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Old 04-29-2011, 11:46 PM   #1
amcutem
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Default 86 1/2 na turbo swap advice

Hello evryone.

I was curious how hard would it be to properly turbo my na supra, and also, what parts do I need and around how much will all the parts cost. And most of all, is it even worth it. I bought an 86.5 supra and i want to make it a little faster.

I already have a turbo engine bottomend with pistons, ahduhh, and a turbo exhaust manifold. Obviously, im gna need a turbo. Does anybody have one for sale?
Im also planning to jus rewire the stock wirring harness to work with the turbo ecu. Has anybody done that, and is it difficult? I just need the cam sensor, coil, and ecu right. Also, how well will the turbo run with the stock na fuel mangement, just incase i decide to leave the ignition stock and ecu stock. I do have jacobs Ice pack for 6cylinder engine. What do you guys think.
Also, how much is an after market fuel management?



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Last edited by amcutem; 04-30-2011 at 12:47 AM.
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Old 04-30-2011, 10:17 AM   #2
ochowdero
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Quote:
Originally Posted by amcutem View Post
Hello evryone.

I was curious how hard would it be to properly turbo my na supra, and also, what parts do I need and around how much will all the parts cost. And most of all, is it even worth it. I bought an 86.5 supra and i want to make it a little faster.

I already have a turbo engine bottomend with pistons, ahduhh, and a turbo exhaust manifold. Obviously, im gna need a turbo. Does anybody have one for sale?
Im also planning to jus rewire the stock wirring harness to work with the turbo ecu. Has anybody done that, and is it difficult? I just need the cam sensor, coil, and ecu right. Also, how well will the turbo run with the stock na fuel mangement, just incase i decide to leave the ignition stock and ecu stock. I do have jacobs Ice pack for 6cylinder engine. What do you guys think.
Also, how much is an after market fuel management?



Any
Advice
Is
Appriciated.
any re wiring to the original wire harness may be very difficult. i wouldnt reccomend doing that.... as for the turbo... its not just plug n play like most people want... you should actually buy a brand new turbo kit from turbonics? its like 600$ or something, thats almost around or cheaper then buying a used one and rebuilding that.. if your going to buy a used one go ahead, but REBUILD IT, even if the seller says its rebuilt..REDO IT! cant stress that enough... i would upgrade the fuel injectors to 550cc and lexus AFM it will compensate for the higher AIR TO FUEL RATIO.. im sure theres more but i really cant think right now..

also the kit is a good idea becuz it comes with all 2.5 - 3.5 piping, bov, and the upgraded IC.. which is definately good for that.
other reasons why you should buy a turbo kit im sure...
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Old 04-30-2011, 03:32 PM   #3
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Do u have any links.
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Old 05-01-2011, 04:59 AM   #4
Sonyps307
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The best way would to swap to the gte eletronics. harness, ecu and sensors
The turbo'd supra injectors r 440s And would be best to get them to or bigger if your going to run higher boost.
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Old 05-01-2011, 09:59 AM   #5
ochowdero
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no links, honestly look in the faqs/forums... im more of hey i know whats up and kinda how to do it vs the guys on here who know what there talking about..

im still learning as are you im sure... bur SEARCH THE FORUMS FOR A QUICKER ANSWER... it helped me..
anything else?
i can try to help
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Old 05-01-2011, 09:42 PM   #6
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if you really want your money to go farther, instead of buying 20+ year old GTE stuff, you could get an aftermarket ems, like megasquirt, and run it n/a while you aquire turbo parts. with MS you can ditch the crappy VAFM and run a map/maf system. then when you get your turbo, you just bolt it all on and re-tune. the only thing you need is a laptop to tune with.

you will prolly want 440cc or larger injectors, especially if you want to up the boost. on a stock motor i wouldnt go much more than 15psi.

you can spend about 1200 bux and get the whole EMS, injectors and most of the turbo kit for that, depending on the turbo you go with (a good turbo kit with everything can run up to 6k)

just my two cents.

getting gte electronics can work just dandy if they are cheap enough and in working condition. just have to do some research and weigh prices back and forth.
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