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Thread: VS V6 Auto to Manual Conversion. Help Needed

  1. #1
    Beno1982 is offline Beno
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    Default VS V6 Auto to Manual Conversion. Help Needed

    Hi there,
    I have finally come to the realisation that the auto has to go and be replaced with a manual. I have found a
    T5 complete conversion for $500. I know this is dirt cheap and would be mad to pass it down. The car is complete so i know all parts are still there. Now my problem is i have been told that i have to change the complete wiring harness is this true, or do i only have to change the gearbox wiring. I have also been told that i have to change the speed sensor aswell,
    Parts that i know i need, include,
    •Gearbox
    •ECU
    •Tailshaft
    •Brake and Clutch pedal box assembly
    •Flywheel
    •Fork
    Anyone out there that has done if you could kindly let me know what to do and how to go attack this and also let me know if i have missed anything in the list above would be great. Also are the diffs different from auto to manual, would it be wise to change this at the same time. My car is VS Sedan, the car that the conversion is coming out of is VS Ute both V6.

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    Beno1982 is offline Beno
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    Default

    i do know this is another conversion thread and theres many of them on here i have read the complete VN-VR conversion guide but still not sure if the VS is different in any way seems it has a different motor to the VN-VR commodore.

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    Yes, it has a different motor. Use the list of parts in that thread to work out what you need, as the conversion is essentially the same.

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    TrikkBen's Avatar
    TrikkBen is offline Compulsive.
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    Speak to this guy mate, he will sort the ECU and Loom side of things.

    eBay Australia Shop - trx100:

    There is no such thing as stupid questions, Only stupid people.

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    Beno1982 is offline Beno
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    Default Auto/Manual Diff

    thanks for the help does anyone know if the diffs were different going from auto to manual.

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    hey it depends if it a series1 vs or series2 if it a series1 vs it the same as a vr so u dont need to charge the wiring loom

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    manual looms are different to auto looms, you can mod the auto loom to work or replace with manual loom.
    What series it is wont make a difference when doing manual conversion.

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    dont forget gearbox crossmember. I got different computer from trx100 for my vs manual conversion (used vp gearbox).
    The auto and manuals have diferent plugs for the reverse lights and speedo, but these were supplied with the different computer purchased.
    Thecar ran like a turd without this computer by the way. The wiring loom is only from the computer (a big rubber grommet through the fire wall) around the engine and to the gearbox, not the whole car.
    Do not forget also the metal plate that is around the gear shifter, you will have to drill out 6 or 8 rivets, or you will have to make one up like i had to.
    Starter motor is different.
    There is some sort of spacer that the clutch cable does through into the firewall, i do not have this, and holden does not sell these anymore, so i have a bunch of washers there which is far from ideal, get this if you are able.
    This is all i can think of now, if i remember anything else i will let you know!!
    Oh and this is totally worth the pain of doing it by the way, car is heaps more enjoyable to drive (and does waay better skids.... ahem.. i mean, takeoffs, than an auto)

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    Oh, i also had issues with exhaust and the manual, it seems that there are diferences between auto and manual, with extractors at the least, unsure if it will be an issue with standard exhaust

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    Beno1982 is offline Beno
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    i like the word skids......hmmmmm...... i got no problem with getting all the parts mate just smashed his ute and wrote it off drink driving......yeah i know he a moron, but bonus is i can go to the car and get all the parts i need for mine for the conversion.....like they say one mans trash is another mans treasure.

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    i can tell you now, it is not a fun job to do, but it does pay excellent dividends!!! Soooo much better with a manual are these commodores!! Oh and the skids.......................... hehehe!!
    get his tyres too, you may need them

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    Beno1982 is offline Beno
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    Default TRX100 Computer

    Quote Originally Posted by venerableChicken View Post
    dont forget gearbox crossmember. I got different computer from trx100 for my vs manual conversion (used vp gearbox).
    The auto and manuals have diferent plugs for the reverse lights and speedo, but these were supplied with the different computer purchased.
    Thecar ran like a turd without this computer by the way. The wiring loom is only from the computer (a big rubber grommet through the fire wall) around the engine and to the gearbox, not the whole car.
    Do not forget also the metal plate that is around the gear shifter, you will have to drill out 6 or 8 rivets, or you will have to make one up like i had to.
    Starter motor is different.
    There is some sort of spacer that the clutch cable does through into the firewall, i do not have this, and holden does not sell these anymore, so i have a bunch of washers there which is far from ideal, get this if you are able.
    This is all i can think of now, if i remember anything else i will let you know!!
    Oh and this is totally worth the pain of doing it by the way, car is heaps more enjoyable to drive (and does waay better skids.... ahem.. i mean, takeoffs, than an auto)


    Venerable i have converted my car over now has been for a couple months but i got everything that was needed i even pulled the loom and computer out of the ute, but i did the same thing as what you have mentioned above and bought the computer and loom attachment from TRX100 as i did not want to go through the drama of replacing engine loom. Car runs fine everything works but i just wondering if you experienced any problems with it.

    My car sometimes will stall when i stop at a stop sign or taffic lights. If you had these problems can you let me know how to fix it if i can without replacing the loom,

    Thanks in advance

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    delcowizzid's Avatar
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    thats cause you got sold an auto ecu with error codes turned off they do that need a proper manual ecu and tune
    I tune the oldschool way fear on the passengers face and knuckle colour cant go wrong
    tabbacco is still my favorite vegetable

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    Beno1982 is offline Beno
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    Quote Originally Posted by delcowizzid View Post
    thats cause you got sold an auto ecu with error codes turned off they do that need a proper manual ecu and tune
    Thanks Delcowizzard,

    I removed the manual ECU out of the commodore when i done the conversion, i have read a few threads on here about yourself doing tunes, would you be able to do this for me if i sent the computer to you or does it need to be done with comp in the car.

    Also if error codes are turned off does that mean the engine warning light won't come on, because the engine warning light does come on after about 10/20 minutes of driving but i do believe that a couple sensors need replacing. I took car for a 200km round trip and it used half a tank, very unusual for my car.

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    menara200 is offline menara200
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    I had the same problem withny vs when I was slowing down it kept stalling and the engine light would come on, I just changed an oxy sensor and it fixed it all, if you know sombody with a computer put it on see what it says

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    beno, whats the service number on your computer ? i just found out theres 2 for the manuals,

    if you get the getrag one it still gives engine light isues. coz teh getrag uses simila sensor to the auto,
    im trying to hunt down a genuine T5 pcm if that work ill let you know asap.

    if not i have been told by holden to take my car to a tuner and get them to tune the memcal.

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    I have exactly same prob with my car dieing at lites and intersections etc so if I change oxy sensor should this fix problem??

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    my conversion did this, realised i hjad the wrong computer plrugged in put the computer from a genuine manual and no problems after that

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    fonzo could you please post the service number and the first 4 numbers on the little pink conector so i can try and find the correct pcm as well. they are verry hard to find.

    also did you keep the auto loom and did you change that to ?

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