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

renesis housings with regular FC engine?

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Old Dec 31, 2004 | 02:25 AM
  #1  
BlaCkPlaGUE's Avatar
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Lightbulb renesis housings with regular FC engine?

Just curious. But they say that the renesis is better for emissions and power with the exhaust ports on the other side of the housings, as far as I have been able to tell so far, this is what makes the renesis, the renesis.
So if thats true, would this be beneficial to do?
I'm pretty sure that the stock ECU could not do this, maybe a standalone could run the engine.
Also, assuming that you could get the exhaust to fit properly underneath the car, since its on the other side now.. would it be more powerfull?

Instead of telling me how it wouldn't be 'worth' it, tell me why or why not this would be a good/bad idea.

Just curious..
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Old Dec 31, 2004 | 02:31 AM
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its not whether it is worth it, or whether or not its a bad idea, its whether it can actually be done or not. It really depends on which housings you are using. Obviously you can't use the reni rotor housings with pre reni irons because it has no exhaust port for exhaust to leave the chamber. The reni rotors are chamfered stock. I can see that having a very very very slight benefit.

crap, anyways the general consensus is that its best not to mix and match the parts, but the rotors have been swapped around. I'm tired and I'm going to bed.
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Old Dec 31, 2004 | 02:36 AM
  #3  
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eh.. it seems I don't know enoughe about the renesis to really start dreaming up ideas.. sorry bout that. Its not like i want to do this, im just theorizing.
Keep in mind that when I come home from work I do two things, play games and browse this forum. Its -30 celcius here right now and that means no time for FC fiddlin.
I just like to see what ideas are best left explored and left alone, thats all
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Old Dec 31, 2004 | 02:37 AM
  #4  
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Originally Posted by BlaCkPlaGUE
Just curious. But they say that the renesis is better for emissions and power with the exhaust ports on the other side of the housings, as far as I have been able to tell so far, this is what makes the renesis, the renesis.
So if thats true, would this be beneficial to do?
I'm pretty sure that the stock ECU could not do this, maybe a standalone could run the engine.
Also, assuming that you could get the exhaust to fit properly underneath the car, since its on the other side now.. would it be more powerfull?

Instead of telling me how it wouldn't be 'worth' it, tell me why or why not this would be a good/bad idea.

Just curious..
I don't understand. Its redundant to try and swap engine parts because of port configuration. What are you trying to get at? Two exhaust ports per housing?
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Old Dec 31, 2004 | 02:40 AM
  #5  
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eh.. it seems I don't know enoughe about the renesis to really start dreaming up ideas.. sorry
What I was thinking of was to remove the housings and swap them with renisis ones. I thought that the intake would be the same, but now the exhaust would be moved around to the spark plug side of the engine. Like I quoted above, I don't know enoughe about the renisis it seems, cause so far two people are confused as to what im getting at.


eh.. close the thread.
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Old Dec 31, 2004 | 02:43 AM
  #6  
wankel jr.'s Avatar
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lol yep I think you need to look at more pics of the renesis, the ports aren't on the other side of the engine, they just exit out the irons instead of coming through the pp as on ya FC. If you used renesis housings youd have a bomb or something haha therd be no exhaust ports at all lol

I hear you can use the port sleeves from the renesis for your sixth ports as they flow better.
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Old Dec 31, 2004 | 02:45 AM
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Exhaust still comes out the same side it did on the engine block.... No need to reroute the exhaust....
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Old Dec 31, 2004 | 02:45 AM
  #8  
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If you used renesis housings youd have a bomb or something haha therd be no exhaust ports at all lol
lmao, yep, I don't know **** about the renisis.

Can you give me some links to pages that tell you how it differs from the 13b? and any pictures of the actuall engine with the new intake setup. I havent found **** myself.
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Old Dec 31, 2004 | 02:48 AM
  #9  
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Try and download the Renesis rotary module Flash file. It shows how the Renesis works.

The intake setup is about the same. The Renesis rotor housings have no exhaust port. The exhaust port is on the irons and just below the intake. While our standard engines have intake on the irons, but exhaust ports on the rotor housings.
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Old Dec 31, 2004 | 02:49 AM
  #10  
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Originally Posted by Dan H
Try and download the Renesis rotary module Flash file. It shows how the Renesis works.

The intake setup is about the same. The Renesis rotor housings have no exhaust port. The exhaust port is on the irons and just below the intake. While our standard engines have intake on the irons, but exhaust ports on the rotor housings.
I see! I thought the renesis housings had an exhaust port, but just on the other side or some crap.

A link to this flash please?
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Old Dec 31, 2004 | 02:50 AM
  #11  
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you can see in this pic how the intake(top) and ex(bottom) ports are on irons. on the fc engine the exhaust exits from the same side, but from a peripheral(on the housing) port.

i just did a google search, theres heeps of cutaway pics and info round

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Old Dec 31, 2004 | 02:52 AM
  #12  
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https://www.rx7club.com/showthread.p...renesis+module
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Old Dec 31, 2004 | 02:55 AM
  #13  
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THANK YOU, great stuff.
Page three is what you want people if your like me and don't know jack **** about this engine

yes, I don't know jack **** about this engine. That part, is extremly clear now. extremley clear.
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Old Dec 31, 2004 | 03:08 AM
  #14  
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er.. yep the renesis is an extre-m-e-l-y good engine lol
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