Renault 18 running gear conversion
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  1. #1
    Tadpole
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    Default Renault 18 running gear conversion

    After many years of procrastinations I have finally decided to pull the running gear out of the fuego sitting in the backyard and fit it into my beloved 1979 R18. Many years ago (before I got it) it had a fuego engine and gearbox fitted into it which my wife and I drove it happily until it was time to retire it to the garage. When I last enquired about putting it on ch plates I was told that due to it not being original it would not pass. The plan is to put the fuego rear end and discs on it to make it into a "replica" R18 GTX to get it on ch plates. Does anyone know if the rear end and front hubs will just swap across easily or will there need to be major retro fitting etc?

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  2. #2
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    Hi Dave

    The front end is completely different , the lower wishbones are a different width, hubs are different as are the ball joints and the control arms off the steering rack.
    You can use a series 1 Fuego rear axle and change the Fuego hubs for R12wagon 15/17 rear hubs
    If you've got too much traction, you haven't got enough horse power ...




    .2010 Holden Commodore Ute
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  3. #3
    Tadpole
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    hhmm ok. if I was to pull it all out and do a total front end and rear end swap including four stud hubs and wheels d i you know if it would all just bolt in?

  4. #4
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    mistareno's Avatar
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    No. The mounting points for the wishbones are different.

    The lower wishbones are symetrical on a r12/18 whereas the wishbones on a Fuego are asymmetric.

  5. #5
    COL
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    I think it would work if you got the series 2 R18 (with 4 stud wheels) but I'm not sure that they were imported here
    Regards Col

    1973 Renault R12 Station Wagon
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  6. #6
    Fellow Frogger!
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    How much difference is there in brake size between 17 discs and fuego? R17 front hubs, discs, and calipers should fit 18 (could convert to 4 stud if you want). Otherwise, what hubs/ brakes do 18gtx use? Can you import some? For the rear do you need discs or can you use a wagon rear end? (with fuego drums if you want 4 stud).

  7. #7
    Tadpole
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    I dont know ... that is the ultimate question ... what was on the GTX ???? any body know? maybe i can work backwards from there

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