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2jz / sc400 swap guide

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Old 02-02-10, 09:22 AM
  #16  
TURBO819
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Originally Posted by MrFairlady
I'm still curious as to why people on this fourm don't seem to do things themselves - granted I know some of it comes down to a facility to do it,...but wouldn't you rather know that You did it - and if anything goes wrong -YOU know where to look?

Wiring can't be that hard - and I can't see spending $500-$800 on a wiring job that should essentially plug in for the most part.DR tweak seems like he does great work but man - $800 could Be 2/3 of a Turbo Upgrade.

I hate Buying SOMEONE elses problems so I'd hate to know someone else worked on my car or whatever and Fixing all their Mess-ups if there are any.

Maybe I'm crazy but I will leave it at that - Good luck w/ your swap - I'm right behind ya,though 1JZ single Turbo 5speed here.
Not 100% true there are alot of individuals on this forum that do alot of stuff themselves. I went the Dr.Tweak route with the wire harness because there was no wiring information for my engine at the time and the stuff that I was able to find. I did not trust 100%. The car started on the second turn of the key. I also helped 99 PROBLEMS (99 SC400 2jzgte) swap and we also went the Dr.Tweak route again because we did not want any problem or issues with wiring. It too started on the second turn of the key. I am not going to say it the harness is 100%. Both Harness has a problem with the Oil temperature or Oil Level. I have two other issues. The tachometer & Engine temperature (need A three Wire Sensor). As far as wiring goes it not for everyone and alot pay inorder to know that there car will start. One less thing to worry about.
Old 02-02-10, 09:24 AM
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Ace9282
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Originally Posted by TURBO819
Ace9282 : A few question for you. Is this a JDM or USDM motor? Is it from an Aristo or Supra? Just asking because if it's from an Aristo the upper & Lower oil pan would need to be swapped with an SC300 Upper & Lower oil Pan. The only other thing that would need to be swapped or modified would be the lines to the rack different location. On the SC300 no change or modification is needed. The wire harness would need repinng and your good to go. Also there are two Supra TT MKIV motor mounts and brackets. A long & a Short. Check with GuickGS300 for the part number.
i believe it was an aristo swap. but i dont have the aristo harness i baught a USDM tt 6speed harness from someone. i dont have a power steering pump at the moment, so i can get whatever is needed. as for the oil pan i swapped it with a mid sump already.
Old 02-02-10, 10:30 AM
  #18  
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The mount i think 93-97 are shorter and 98 is taller don't quote me on that, Correct me if am wrong.
WE Don't have them in stock i would went and check them for you.
Old 02-02-10, 12:15 PM
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Default 12360-46111 insulator assy

I found my Invoice 12360-46111 INSULATOR ASSY (Supra Twin Turbo MKIV Motor Mount) $69.72
Old 02-02-10, 12:25 PM
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fuel lines are different. good luck.
Old 02-02-10, 12:40 PM
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Originally Posted by LexusFTW
fuel lines are different. good luck.
I knew I was forgetting something.
Old 02-03-10, 03:42 AM
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thanks to all of you for the tips.
Old 02-03-10, 02:11 PM
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i just put a '95 2jzGE (rebuilt by me) in my 92 sc400 and there are several differences that have already been mentioned here. i have a haltech platinum2000 EMS, so i didnt have to deal with the wiring crap nearly as much, but:
motor mounts are slightly different
fuel lines are different (but i made mine work)
i didnt have a starting harness, and my charging harness was of the wrong year (95 instead of my 92 chassis)

i'm also using the sc400 driveshaft, but i had to have my W58 yoke welded onto the sc400 auto shaft (cost 98 bucks locally)
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