Ford didn't make it too complicated! :)
     

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