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Old 05-01-2009, 05:15 AM   #1
bennybiggs
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looking at buying a 95 na supra. it has a ton of miles on it. i found a tt engine with ecu and harness and everything. is it worth it to buy the car and swap the engines over? i know it will take a lot of work to turbo the na version so thats why im looking at doing the engine swap. do you guys think its worth the investment or an i looking at the biggest pain in the butt project?
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Old 05-01-2009, 10:35 AM   #2
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Originally Posted by bennybiggs View Post
looking at buying a 95 na supra. it has a ton of miles on it. i found a tt engine with ecu and harness and everything. is it worth it to buy the car and swap the engines over? i know it will take a lot of work to turbo the na version so thats why im looking at doing the engine swap. do you guys think its worth the investment or an i looking at the biggest pain in the butt project?
Swapping the engine+harness isn't too hard - you can do it in about six hours or less, depending on the expertise of the project participants. Making it all work after the physical engine+harness swap however, is another story. Among other things, you'll need a TT ecu, an ignitor, possibly an injector resistor pack, a different maf (I believe), and a new downpipe.

After the swap,etc. do keep in mind that you still won't have a transmisison or differential capable of reliably handling a bpu+++ 2jz-gte. Also keep in mind your na braking system (calipers, abs system, etc.) probably won't be sufficient to stop you consistently after that 2jz-gte gets your na chassis moving (depending on your application) ... Also, there's suspension, rims, tires, etc...all the same story.
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Old 05-01-2009, 03:41 PM   #3
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i understand that it wont be the same car. obviously the tt version was built a little stonger. but i plan on upgrading the brakes anyways and rims along with other things. im not looking to be making a thousand horsepower,more around five hundred or so. do you know of any places (websites) i can get ignitor, an injector resistor pack, a different maf, and a new downpipe. the engine im looking at has the esc and wire harness with it. or so the guy says. one other question. im trying to get this all worked out so i can do the swap in one shot and not over a month period.
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Old 05-01-2009, 08:28 PM   #4
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Originally Posted by bennybiggs View Post
i understand that it wont be the same car. obviously the tt version was built a little stonger. but i plan on upgrading the brakes anyways and rims along with other things. im not looking to be making a thousand horsepower,more around five hundred or so. do you know of any places (websites) i can get ignitor, an injector resistor pack, a different maf, and a new downpipe. the engine im looking at has the esc and wire harness with it. or so the guy says. one other question. im trying to get this all worked out so i can do the swap in one shot and not over a month period.
You get the ignitor, injector resistor pack and maf from Toyota. You can also get the downpipe+cat from Toyota, or get a cat-less downpipe from several suppliers including MVP Motorsports.
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Life begins at 30psi.


NB: Please consider posting any help requests in a new thread instead of asking me for help privately. About 99.9+% of the time, private help requests end up covering great information that could be very valuable to other forum members. If you have a good reason for needing the help request to be private, I'll consider it. If not, then why not give everyone else the opportunity to pitch in too, and/or learn from the information? Remember, there's no such thing as a dumb question. We're all here to help within this family of Supra owners.

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Old 05-01-2009, 09:45 PM   #5
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thank you very much. ill keep you up to date with whats going.
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Old 05-02-2009, 07:36 PM   #6
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thank you very much. ill keep you up to date with whats going.
Good luck.

Also, be sure the TT ecu you get is for the correct model-year, and is for the correct transmission type (auto vs. 6spd). If you go auto, I believe that the TT auto ecu can probably shift the n/a auto tranny, but I'm not 100% sure.
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Life begins at 30psi.


NB: Please consider posting any help requests in a new thread instead of asking me for help privately. About 99.9+% of the time, private help requests end up covering great information that could be very valuable to other forum members. If you have a good reason for needing the help request to be private, I'll consider it. If not, then why not give everyone else the opportunity to pitch in too, and/or learn from the information? Remember, there's no such thing as a dumb question. We're all here to help within this family of Supra owners.

Last edited by pwpanas; 05-02-2009 at 07:39 PM.
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Old 05-03-2009, 04:24 AM   #7
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i didnt think of that. the one im looking at buying is a 1995 five speed. the engine im not sure of the year but it has an auto transmisson on it. should i look for a total new ecu? i got a buddy that works for a shop that builds supras and said whatever i needed he can get me. how much you think he will charge me for the ecu and wiring harness?
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Old 05-03-2009, 09:49 AM   #8
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Originally Posted by bennybiggs View Post
i didnt think of that. the one im looking at buying is a 1995 five speed. the engine im not sure of the year but it has an auto transmisson on it. should i look for a total new ecu? i got a buddy that works for a shop that builds supras and said whatever i needed he can get me. how much you think he will charge me for the ecu and wiring harness?
Yes, you'll need a new ecu (as I said above). An n/a ecu can not control a 2jz-gte.
Quote:
Originally Posted by pwpanas View Post
Swapping the engine+harness isn't too hard
...Among other things, you'll need a TT ecu, an ignitor, possibly an injector resistor pack, a different maf (I believe), and a new downpipe...
Used TT ecus usually go for about $200 last time I checked. A brand-new harness from 'yota is about $800 or so. Honestly I wouldn't try to make a second-hand harness work - they're usually full of broken plastic connectors and sometimes other continuity problems. Just mho.
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Phil '94 Supra Turbo, 6spd, 'APU'+
Displacement is no replacement for boost.
Life begins at 30psi.


NB: Please consider posting any help requests in a new thread instead of asking me for help privately. About 99.9+% of the time, private help requests end up covering great information that could be very valuable to other forum members. If you have a good reason for needing the help request to be private, I'll consider it. If not, then why not give everyone else the opportunity to pitch in too, and/or learn from the information? Remember, there's no such thing as a dumb question. We're all here to help within this family of Supra owners.

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