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Thread: RA28 - Easier conversion - 1uz OR 1jzgte

  1. #1
    Mad Man Grease Monkey 77GZE's Avatar
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    Default RA28 - Easier conversion - 1uz OR 1jzgte

    Well, as the topic says, im in the market for a sleeper ra28, and im gonna make it move.
    Ive been tossing up between these two engines,
    and ive read alot on the forums about the two, but no one has yet compared the two conversions.
    I know i would much rather the 1uz(full alloy) lighter, more loveable rumble
    but you see i love boost, so i love th 1j
    1uze engine fits easier, but requires steering changes,
    1jz where as, i have not found much information on it, so as you can see i have a wide range of questions about the two conversions, and would love it if people more in the know could give me a rundown list of whats required (major mods) to do them both!
    Steve

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    Junior Member Carport Converter RAd28's Avatar
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    Default Re: RA28 - Easier conversion - 1uz OR 1jzgte

    from what i can tell, the 1JZ would be the easiest, for the fact that it's been done a whole stack more times then a 1UZ conversion... just hasn't been documented like the 1G conversion 'cause i presume it'd mostly be custom work. i like the idea of a 1UZ, 'cause it's NA, in my opinion from the amount of work either way, it'd come down to what your looking for in your weapon, might be worth considering that the 1UZ is only auto, unless your got heaps of $$$ for one of the few manual conversion kits...
    '77 RA28LT #2 ← 2.2L 18RG...

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    Mad Man Grease Monkey 77GZE's Avatar
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    Default Re: RA28 - Easier conversion - 1uz OR 1jzgte

    Yeh, well personally i love the feeling of a 1jz, and only thing is...there aint dick all information on doing it! so im chasing a rundown on whats required for both. Im aware of the non-manual capeabilitys without being rich for the 1uz! but thats a dream

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    potato Automotive Encyclopaedia joecoolmk2's Avatar
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    Default Re: RA28 - Easier conversion - 1uz OR 1jzgte

    Quote Originally Posted by 77GZE
    Yeh, well personally i love the feeling of a 1jz, and only thing is...there aint dick all information on doing it! so im chasing a rundown on whats required for both. Im aware of the non-manual capeabilitys without being rich for the 1uz! but thats a dream
    it isn't as dear as you make it out to be, what you'd spend on a manual 1jzgte halfcut would probly cover making a manual 1UZ.

    the main problem with a 1UZ is that it's more expensive to make big power, because it's all custom work for any performance parts, and cams are expensive too.

    the 1jz would be better if you wanna go real fast.
    beer me!

  5. #5
    Junior Member Domestic Engineer Pube's Avatar
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    Default Re: RA28 - Easier conversion - 1uz OR 1jzgte

    Whatever you choose and if it will be a manual you will have to go w58 as an r154 will not fit in the tunnel without some "mods"
    SOLD : 1GGTE Rt142 Corona - Twin TD04-9b turbos - 180rwkw = 13.1 @105mph

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    Mad Man Grease Monkey 77GZE's Avatar
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    Default Re: RA28 - Easier conversion - 1uz OR 1jzgte

    Yeh so thats what im getting at, the w58s for 1jzgte isnt that hard ey? Also, can anyone refer any information, such as engine mounts, gearbos crossmembers, radiator information, turbo clearance, steering mods if required, all that shit...
    Well keen ay!

  7. #7
    Junior Member Domestic Engineer
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    Default Re: RA28 - Easier conversion - 1uz OR 1jzgte

    both are in their infancy stages but it would have been the first place to go i would have thought...
    a thread for 1jz conversion into ra28:
    http://www.toymods.net/forums/showthread.php?t=6074
    a thread for 1uz conversion into ra28/40/mx22:
    http://www.toymods.net/forums/showthread.php?t=5142

    post your questions in there rather than starting another thread on exactly the same topic...

  8. #8
    User Conversion King
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    Default Re: RA28 - Easier conversion - 1uz OR 1jzgte

    either way you will need R&P steering
    hello

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    potato Automotive Encyclopaedia joecoolmk2's Avatar
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    Default Re: RA28 - Easier conversion - 1uz OR 1jzgte

    yes, if you want to do a 1UZ conversion to almost anything(except the exceptionally larger cars) you need r&p steering, custom mounts, and possibly custom exhaust headers.

    also remember, if it's going to be crammed into a smallish car(celica, mk2) it makes it very hard to work on without removing the whole engine. that said, you should make your engine mounts easy to undo.
    beer me!

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    Junior Member Carport Converter RAd28's Avatar
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    Default Re: RA28 - Easier conversion - 1uz OR 1jzgte

    fair point about the manual conversion compared with the 1JZ... and performance for the 1UZ isn't nearly as hard (hard... not expesive) as you might think... check out bullet roadsters, or sprintex superchargers, i've been told about a bolt on supercharger kit for the 1UZ that'll push over 600hp on stock internals, mind you you'll need after market manifold, injectors ecu, zorst and everything else, but substantial power with out that much work isn't just a pipe dream. but yeah, IMO, either conversion is gonna be a lot of custom work, one of those things where you're probably better to just get an engine, and work toward getting it in place, fixing probs as your find them... not nearly as easy as the 1G...
    '77 RA28LT #2 ← 2.2L 18RG...

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    Junior Member Automotive Encyclopaedia
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    Default Re: RA28 - Easier conversion - 1uz OR 1jzgte

    Even if the turbos foul on the steering box to keep the twins just make up a custom pipe manifold for the turbos . The way toyota made the 1j twin turbo dont spoil it by going the easy way of a big single .
    Dave

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    Default Re: RA28 - Easier conversion - 1uz OR 1jzgte




    ......making.....






    only problem is that you wont have much of a sleeper with a bogan sized bonnet scoop
    hello

  13. #13
    potato Automotive Encyclopaedia joecoolmk2's Avatar
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    Default Re: RA28 - Easier conversion - 1uz OR 1jzgte

    now all i need is for you to tell me where and how much and i'm set!
    seriously, where from?
    beer me!

  14. #14
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    Default Re: RA28 - Easier conversion - 1uz OR 1jzgte

    its on the adaptronic website
    hello

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    Junior Member Carport Converter RAd28's Avatar
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    Default Re: RA28 - Easier conversion - 1uz OR 1jzgte

    Sorry brett...but there's no way that engine pictured is making 212Kw... factory stock is almost 200... that graph is just for a stock engine with the adaptronic ECU

    a supercharged 1UZ is more likely to make 300-400KW without getting serious in the mods department

    Toyota australia raced a STOCK INTERNAL (though i suspect those internals had been modified) 1UZ powered modified drag car putting out over 1000Kw...
    '77 RA28LT #2 ← 2.2L 18RG...

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