I am new to the Rx7 world. I didn't even have one yet!! LOL but I am getting a 89 GXL, hopefully this weekend. I really want to turbo the car. But sence im not to sure what is all involed in this I thought I should ask. My friend bought a TII motor, trans, ECU, harness from a engine inporter with a warranty. I turned out to have a blown apex seal, and the inporter is giving him a new motor. Im thinking about buying the old motor from him. I know that when a apex seal blows, you will have alot of other problems. So i wanted to see if I switched over everything except the main housing, if I would have any problems with that?

 

first, everyone on here is gonna tell you to do a search, so do that

second, they'll also tell you that you're gonna have to pull apart the motor and probably have to rebuild it...while it's apart you might as well port it, too, then rebuild

other people will fill you in on the rest, cause i'm not really too sure...i'm N/A

 

I did a search. I just didn't find what I was really looking for. I may be new to this forum but not new to other forums. I know to search first. I don't see why I would have to take apart the housing?? I kinda want to so this motor in 2 stages. First I want to basically make it a TII with a few mods. Then In a year or 2 want to take it apart a second time, and get it totally rebuilt and ported. Then ill put it together with alot bigger turbo and many other things. But I just want to get the car turboed first. So will I run into any problems with what im trying to do?

 

Here ya go:

http://www.hardcore-performance.com/tmazda.asp

Most people that turbo a non turbo make their own kits:
https://www.rx7club.com/forum/showth...&threadid=88540
https://www.rx7club.com/forum/showth...&threadid=88758
https://www.rx7club.com/forum/showth...threadid=124232
http://www.aaroncake.net/rx-7/naturbo.htm
http://users.bigpond.net.au/iwantagtir/
http://users2.ev1.net/~ccoutts/turb...n_a_project.htm

Turbo-NA Forum:
http://www.aaroncake.net/forum/foru...Turbocharged+NA

Have fun, and don't ask any more questions until you have read the entire FAQ section on this board located at the top of the page.

 

You have to rebuild the turbo motor that you have. You can't just stick the turbo stuff on the non-turbo block.

 

your best be will be to rebuild the motor. if the apex seal is blown, there could be other things wrong with it too. I've done the n/a=>turbo swap. Its a great, inexpensive and easy thing to do. BUT since this motor is already gonna have to be taken apart, you might as well replace everything else and do any porting or other work then. look at it in the long run or the whole aspect. It will be well worth the time and money now than having to worry everything or something later on down the line. besides, getting used to a rotary in general is gonna be different from a piston. get used to troubleshooting and problem solving on your n/a b4 your swap. it will give you experience. just about everyone will tell you this.

 

Think of the apex seal as a piston ring or similar. You break that, and you're engine is basically useless, which means you have to tear it apart to fix it.

 

I know this. That is why I don't want to use the TII block. That is why I want to use the block that is in the car right now. Is the N/A block any different from the turbo??

Sorry I have not read all the links yet.. Im going to do that right now.

 

Ok you got me... Maybe I didn't look good enough. Well thanks for pointing me in the right direction. I found some forums in the FAQ section that helped me.
Thanks.

 

Nobodies out to "Get you" just having a little fun that's all.

 

Oh, sorry, your first post was a bit misleading (main housing tends to mean rotor housings, which implies a rebuild). No, you can't swap the parts onto a n/a block, the TII block is a 4port, the N/A is a 6port, among other things.

 

you can swap parts on to an n/a block. i'm collecting parts to do mine, still have a long way to go, and you have to port-match the LIM to the 6-port block.
go here, and read young squire . . .
http://www.teamfc3s.org/forum/showth...rbo+conversion

have fun with that

 

yeah you could swap the manifolds onto a 6 port, but thats alot more work and that guy is using a STAND ALONE SYSTEM because the higher compression wont work with the stock ecu, which is alot of work and way more expensive,

right thing to do is either sell your car buy an older turbo II, or buy a jdm s5 motor, get harneess, ecu , all sensors, use na trany or get the turbo trany driveline rear diff half shafts.... and hood.

if your new to rx-7 then turboing an NA motor or make a frankenstien motor its a bad idea. and will cost 3x more and be way more difficult

 

This is exactly what I did. Unfortuantely within 8 months of driving the thing I lost an apex seal. I should have rebuilt my jspec before I installed it. If you're gonna go the Jspec route, REBUILD it. Listen to what everyone says about it. I'm stuck dead in the water right now because my motor went and I have no cash for the rebuild. Take some foresight and rebuild the motor before you install it. Also, try to get a S5 TII engine to drop in....

 

sure it will, n/a ecu + S-AFC II + wideband dyno tuning