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Thread: 1JZ Swap Parts Into a MKIII - List -

  1. #11
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    Default Re: 1JZ Swap Parts Into a MKIII - List -

    I've done alot of research so for because I am planning on doing a 1jz swap to a 89. my first one. but I been talking to alot of great mechanics I know and they mentioned some things that you didn't. Or maybe what I want to know is getting more into the technical stuff. Just wanted to get a second opnion on some things since it seems ya know a good bit.
    all comments welcome
    Here is a list of some things that you didn't mention(please correct if you fell I am wrong)
    -MK4 HIGH pressure power steering hose (you said low pressure)
    -need 2jz power steering hose banjo belt (maybe)
    -you mentioned to buy a new abs rear speed sensor if I want abs to work.
    -can I remove the 7m harness containing ABS sensor plug and progressive power steering
    -then remove the 1jz harness to replace it
    -for a/c to work take I would need to take the lines/block off of the 7m a/c pump and swap it over to the 1jz engine
    -swap hydro fan from 1jz to 7m radiator cause I was told by a few that it can move more air but the bolt holes will not line up
    -Not really important= switch from r12 to r134 freon when changing a/c line
    -use dash panel connector from old harness and wire into 1j for dash lights and control
    -Also I was told that I would need to buy a new housing for the tranny by some, but some said that a turbo 7m comes with a r154 tranny already so wouldn't a r154 tranny from a 1j fit right in?
    -I was read somewhere that the oil pan for the jdm 1j sit in towards the rear of the engine and I would have to buy a domestic oil pan to sit in the front so my engine would fit.

    I know thats a lot of questions and I may be wrong or heard/read wrong somewhere but all comments and help welcome

    Buying 89 targa top 7m-gte this weekend and hope to get a complete 1jzgte engine by next week with all the internal components, ecu, wiring harness, r154 tranny and all the other regular goodies that come with a jdm engine

  2. #12
    Supramania's Parts Man
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    Default Re: 1JZ Swap Parts Into a MKIII - List -

    1. I have steel braided line that is the high pressure. 65.00 from drift motion (: - also low pressure lines will be required as well. you can buy them at parts stores basic lines.

    2. The power steering hose is what I just listed above in #1

    3.The ABS yes if you don't have a sensor you can buy it, and yes you can delete the progressive power steering if you don't want it. That is all up to whoever is doing the swap.

    4. As for the A/C I did this without a/c hence the belt # and where to get it.

    5. You will need a 1JZ water pump backing plate that is from a mechanical fan, not the hydro fan, there is a difference. Then you can attach a 2JZ water pump with a 2jz or 2jz water pump pulley. A Ls400 fan cltuch will work, and they're a lot cheaper!

    6. Again the A/C I did run without, if I did do it with a/c I would have continued what to do. If the new freon from r12 to r143 was used in that system then change, but the MA70 system was made for R12 to my knowledge. Changing it would require a complete flush, and maybe more.

    7. That dash lights etc and controls were done when a harness was built. The tech building the harness has already accounted for this and that does not need to be mentioned. If that does then the person working on the car shouldn't have started.

    8. the R154 transmission itself fits on the 1jz with a 1JZ bell housing. The transmission are the same minus the bell housing. If you buy a complete swap the R154 that comes with the 1JZ obviously has that one it already.

    9. The 1JZ has two oil pans. You will want a rear sump that sits in more or less in the middle bottom of the motor. A front sump sit forward all the way, if you get a 1jz swap out of a Supra ti will come with a rear sump. 1JZ's can come front sump, but if it was from a Supra it will be a rear sump.

    -

    Hope that helps you. I also hope you plan on the swap taking a little longer. Just make sure everything is set and good to go. No point in rushing such a great development. Good luck with your adventure!
    Need help with Supra Wiring? 7M : 1JZ : 2JZ, or any other Supra wiring? I can help!
    '03 EVO
    For wiring help PLEASE (EMAIL) me at Nsinfamy@hotmail.com - I am no longer on this site much - I will be able to help you through email!

    Toyota Pulls You Forward Sometimes When You Don't Want Them Too
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  3. #13
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    Default Re: 1JZ Swap Parts Into a MKIII - List -

    You said 2JZ coolant hoses, do you mean from a JZA80 TT? The 2JZ SC300 has different hoses listed.
    87' 1JZ W58 Holset HY35W

  4. #14
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    Default Re: 1JZ Swap Parts Into a MKIII - List -

    Quote Originally Posted by destrux View Post
    You said 2JZ coolant hoses, do you mean from a JZA80 TT? The 2JZ SC300 has different hoses listed.
    JZA80 TT Coolant hoses for the Top radiator hose & the bottom one work perfect (: Bought them on Ebay and they're awesome! 50.00 shipped Just found these today. Hope that helps you.

    http://cgi.ebay.com/ebaymotors/SUPRA...Q5fAccessories
    Need help with Supra Wiring? 7M : 1JZ : 2JZ, or any other Supra wiring? I can help!
    '03 EVO
    For wiring help PLEASE (EMAIL) me at Nsinfamy@hotmail.com - I am no longer on this site much - I will be able to help you through email!

    Toyota Pulls You Forward Sometimes When You Don't Want Them Too
    ___________________________

  5. #15
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    Default Re: 1JZ Swap Parts Into a MKIII - List -

    So just a QQ. If I buy a full front clip, will I still need to follow the majority of this list?
    Chair Force
    Light Blue 1988 N/A 5 speed, sold .
    Red 1989 Turbo 5 speed, iBoost.


  6. #16
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    Default Re: 1JZ Swap Parts Into a MKIII - List -

    Quote Originally Posted by Greek View Post
    So just a QQ. If I buy a full front clip, will I still need to follow the majority of this list?

    Yes, a lot of stuff is not on the clip you will need.
    Need help with Supra Wiring? 7M : 1JZ : 2JZ, or any other Supra wiring? I can help!
    '03 EVO
    For wiring help PLEASE (EMAIL) me at Nsinfamy@hotmail.com - I am no longer on this site much - I will be able to help you through email!

    Toyota Pulls You Forward Sometimes When You Don't Want Them Too
    ___________________________

  7. #17
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    Default Re: 1JZ Swap Parts Into a MKIII - List -

    i'm confused as to why. If I have an MKIII 1j front clip why would I need to purchase additional parts? Can't I just take everything out the engine bay and swap it in mine?
    Chair Force
    Light Blue 1988 N/A 5 speed, sold .
    Red 1989 Turbo 5 speed, iBoost.


  8. #18
    Supramania's Parts Man
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    Default Re: 1JZ Swap Parts Into a MKIII - List -

    Quote Originally Posted by Greek View Post
    i'm confused as to why. If I have an MKIII 1j front clip why would I need to purchase additional parts? Can't I just take everything out the engine bay and swap it in mine?
    Alright, let me sum this up fro you.

    Oil pressure gauge if you want ti to work on your MKIII USDM car's cluster, you have to use a 7M oil pressure sensor, you'll need the adapter from Drift motion.

    Are you going to use the Hydro-pump? If not you'll need a 1JZ water pump backing plate from a mechanical fan, you can't use the one on the motor. If you can't find that, you can use a 2JZ backing plate with a 2JZ water pump. Then you might want a Lexus LS4000 Fan and clutch.

    If you want to use the wiring from the Clip you can, but I just bought 2 gauge wire to run from the alternator over to the battery.

    Is your car a 5speed already? You will need a r1-54 drive shaft

    Throttle cable will be needed 2JZ
    Need help with Supra Wiring? 7M : 1JZ : 2JZ, or any other Supra wiring? I can help!
    '03 EVO
    For wiring help PLEASE (EMAIL) me at Nsinfamy@hotmail.com - I am no longer on this site much - I will be able to help you through email!

    Toyota Pulls You Forward Sometimes When You Don't Want Them Too
    ___________________________

  9. #19
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    Default Re: 1JZ Swap Parts Into a MKIII - List -

    Great info, I am going to be swapping a 1JZ into my 90 soon. On Ebay, I see front sump and rear sump. Which do I need?

  10. #20
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    Default Re: 1JZ Swap Parts Into a MKIII - List -

    Rear

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