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Gearbox need help

Discussion in 'VE Holden Commodore (2006 - 2013)' started by Megan***, May 22, 2020.

  1. Megan***

    Megan*** New Member

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    Hi
    I’m getting some work done to my partners VE, have just got a custom built tailshaft made and getting diff upgraded with trutrac. But I’ve been told the main shaft in the gear box has a run out. I don’t really know a lot about cars and not being given a lot of info from the shop. Not sure if I’m better off getting him a new gearbox and if so do I do a standard one tr6060 currently or is there a way to upgrade it? They are telling me just to pull gear box out and assess it will cost me $1000 plus extra for any repairs or at that point decide if I just get a new one. Any advice would be greatly appreciated
     
  2. 07GTS

    07GTS Well-Known Member

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    what power are u putting thru it ? the manual gearbox will handle a fair bit just have to upgrade clutch
     
  3. Megan***

    Megan*** New Member

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    353kw at wheel, just about to put in custom performance tailshaft and diff upgraded with truetrac and getting 3.9 ratio. Have already upgraded clutch with twin plate ceramic when we got cam,otr, exhaust done.

    but now I’m being told I have to done work to the gearbox as well because of the runout??
     
  4. 07GTS

    07GTS Well-Known Member

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    runout ?? ive been pushing 14psi boost on ethanol thru my stock manual just with clutch upgrade, u should have no issues
     
  5. Megan***

    Megan*** New Member

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    I’ve been told by the shop the the main shaft in gearbox has a runout and that I either have to get a new gearbox or get this one repaired but he’s telling it can be more expensive to repair as just for them to look at it properly it’s $1000 and extra for what ever is wrong with it, he’s telling me I should just get a new one ‍♀️ And I really don’t understand much about cars
     
  6. _R_J_K_

    _R_J_K_ Well-Known Member

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    So there's something that's now out of tolerance internally or something. Is it making a noise or is there some other symptom that is making this guy think this?

    What kind of work is being done?

    From quickly googling, "runout" seems to be something around alignment with the bell housing.
     
    Last edited: May 22, 2020
  7. Megan***

    Megan*** New Member

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    I have no idea. It’s at a diff and gearbox specialist. I put it in to get the diff, gear selector and tailshaft repaired, he’s then come back and said about the runout and said we can leave it which is a risk or get a new gearbox
     
  8. losh1971

    losh1971 Well-Known Member

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    Who is doing the work, Shimtech?
     
  9. Megan***

    Megan*** New Member

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    precision differential and gearbox
     
  10. greenacc

    greenacc Searching for the billion

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    Depends how much you trust them and how much money you have. Run-out essentially means it runs a bit off center and will probably cause a slight wobble in the tailshaft. Did you feel a lot of vibration under your bum before?
     
  11. shane_3800

    shane_3800 Active Member

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    I've never seen one of these boxes get "run out" you would hear a bearing noise because run out is the shaft moving off centre. The shaft being bent is not run out but could be mistaken for run out if it was bent how did it get that way?
     
  12. 07GTS

    07GTS Well-Known Member

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    was the tailshaft being replaced because it was an issue flogged out centre bearing or something and was flopping around for ages ? otherwise i cant see too much causing the runout on the rear output shaft
     
  13. Megan***

    Megan*** New Member

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    Car has a cam so feel a lot of vibration from that. Was told the runout was from a minor bend, have been sent pics not like I understand them lol.

    pretty much after we got engine upgrades which we were told at the time the diff would hold up, well the diff didn’t hold up and it broke which caused the tailshaft to twist and snap in 2 places which also damaged the gear selector housing

    last night received quote for gearbox repair stating at $4700 and can go up or new gearbox for $6300 think I’m just going to get the new one
     
  14. losh1971

    losh1971 Well-Known Member

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    Ouch........
     
  15. Megan***

    Megan*** New Member

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    Yeah ouch alright total for everything being fixed is about $13000 and I kinda feel like I’m just getting roped into spending more and more
     
  16. shane_3800

    shane_3800 Active Member

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    Well the tail shaft breaking explains the output shaft being bent. Maybe get another quote on the gearbox repairs because it shouldn't cost $4700 to change the shaft that sounds like a full rebuild.
     
  17. Megan***

    Megan*** New Member

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    yeah I didn’t think it would be that much to repair, but they have told me that $4700 is starting point and will likely go up from there. I’m just going to get a new gearbox put in rather get a job done properly first time round. The quoted amount also includes a new sports shifter being custom built into gear selector (no idea what that really means) but was told it will make the car stronger and better to drive for him

    I’ve rang so many other places about gearbox but they’ve all said they will only do auto not manual and it’s easier just getting it all done at the one place. And everyplace has recommended the place the car is currently at
     
  18. shane_3800

    shane_3800 Active Member

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    Yea a new one will be good. The shifter changes the length of movement on the gear knob it's self. So it will be shorter making it faster to select gears it is made from billet steel so is technically stronger yes but it's not really a weak point unless a tail shaft hits it lol.
     
  19. MYVESSV8

    MYVESSV8 Well-Known Member

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    https://malwoodauto.com.au/product/hurst-short-throw-shifter-assembly/ is a tremec specialist
    or use a rip shifter (google it)
    these are custom shifters which are proven in the VE commodore for the tremec gearbox's
    depending on the year model Holmart have new g/box's
    https://www.holmart.com.au/holden-ve-vf-tremec-tr6060-v8-gearbox-6-speed-manu
    https://www.holmart.com.au/holden-ve-vf-series-1-v8-gearbox-tremec-tr6060-6-s
    https://www.holmart.com.au/holden-ve-v8-tr6060-6-speed-manual-gearbox-tremec
    check these out, seems too expensive too me
     

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