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Thread: Is my gearbox crooked?

  1. #1
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    Default Is my gearbox crooked?

    Does this look right? It looks like my gearbox sits way too far to the drivers side. Its been like this since i bought the car, but never really bothered to look into it further




    1995 Manual HSV Clubsport
    Wade Cam :: 9.2:1 CR :: Pacemaker headers :: Twin 2.5" Exhaust :: VT Brakes
    1991 Supercharged VN Berlina
    9 PSI SC14 Intercooled :: Genie headers :: Twin cats :: HM Twin 2.25 exhaust :: 3.45:1 LSD




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    GTP 85's Avatar
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    you could have the gb crossmember in the wrong way around. the holes for the gb mount sit slightly offset to one side.
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  3. #3
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    yea i think thats in the right way. one side of the mount drops down lower than the other, so i think i got that right

    1995 Manual HSV Clubsport
    Wade Cam :: 9.2:1 CR :: Pacemaker headers :: Twin 2.5" Exhaust :: VT Brakes
    1991 Supercharged VN Berlina
    9 PSI SC14 Intercooled :: Genie headers :: Twin cats :: HM Twin 2.25 exhaust :: 3.45:1 LSD




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    Highly unlikely unless you have an engine mount that is very broken and the rear cross member is also badly bent. The rear only goes on one way as it's sort of j shaped. Another option is your gb is broken but it wouldn't be running if that were the case. Are you sure the plate that is riveted to the tunnel is aligned properly???

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    Pretty sure that they should be in the middle.
    Get under it and check your tail shaft, i bet its not running straight into the centre joint.
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  6. #6
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    hmm that could be another possibility. engine mounts are fine.

    1995 Manual HSV Clubsport
    Wade Cam :: 9.2:1 CR :: Pacemaker headers :: Twin 2.5" Exhaust :: VT Brakes
    1991 Supercharged VN Berlina
    9 PSI SC14 Intercooled :: Genie headers :: Twin cats :: HM Twin 2.25 exhaust :: 3.45:1 LSD




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    GTP 85's Avatar
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    Quote Originally Posted by Reaper View Post
    Highly unlikely unless you have an engine mount that is very broken and the rear cross member is also badly bent. The rear only goes on one way as it's sort of j shaped. Another option is your gb is broken but it wouldn't be running if that were the case. Are you sure the plate that is riveted to the tunnel is aligned properly???

    Reaper
    i beg to differ.. there is another 'platform' that bolts on top of the crossmember itself (dont know exact names). that is what has holes offset for the gb mount to bolt on to. Worth a look anyway.... you had you running gear completely pulled out at one stage, so things MAY have not gone back correctly, just a possibility

    I have made the mistake myself before..

    i doubt it would be the shifter plate on the floor, cause the gear stick sits no where near middle in relation to the console (radio section)
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  8. #8
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    ok well i just fit my billet shifter and tried a few things. i took off the gearbox mount and the box didnt really move at all. still sits crooked a bit. could there be something wrong around the engine mount area?

    i flipped the gearbox mount around and reinstalled it, but the holes wouldnt line up so i figured that was wrong.

    after i fit the billet shifter, and jacked up the box to reinstall the mount, the side of the shifter caught onto the hole and knocked off the ring that holds the rubber boot on, so its definately way too far to the drivers side. will have to try fix that ring and figure out whats causing this

    1995 Manual HSV Clubsport
    Wade Cam :: 9.2:1 CR :: Pacemaker headers :: Twin 2.5" Exhaust :: VT Brakes
    1991 Supercharged VN Berlina
    9 PSI SC14 Intercooled :: Genie headers :: Twin cats :: HM Twin 2.25 exhaust :: 3.45:1 LSD




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    I've got my money on the front rails being bent from that previous stack, might be stretchy rack time

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    hmm that all seemed to be suspension related though. wheel hit a gutter. havent found any other evidence of accident damage. i know my vn has a few noticable things such as bent metal near the airbox where the engine bolts up to the guard, and the headlight bracket has a few bends in it. i havent found anything too bad with the vr

    1995 Manual HSV Clubsport
    Wade Cam :: 9.2:1 CR :: Pacemaker headers :: Twin 2.5" Exhaust :: VT Brakes
    1991 Supercharged VN Berlina
    9 PSI SC14 Intercooled :: Genie headers :: Twin cats :: HM Twin 2.25 exhaust :: 3.45:1 LSD




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    i had a look under my VN just now. it would have to be massively out of wack to have the gearbox that far across. I know u said you tried turning the gb mount around and it didnt fit.... but did you try removing the mount from that other section (sits on top of crossmember), and flip that around??
    Hit me up with some reputation points if i've helped you out! (Star in the bottom left!) Cheers!

    GT Performance RUF 231- NA 3.8L- 13.30 @ 103 Mph... So far... Cam, compression and revs! MY CAR>> http://forums.justcommodores.com.au/...tml#post471410
    Daily VR SS: http://forums.justcommodores.com.au/...ite-vr-ss.html

  12. #12
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    Quote Originally Posted by REV-231 View Post
    i had a look under my VN just now. it would have to be massively out of wack to have the gearbox that far across. I know u said you tried turning the gb mount around and it didnt fit.... but did you try removing the mount from that other section (sits on top of crossmember), and flip that around??
    yeah what i did was unbolt everything. flipped over the bit that goes on the bottom of the gearbox and top of the mount. then put the mount on the same way that it came off. i could give it another shot, possibly with an engine crane supporting the engine a bit to allow a bit more free movement. its quite possible that the previous owner put the mount on backwards. i think i did this to my VN, as i noticed my exhaust is crooked on my VN after putting the new mount on

    1995 Manual HSV Clubsport
    Wade Cam :: 9.2:1 CR :: Pacemaker headers :: Twin 2.5" Exhaust :: VT Brakes
    1991 Supercharged VN Berlina
    9 PSI SC14 Intercooled :: Genie headers :: Twin cats :: HM Twin 2.25 exhaust :: 3.45:1 LSD




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    Yeah pretty sure thats way wrong, I put a 5 speed in my vr v6 and it sits nicely in the middle of the tunnel. Can;t really give any advice as to why though... mount maybe? or as greenfoam said bent chassis. good luck man

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    does the tail shaft appear to be in a straight line all the way from the diff pointing to the center of the front of the car?

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  15. #15
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    nah from memory its on a slight angle to meet the gearbox. an idea in another thread is that i could have an auto crossmember. i will need to find some comparison pictures of auto/manual

    1995 Manual HSV Clubsport
    Wade Cam :: 9.2:1 CR :: Pacemaker headers :: Twin 2.5" Exhaust :: VT Brakes
    1991 Supercharged VN Berlina
    9 PSI SC14 Intercooled :: Genie headers :: Twin cats :: HM Twin 2.25 exhaust :: 3.45:1 LSD




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    is your car factory manual?
    Hit me up with some reputation points if i've helped you out! (Star in the bottom left!) Cheers!

    GT Performance RUF 231- NA 3.8L- 13.30 @ 103 Mph... So far... Cam, compression and revs! MY CAR>> http://forums.justcommodores.com.au/...tml#post471410
    Daily VR SS: http://forums.justcommodores.com.au/...ite-vr-ss.html

  17. #17
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    nah it was originally auto. it seriously wouldnt surprise me if the last owner was dodgy about it and used the auto crossmember

    1995 Manual HSV Clubsport
    Wade Cam :: 9.2:1 CR :: Pacemaker headers :: Twin 2.5" Exhaust :: VT Brakes
    1991 Supercharged VN Berlina
    9 PSI SC14 Intercooled :: Genie headers :: Twin cats :: HM Twin 2.25 exhaust :: 3.45:1 LSD




  18. #18
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    When I put my short shifter into my vs ss I notice my gearbox is in the SAME position yours in (slighting more to the right). Though I did not think much of it? I just thought that's just how it was spose to be!

  19. #19
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    put the car on a hoist or axle stands as high as it will go and take a pic looking forward from under the fuel tank and then do the same thing from the front looking back. If it looks like there is a bend (left/right) in the driveline then there will be an issue. If everything is pointing straight up/down the car then maybe not.

    ie: I not < (or >)

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    Quote Originally Posted by skruba View Post
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    GTP 85's Avatar
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    Quote Originally Posted by Vs_ss_gmtank View Post
    When I put my short shifter into my vs ss I notice my gearbox is in the SAME position yours in (slighting more to the right). Though I did not think much of it? I just thought that's just how it was spose to be!
    It can't be factory position though, cause where Stocky's gb sits he wouldnt even be able to clip on the rubber cover (from gb to floor plate) on properly.
    Hit me up with some reputation points if i've helped you out! (Star in the bottom left!) Cheers!

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    Daily VR SS: http://forums.justcommodores.com.au/...ite-vr-ss.html

  21. #21
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    couple of pictures of my crossmember. does it look like the mount is on the right way?



    1995 Manual HSV Clubsport
    Wade Cam :: 9.2:1 CR :: Pacemaker headers :: Twin 2.5" Exhaust :: VT Brakes
    1991 Supercharged VN Berlina
    9 PSI SC14 Intercooled :: Genie headers :: Twin cats :: HM Twin 2.25 exhaust :: 3.45:1 LSD




  22. #22
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    hey mate i have a t5 sittin in the shed now just checked out the mount its the same as that one you have photos of...


    the higer side of the mount bolts to the passenger side of the car and the lower side bolts to the drivers

    also wats the rubber mount itself like

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    hey man, the gearstick on my v6 t5 sat a bit to one side but now it's out i can't remember which way.
    when i've got a bit of free time i'll take the cross member off the v8 t5 and take some photos for comparison.
    and when the new gear's in i can see how it mounts up, might give you an idea if it's rack time.

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    also how is it bolted to the bell housing all holes line up properlly or are they off this is really wierd...

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    Is your engine straight? Take a look either side of the fron rails and measure the distance between the exhaust manifolds and the rails... if the transmission is bolted to the engine correctly then there is no way it could bend without moving the engine slightly... it may be a bit hard to tell but judging by the distance the GB is from where it is meant to be, your most likely gonna see something.

    As said, is the centre plate mounted properly?

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