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Thread: Converting a 3sge to RWD

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    Veteran biggo's Avatar
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    Default Converting a 3sge to RWD

    So i thought id write this to soothe my saturday arvo boredom. All information involes a gen 1 3sge. Im not sure about any other sort so you will be on your own if you aquire one. So lets get started:

    All pics are 2sc on the left and gen 1 3sge on the right.



    2 pennys if you can work out whats wrong here. Im going with a 2s starter, Y bellhousing users will probably use the 3s one



    Gearbox stays, 3s ones have a different bolt spacing on the bellhousing. So again im going 2s



    Rear water oulets, not sure what im going to do here?



    Companion flanges, pretty much the same, mine are 2 peice cos i think they were both auto. Not sure



    2s Sump. You will need the pick up aswell. I also got the dipstick just to be 100% sure.

    Y series bellhousings can be used to convert an S to W box, from what i know one bolt hole needs removing and replacing. Also puts the starter on the intake side.

    2S have a 6 bolt flywheel, 3S have 8, yair pretty much 4ac to 4age all over again

    The acutall power steering pump is the same, mounts and lines are different for both motors

    You will need a dual row spigot bearing to support the input of the gearbox. Someone will tell you why cos i have no idea.

    Alternator mounts are different again, so bin them. 3s normally have them high up over the exhaust in FWD. Apparently MR2 SW20 have them low on the intake side, so thats probably tour best bet.

    Thats all i can think of for now. Will update as i find shit out.
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    what are your plans for the dizzy? and what ecu do you plan on running?

    Im about to do the same thing to a mates 71, I found a cheap sa63 for him so lucky on that side of things. But still tossing up what to do about the dizzy

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    Gen 2 dizzy, shorter profile and has the correct pickup for an aftermarket ecu. Ill probably go Microtech if i have to buy a new one or Motec if i buy a used one.
    85' JDM TA63 GTTR sedan - Godlike
    89' JDM GZ20 Soarer - 1jz + R154 bus

    Quote Originally Posted by joeschmo_57 View Post
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    Gen1 dizzy vs gen 2 dizzy

    85' JDM TA63 GTTR sedan - Godlike
    89' JDM GZ20 Soarer - 1jz + R154 bus

    Quote Originally Posted by joeschmo_57 View Post
    I tried to sell my virginity yesterday in a pub. Shame it was second hand anyway

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    sweet ill tell my mate to look for one

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    So i guess i was wrong. 2s and 3s power steer pumps have completely differnent offsets on both the mounts and the pulley.

    So i had a gander, as you do and started doing this to the 2s mount.



    I still need to grind ~3mm of the alternator to fit it perfectly. Its far better there than up ontop of the exhaust mani. But then...



    One small problem to over come. Pretty sure it will solve itself if i take the pwr steer pressure switch out and remover the front slider (it has one at the back too.)
    85' JDM TA63 GTTR sedan - Godlike
    89' JDM GZ20 Soarer - 1jz + R154 bus

    Quote Originally Posted by joeschmo_57 View Post
    I tried to sell my virginity yesterday in a pub. Shame it was second hand anyway

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    you need the long/deep double row bearing because the input shaft of the w5x is too short to engage a normal spigot bearing when placed in the crank. this is the case with all 3s engines to my knowledge. and with either sa63 or yr2x etc bells.

    you can alternatively have the bell housing milled down (approx' 5mm on each side).

    a gen 5 beams 3s (factory rwd) has the spigot bearing in the flywheel. using a factory or after market clutch/flywheel combo is an option for all other (not gen 1 na) versions of 3s. gen1 na has a different crank bolt pcd (though all 3sges are 8 bolt, the gen one is on a smaller bolt circle)
    78's

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    BEAMS + SA63 Bell + W55

    Happy time?
    RT142 Estate.

    AJPS.

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    Quote Originally Posted by Konakid View Post
    BEAMS + SA63 Bell + W55

    Happy time?
    ? it would bolt up and work definitely. with the stock clutch and flywheel etc.
    78's

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    Quote Originally Posted by Konakid View Post
    BEAMS + SA63 Bell + W55

    Happy time?

    u must run starter on driver side with a gen 5 as there is a oil drain return line thats way hard to move, i have a 2s bellhousing (not sure if thats sa63???)

    but u will have to cut a starter buldge from something with the starter on the driver side (i used my blown 6 speed for doner buldge) and use the beams starter
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    Too bad im in the same town as dr1ft-p1g im pretty sure his mx83 is the coolest.

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