2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Motor swap help???????????

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Old Dec 31, 2008 | 05:11 PM
  #1  
tinoeast14k's Avatar
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From: Trenton, NJ
Motor swap help???????????

I just bought a 86 FC non turbo, it has no motor but everything else. I want to put a TurboII engine in it, I want to know what would I have to change and what I would need?? Thankz.....
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Old Dec 31, 2008 | 05:58 PM
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dvs71990's Avatar
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Other than turbo engine you can use the na drivetrain. But you will have to use all NA stuff such as flywheel and clutch. The Na drivetrain isnt all that great for the turbo application. I think you ll be fine if you don't beat on it.
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Old Dec 31, 2008 | 09:27 PM
  #3  
Icemark's Avatar
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From: Rohnert Park CA
check out the faq for FC sticky thread at the top of this section and the new member technical section. Both have links of Turbo 13B swaps.
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Old Jan 1, 2009 | 11:14 AM
  #4  
tinoeast14k's Avatar
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From: Trenton, NJ
I'm going to buy the complete swap. But I need to know if there is any re-wiring or additional part, bracket needed. Thankz
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Old Jan 1, 2009 | 11:21 AM
  #5  
Icemark's Avatar
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From: Rohnert Park CA
Depends on how complete the swap is...

For example, does it include the air flow meter and pressure sensor? If not you will need them.

Does it include the tranny brace... if not you will need one. Is it a S4 swap??? if so does it include the knock sensor computer? ...if you are using a stock ECU you will need one...

does it include the appropriate North American spec engine harness and ECU... if not then you will either need to make a custom harness or use an aftermarket harness and ECU.

So (as mentioned in the FAQ for FC that you seem to be ignoring) how much work and what you will need will be entirely dependent on what you get with your "complete swap".
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Old Jan 1, 2009 | 12:21 PM
  #6  
Aaron Cake's Avatar
Engine, Not Motor
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From: London, Ontario, Canada
Links copied directly from the FAQ:

Can I swap a Turbo engine/Jspec engine/13BT/etc into my Non Turbo?
Yes, check these links:
https://www.rx7club.com/forum/showth...threadid=26647
http://www.rotaryresurrection.com/ro...conversion.htm


What Turbo kits can I add onto my non turbo RX-7?
There are no longer kits formally made at the time of this post, however there are companies from time to time that do make available non turbo to Turbo Kits. Because most of these companies stop building the kits, or go out of business in short time, it is impossible to keep active links for them.

Most people that turbo a non turbo make their own kits:
Using the stock TII turbo, exhaust manifold with spacer, NA intakes and NA ECU:
http://www.aaroncake.net/rx-7/naturbo.htm
https://www.rx7club.com/forum/showth...threadid=88540

https://www.rx7club.com/forum/showth...threadid=88758
https://www.rx7club.com/forum/showth...hreadid=124232
http://users2.ev1.net/~ccoutts/turbo..._a_project.htm

Using the stock TII turbo, exhaust manifold, intakes, ECU:
http://forum.teamfc3s.org/showthread.php?t=37694

Turbo-NA Forum:
http://www.aaroncake.net/forum/forum...urbocharged+NA
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Old Jan 1, 2009 | 12:56 PM
  #7  
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HAILERS
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From: FORT WORTH, TEXAS,USA
LIke they said above ...depends.

I've a 87 na I put a turbo engine and turbo transmission in. Used stock non turbo wiring on the EM harness which goes on the engine. Had to buy a Turbo transmission mount and a hybrid driveshaft from Mazdatrix but a local driveshaft shop could make you one. Plus turbo ECU/BOOST SENSOR/AFM. And while you at it download the turbo and non turbo Fuel and Emissions sections and wiring diagrams. The wiring changes are but two or three wires. I'm done with this thread like most people who get tired of writing the same thing over and over and over and over and over and over.................

Sometimes I wonder how it is I put the turbo engine and transmission in without ever viewing this forum for answers. Just used the FSM and wiring diagrams. That's all that's needed.....til I found the drive shaft of the non turbo didn't fit the turbo trasmission. Then, duh.......
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Old Jan 1, 2009 | 01:03 PM
  #8  
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From: Rohnert Park CA
Originally Posted by HAILERS
....til I found the drive shaft of the non turbo didn't fit the turbo trasmission. Then, duh.......
Yeah, but there are options there too... such as replacing the flange on the non turbo diff with a Turbo flange... or drilling the flange, or using a auto tranny drive shaft and 1 inch spacer...

Or just getting a turbo diff and half shafts...and doing it the right way.
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Old Jan 1, 2009 | 07:17 PM
  #9  
no piston drifter's Avatar
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From: levittown pa
its pretty much a plug and play if u get the same year engine just turbo'd. i just got done doing pretty much the same thing in my 91 vert. ur gonna need a downpipe. also a tII hood unless u go front mount for ur intercooler like i did. it would be wise to do a drive train swap i heard having an NA rear end ran by a turbo'd engine will pretty much blow it outta per portion. just be ready to blow a good 3500. thats if the apex seals, irons, and housings are good, ALWAYS gotta crack em' open to make sure everything is ok in there
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Old Jan 1, 2009 | 08:50 PM
  #10  
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HAILERS
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From: FORT WORTH, TEXAS,USA
I've used the stock non turbo rear end for about five years now. No problemo.
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Old Jan 12, 2009 | 03:32 PM
  #11  
tinoeast14k's Avatar
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From: Trenton, NJ
My bad its a 89 rx7 and I want to drop in a JDM S5 Turbo II Complete turn key swap. Will I have any wiring problems and will I need something else??????

Last edited by tinoeast14k; Jan 12, 2009 at 03:38 PM. Reason: Correct problem.
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