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Thread: 1G Conversion into a pre 85' hilux

  1. #1
    Forum Member 1st year Apprentice
    Join Date
    Jan 2008
    Location
    Queensland
    Posts
    19

    Default 1G Conversion into a pre 85' hilux

    Hey guys,

    Just been reading thru the old forums in search of a little more info on the 1g conversion into the earlier model hilux... And everyone goes for the 85 or newer to fit these motors in.

    Why?!? Is it cause of a weight, brake or room problem? I cant see any obvious reasons


    So the question lays, has anyone got any pics and or/info about fitting 1g in a 3/81 hilux?

    Thanks in advance,

    Simon

  2. #2
    sir Grease Monkey
    Join Date
    Oct 2006
    Location
    tasmania
    Posts
    160

    Default Re: 1G Conversion into a pre 85' hilux

    its just a lot less work and money than fitting a 1j into a later model and probably easier to get legal but a killer conversion all the same. cheers bigwad

  3. #3
    Forum Member
    Join Date
    Dec 2007
    Location
    QLD
    Posts
    1

    Default Re: 1G Conversion into a pre 85' hilux

    I have an 83 dual cab, with a 1GGTE conversion.
    I don't know how hard it is to put these motors into later ones, but in mine, the sump had to be modified to clear the front crossmember, and the firewall has had pretty major surgery to clear the turbos. It might be a different story if you were running a single turbo straight off the bat, but as you will know this is a problem, as it's right where the handbrake comes thru. I have the Supra handbrake setup in mine, on the transmission tunnel. You also need to raise the tailshaft centre bearing up slightly. I'm just about to do this on mine now. This may not be a problem if you keep it stock height, however.
    Apart from that, they look quite at home in early Hiluxes.

  4. #4
    Junior Member Backyard Mechanic scottreichstein's Avatar
    Join Date
    Aug 2011
    Location
    South Australia
    Posts
    241

    Default Re: 1G Conversion into a pre 85' hilux

    im in the process of puttin a 1ggte in an 81 single cab 2wd tray top putting a single turbo on for room i have read that the twin turbos get in the way of the firewall will keep posted on how it goes in

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