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Thread: 4agze to sw20 gearbox help

  1. #1
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    Default 4agze to sw20 gearbox help

    hi guys , im currently doing a mr2 gearbox conversion into my mazda wagon as the gearboxes are crap. i have found a problem, the 4agze bellhousing is 2mm too small for my flywheel to fit inside, which is obviously a major problem

    do u guys know if a celica GT4 bellhousing is any bigger for the 3sgte? and can i get one of these boxes and just remove the transfer

    i already have a e51 box with trd clutchpack lsd i wanted to use , so i will swap the internals over to the new box and run it as a fwd box...

    does anyone know if this is the case with the bell housing and does anyone know where i can get a blown gt4 box i can use for the bellhousing? or even a mr2 sw20 E series bellhousing?

    i got quoted 895 for a complete good gt4 box which is far too expensive for what im needing

    thanks

    Ross

  2. #2
    Junior Member Carport Converter Mooro's Avatar
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    Default Re: 4agze to sw20 gearbox help

    The GT4 gearbox won't bolt onto the back of a 4agze without lots of work. I would have thought a better/easier option would be to use the correct 4agze flywheel and E series gearbox which be a bolt on affair.

  3. #3
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    Default Re: 4agze to sw20 gearbox help

    im not using a 4agze im using a mazda bp motor so im making an adapter plate regardless so it doesnt really matter what shape it is

  4. #4
    Junior Member Carport Converter Mooro's Avatar
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    Default Re: 4agze to sw20 gearbox help

    Ahh ok in that case I can't help you ...maybe do a search for 3sgte flywheel diameters vs 4agze flywheel diameters which should give you some idea...

    I think there was an ST185 GT4 box for sale on here for a couple of hundred dollars or maybe it was ozcelica...

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