yota fanatic's s13 rear subframe swap

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  1. #1
    CelicaSupra.com Member yota_fanatic's Avatar
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    yota fanatic's s13 rear subframe swap

    I decided to ditch the old trailling arm setup and go with a more modern suspension setup.
    After some research I chose the s13 240sx.
    Tons of aftermarket support, plenty of diff options, and easily converted to 5 lug.

    using my parts car for mock up


    front mounts extended



















    I still have to finish boxing and welding the rear mount pads and figure out what coilovers to use.
    1984 White MKII P-Type, 2jzge
    1985 Black P-type 1jzgte vvti
    1996 sc300 2jzget

    Need precision welding?

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  3. #2
    CelicaSupra.com Member MrBubbles00482's Avatar
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    Nice, a couple other people have done this as well. I have a full rear s13 subframe sitting on a shelf waiting to get this done too.

    So you extended the fronts of the s13 subframe to fit to the supras stock studs? Are the rear studs you added in cut from an s13 or did you make those?
    1985 P-type "Elvira" Blue inside out.
    2jzge/w58 swapped

    MECP advanced autotech

  4. #3
    Whistles racerxj220's Avatar
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    Looking great, William!

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  6. #4
    CelicaSupra.com Member yota_fanatic's Avatar
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    Quote Originally Posted by MrBubbles00482 View Post
    Nice, a couple other people have done this as well. I have a full rear s13 subframe sitting on a shelf waiting to get this done too.

    So you extended the fronts of the s13 subframe to fit to the supras stock studs? Are the rear studs you added in cut from an s13 or did you make those?
    Yeah I know but non of them shown any good pictures on how they have done it. So I decided to make a thread on how I am doing it.
    Yes extend the front. Make new mounting locations for the rear. The rear studs are the rear mkii studs.
    1984 White MKII P-Type, 2jzge
    1985 Black P-type 1jzgte vvti
    1996 sc300 2jzget

    Need precision welding?

  7. #5
    CelicaSupra.com Member MrBubbles00482's Avatar
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    Quote Originally Posted by yota_fanatic View Post
    Yeah I know but non of them shown any good pictures on how they have done it. So I decided to make a thread on how I am doing it.
    Yes extend the front. Make new mounting locations for the rear. The rear studs are the rear mkii studs.
    Exactly!, no one has had in depth documentation on it with pics like this I don't believe.

    Nice, and all the studs are the proper size?
    1985 P-type "Elvira" Blue inside out.
    2jzge/w58 swapped

    MECP advanced autotech

  8. #6
    CelicaSupra.com Member BillyM's Avatar
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    Very nice swap - looking good!

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  9. #7
    CelicaSupra.com Member yota_fanatic's Avatar
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    Quote Originally Posted by MrBubbles00482 View Post
    Exactly!, no one has had in depth documentation on it with pics like this I don't believe.

    Nice, and all the studs are the proper size?
    This supra studs are a little bit smaller than the s13
    1984 White MKII P-Type, 2jzge
    1985 Black P-type 1jzgte vvti
    1996 sc300 2jzget

    Need precision welding?

  10. #8
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    Nice!
    Been telling the MX71 guys to do this for decades.
    They never do, instead they just complain about broken stub shafts...

  11. #9
    CelicaSupra.com Member SupraFiend's Avatar
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    Ha ha, I've been telling people to do this for decades here too lol. So much simpler then modifing the stock subframe to fit an 8 inch diff (though perhaps not simpler then the rare 85/86 Soarer one).

    I almost went for this IRS, but the mk3 Supra one looked a little simpler to fit. I do like the option of keeping the 4 bolt setup though, and perhaps the track width is a touch less.

    Whats your plan for mounting shocks? is it going to line up close enough for the stock mounting point or are you going to have to graft in different towers?
    Black 86 mk2 Project Car
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  12. #10
    CelicaSupra.com Member yota_fanatic's Avatar
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    Quote Originally Posted by SupraFiend View Post
    Ha ha, I've been telling people to do this for decades here too lol. So much simpler then modifing the stock subframe to fit an 8 inch diff (though perhaps not simpler then the rare 85/86 Soarer one).

    I almost went for this IRS, but the mk3 Supra one looked a little simpler to fit. I do like the option of keeping the 4 bolt setup though, and perhaps the track width is a touch less.

    Whats your plan for mounting shocks? is it going to line up close enough for the stock mounting point or are you going to have to graft in different towers?
    I was going to weld the s13 strut towers in but I think I can get away with just using a custom coilover. I will have to use the half moon upper control arms for coilover to clear. The mkii upper shock mount is a little farther back than the s13.
    1984 White MKII P-Type, 2jzge
    1985 Black P-type 1jzgte vvti
    1996 sc300 2jzget

    Need precision welding?

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