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

De-turboing the T2, going back to non- turbo

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Old Feb 28, 2008 | 07:14 PM
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De-turboing the T2, going back to non- turbo

I just bought someone's abandon turbo project, it had the whole turbo drivetrain + engine with all the intake parts basically

the engine bay pretty much looks like this as of right now



the turbo in there is not really what i wanted to use, what i REALLY want is a gt35r, which that alone cost 1500, plus the all the extra stuff that needs to be put in there, it might run me up to 3k to get it running the way i really wanted


so here is my question, can i just use the turbo intake, and throw a non turbo header / exhaust on there to get the car driving ? btw i know i need a fan too

for ECU i m planning on like a megasquirt or something cheap. or stock ecu with the rtek even if i can get it running

i'll get it turbo'd eventually, not anytime soon, unless i win a lotto


i am trying to find out what i need to do to get it drivable



oh, yea i searched, this is the only thing i found thats a little informative
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/what-i-have-been-doing-gone-back-non-turbo-260972/
and this is NOT what i m looking for, all i get is "6 port / NA turbo conversion" yadayada, post a link if you are so good at searching.

Last edited by sub9lulu; Feb 28, 2008 at 07:24 PM.
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Old Feb 28, 2008 | 07:21 PM
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But you're soooo close to being boosted.
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Old Feb 28, 2008 | 07:31 PM
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This sounds pretty noob but thos blue adapter things like the one on your turbo.. where can i get stuff like that? should i be able to get somethin similar at home depot or somthing?
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Old Feb 28, 2008 | 07:36 PM
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ebay got tons of those, u can always go to jigs / summit
get at least a 3 ply, and LOL @ homedepot, comeon man, they are not design to withstand heat / PSI
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Old Feb 28, 2008 | 08:10 PM
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why not boost it? you can have my gtu for that project lol
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Old Feb 28, 2008 | 08:17 PM
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You need high compression rotors, as for a T2 motor it has low compression rotors so it doesn't blow when boosting.
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Old Feb 28, 2008 | 08:18 PM
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Yes, you can run the engine with a custom header. However, I know this car and I am confused why you are going this route because it is nearly finished. I don't like that turbo either, but it will work until you can scrape up enough cash to get a GT35R. Why are you going to downgrade from the nice Wolf EMS to a crappy Megasquirt EMS?

Originally Posted by Juje
You need high compression rotors, as for a T2 motor it has low compression rotors so it doesn't blow when boosting.
The low compression rotors are OK. If you think about it, the T2 drives just fine when the turbo isn't boosting.
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Old Feb 28, 2008 | 08:34 PM
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Originally Posted by Evil Aviator
Yes, you can run the engine with a custom header. However, I know this car and I am confused why you are going this route because it is nearly finished. I don't like that turbo either, but it will work until you can scrape up enough cash to get a GT35R. Why are you going to downgrade from the nice Wolf EMS to a crappy Megasquirt EMS?


The low compression rotors are OK. If you think about it, the T2 drives just fine when the turbo isn't boosting.
haha, so you found out

coz i also got a FD i m spending my $$ on, i m planning on going single on that (right now stock with a half blown engine), and i cant afford buying 2 gt35r at the same time.
the wolf 3d i m thinking about throwing into the FD

i want this FC to be my track day practicing toy until i m confident enuf to drive the FD on the track, i had an N/A way back, it doesnt need a turbo to be fun around a small track, and i dont really want to use the FD to practice, on top of all that the FD is going to take a GOOD while b4 it can run

does that answer some questions ? lol
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Old Feb 28, 2008 | 08:51 PM
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Originally Posted by Evil Aviator
Why are you going to downgrade from the nice Wolf EMS to a crappy Megasquirt EMS?
You mean that nice wolf ecu that doesn't even have datalogging capabilities last time time I looked. I seem to see everyone that has one trying to peddle it off in the forsale section. Maybe you should rephrase that to say. Why are you dumping the expensive crappy wolf for a 1/4 the cost crappy megasquirt that at least has decent datalogging software and support?
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Old Feb 28, 2008 | 09:10 PM
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Originally Posted by The Griffin
You mean that nice wolf ecu that doesn't even have datalogging capabilities last time time I looked. I seem to see everyone that has one trying to peddle it off in the forsale section. Maybe you should rephrase that to say. Why are you dumping the expensive crappy wolf for a 1/4 the cost crappy megasquirt that at least has decent datalogging software and support?
lol nah man i m happy with what the wolf can do, i dont REALLY need datalogging
i'd probably go with microtech / haltech if every standalone out there is the same price
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Old Feb 28, 2008 | 10:00 PM
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Originally Posted by Evil Aviator
Yes, you can run the engine with a custom header.
can i use the stock header ?
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Old Feb 28, 2008 | 10:05 PM
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Originally Posted by The Griffin
You mean that nice wolf ecu that doesn't even have datalogging capabilities last time time I looked. I seem to see everyone that has one trying to peddle it off in the forsale section. Maybe you should rephrase that to say. Why are you dumping the expensive crappy wolf for a 1/4 the cost crappy megasquirt that at least has decent datalogging software and support?
I guess I should rephrase that...

Why are you even considering a crappy Megasquirt EMS that only the most ignorant people on the planet think is comparable to a quality budget commercial EMS like those from Wolf, Microtech, Haltech, and Electromotive?

Originally Posted by sub9lulu
the wolf 3d i m thinking about throwing into the FD
OK, that makes sense. You may want to contact Wolf to see if they still have some V4 harnesses for sale, or if the V5 harness can work with the V4 so you can just swap the EMS box from one car to another. The nice thing about a universial EMS like Wolf (also Haltech and Electromotive but not Microtech) is that it is not too much trouble to swap the EMS box from one car to another. The Wolf has a very fast swap time because you don't need to hook up a laptop computer to load another map. The only downsides I can see on the Wolf EMS is that your version is out of production and therefore no longer supported by the factory, and I only know of one Wolf tuner in your area.

Originally Posted by sub9lulu
i want this FC to be my track day practicing toy until i m confident enuf to drive the FD on the track, i had an N/A way back, it doesnt need a turbo to be fun around a small track, and i dont really want to use the FD to practice, on top of all that the FD is going to take a GOOD while b4 it can run
That's a good idea, and I agree that a non-turbo RX-7 is excellent for race practice. However, I think you would come out way ahead if you parted out the 10AE and simply bought a working non-turbo RX-7. You got a steal on that 10AE, and could probably sell the parts for double what you paid for the car, and then use the extra money towards your FD. Anyway, just a thought.

Originally Posted by sub9lulu
can i use the stock header ?
No
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Old Feb 28, 2008 | 10:16 PM
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wanna sell the pipes and connectors? lemme know!!!
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Old Feb 28, 2008 | 11:17 PM
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Originally Posted by Evil Aviator
Why are you even considering a crappy Megasquirt EMS that only the most ignorant people on the planet think is comparable to a quality budget commercial EMS like those from Wolf, Microtech, Haltech, and Electromotive?
Why are you listening to the most ignorant people? Maybe it's not as powerful as a $2k Microtech, but it's damned good value for money, and for an NA rotary it's got all the power and features you'll ever really need.
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Old Feb 28, 2008 | 11:20 PM
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Originally Posted by Evil Aviator
I guess I should rephrase that...

Why are you even considering a crappy Megasquirt EMS that only the most ignorant people on the planet think is comparable to a quality budget commercial EMS like those from Wolf, Microtech, Haltech, and Electromotive?
Come on Mr. Evil cool aviator tell us exactly how you feel . Aren't you supposed to be some kind of moderator on the efi forum? Not very becoming of a moderator to calling people ignorant.
So lets here some facts to substantiate your statement.You're the efi expert enlighten us.I always like fact.
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Old Feb 28, 2008 | 11:39 PM
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I would just finish the project and put a bigger turbo on later.
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Old Feb 28, 2008 | 11:41 PM
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Originally Posted by RX7freak08
I would just finish the project and put a bigger turbo on later.
same here
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Old Feb 29, 2008 | 12:42 AM
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4 ports work great NA, but really now...

just put a used stock engine harness, ecu and S5 turbo/manifold on it and concentrate on spending money on the FD while you drive the FC.
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Old Feb 29, 2008 | 12:50 AM
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Originally Posted by The Griffin
Come on Mr. Evil cool aviator tell us exactly how you feel :rolleyes
Exactly how I feel is that you can start another thread on this side subject rather than hijacking this thread. Also, I have not been a moderator on this forum for quite some time, and even when I was moderating I was quite blunt.

Originally Posted by BLUE TII
just put a used stock engine harness, ecu and S5 turbo/manifold on it and concentrate on spending money on the FD while you drive the FC.
The previous owner may still have the original S4 turbo and the remaining GReddy pipes for the cold side, but I am not sure if the custom exhaust would hook up. The stock ECU may still be in the car. Unfortunately, I haven't seen that car in about 2 years, so I am not sure what was changed since then.

Last edited by Evil Aviator; Feb 29, 2008 at 12:56 AM.
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Old Feb 29, 2008 | 01:07 AM
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I could give a rat's *** on your opinion blunt or otherwise.How about some fact?
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Old Feb 29, 2008 | 07:56 AM
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I don't know the history of this car like some people apparently do. But if all it needs to get running with the turbo is a AFM, some IC piping, and a fan then finish the build.
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Old Feb 29, 2008 | 10:27 AM
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I would hate to be the guy that worked his booty off on this car, and then someone buys it and makes it NA.
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Old Feb 29, 2008 | 10:52 AM
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a turbo engine can use non turbo components such as the exhaust and whatnot. i think racingbeat even sells a header to use on a non turbo engine.
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Old Mar 2, 2008 | 07:28 AM
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Originally Posted by The Griffin
I could give a rat's *** on your opinion blunt or otherwise.How about some fact?
If the original poster would like to know the answer, then he can send me PM. You, on the other hand, will need to ask somebody who feels that it is worth their time to help out somebody who acts like a jerk when asking for help. Good luck on that.
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