Rx7 twin turbo setup
 

Ok I'm gonna go ahead and go for it so please don't flame me on this one lol

My buddy has a 93 3rd gen rx7 and is selling both stock turbos, manifold, intercooler, and downpipe will this work on the renesis? I know I'll have to get fuel management and i dunno maybe some other stuff but will this work? Sry I've looked I'm not a good searcher like all you cool guys haha

The guy you are looking for is "Renesis SE3P". He knows all about this install and currently has one of the best setups out there. Good luck with it.

^^what he said

oh and...

FTMFW!!
http://www.mazdamaniac.com/images/misc/penta-turbo.jpg

Thanks guys I messaged him a lil while ago and 1 or 2 turbo is enough 5 is just retarded lol

omg your not seriuos right

hey read the rules no hating we have the same car :)

By 342 posts, you should learn that this question is that on the path to failsauce.

http://holydueg.files.wordpress.com/2009/02/fail4.jpg

Renesis SE3p ftw. he will have the answer for sure

The two engines are completely different won't work, but if you hang around long enough all the people that replied before me will be glad to take you snipe hunting too ...

Renesis SE3P.... :suspect:

:suspect: To help or not to help?

:suspect: Tiz the question

:yesnod: I want to know please

serious response.

13b rew exhaust ports
Attachment 271025

13b renesis exhaust ports
http://www.rotaryengineillustrated.c...ges/img007.jpg

they arent even on the same pieces of metal.

Please help I want to know like i said i couldn't find shit

^^^ soooooooooooooooo, that means????


jk :lol:

wow cool forums

We are just messin with ya. The simple answer is no dude. :)

^:rofl: everyone know renys have side ports. Hahaha! You really need to use the search button and do some homework.:icon_no2:

Seriously dude, read up on the RX-8. Know what you are driving so you can research properly. Stupid questions get stupid answers.

You should probably read my first post cuz I have tried haha

You know it! This place rules. To bad you don't like it but I think its great.:D: :yesnod:

You will get the hang of it. It's a pain at first, but if you mess with the search function enough, you will learn to understand better how it works. Good Luck! :)

I think it's great but I told you I've tried I didn't really find anything and you guys are saying no but the 2nd post said that renesis se3p has the same setup on his car so I'm getting 2 different answers

Omg this picture is pure win.
5 turbos... :rofl:

wow. way to miss my post. i actually answered your question.

Renesis se3p does have that set up. He's a mechanical genius. :yesnod:

https://www.rx8club.com/series-i-major-horsepower-upgrades-93/rx-7-fd3s-rew-13b-rx-8-a-184531/ here this guy just changed the whole motor out not just parts.

this is full of roflsauce!

nice job renny :yesnod:

Rev: that's a super clean rew setup in that 8. :yesnod:

Ok thanks

King this thread was pure win lol

If you can fit the assembly in there (and that's a big IF) and fabricate a custom manifold with custom machined flanges they could definitely be made to work, either sequentially or non sequentially.

https://www.rx8club.com/attachment.p...1&d=1255558963

You can see that the factory twin turbos have three inlets. The leftmost is the main passageway to feed the primary turbo under low rpm. The middle passageway controls the rate at which the secondary turbo spools up before coming fully online, and is controlled by a wastegate style actuator called the precontrol valve. The rightmost port opens once its time for both turbos to be online at the same time. This is called the turbo control valve/port. Normally during a nonsequential conversion the precontrol and turbo control doors (which are inside the middle and rightmost port) are forced open all time. You could run them sequentially as well. You need two manual boost controllers (could get away with one EBC as well), and four 3 port solenoid valves. You need the charge control solenoid for the compressor outlet Y pipe butterflies, charge relief solenoid for the presool blowoff valve, and two solenoids for the turbo control actuator. Then you could use either use two MSD rpm window switches (one for charge relief, one for turbo/charge control solenoids) or possible get away with one MSD switch by using the normally open contacts on a 5 pin relay to switch the turbo/charge control solenoids. It could be done even more simply if you ditched the pressure solenoid for the turbo control valve and only used vacuum for it.

I'm not saying it's worth it, I'm saying though it's not THAT complicated if you know how everything works. Fitment is the only real issue if you had access to a welder and could get a machine shop to make the flanges.

https://www.rx8club.com/attachment.p...1&d=1255559660
flow diagram

And yes, it's possible to feed two turbos with three exhaust ports. The 20B did it from the factory.

https://www.rx8club.com/attachment.p...1&d=1255558963
20B HT15/HT10 twin turbo assembly above, 13B-REW HT12 twin turbo assembly below

https://www.rx8club.com/attachment.p...1&d=1255559772
another pic of the 20B turbo assembly

I've never seen a picture of the 20B factory exhaust manifold though.

if anybody cares... here is the basic vacuum routing diagram for the sequential setup:

https://www.rx8club.com/attachment.p...1&d=1255561246

and here is the solenoid control logic from the factory. you would want to use lower RPM values than that if you don't have throttle position based control, usually around 4000rpm is good.

https://www.rx8club.com/attachment.p...1&d=1255561345

original article here: http://www.rx7club.com/showthread.php?t=841821

although you can see why people just go nonsequential.

My god, I've never actually seen the FD's stock turbo setup before. That thing is terrifying.

you think that's terrifying... try viewing the "real" vacuum routing diagram with full emissions equipment :rollingla

http://www.rx7.org/Robinette/images/hoses.gif

all the extra stuff in this diagram (compared to the first one which is just for the turbos) is for emissions or driveability. Mazda eliminated pretty much all of it in the Rx-8 by switching to drive-by-wire, a returnless fuel system, and side exhaust ports. A lot of those solenoids and hoses are for the air pump (which was very complicated to control but still not as bad as the 2nd gen airpump), EGR, a return fuel system, or the idle speed control valve and 80s/90s two stage mechanical throttlebody.

^^^ thanks man you def helped me out alot but it seems more trouble than it's worth but I thankyou for helping me out you def know your stuff...but it would probably easier just to swap out engines (and tranny) lol

eh. Never mind. Showing up to the party late.

Yo the rx8 fourms is quikly turning into the SUPRA furms. Its like you cant ask noob questions because people FLAME you with FAILS etc. like its there job. In my book no question is a stupid question, and if your not going to contribute positivily to a post then dont post. SHIT gets me soooooooo Pissed.

Thankyou lol Looking into the swap now http://www.jdmracingmotors.com/produ...products_id=71

So what your saying is it won't Work. Why not??? j/k
No seriously though yoink the turbo's atleast if its a good price. Also any other pieces you can grab. Might as well. Anything can be fabbed.

can it be done, sure.

is it feasible or cost effective, no.

unless you just have a REW motor laying around, and are capable of doing all the work yourself, you'll almost certainly spend much more getting it done than to just properly increase the Renny's power to the levels you're after

It IS possible but it isn't a bolt-on as the running joke here goes.

But Paul is correct- the time and money involved in getting the FD twins in the car isn't worth it in the end compared to putting a nice single turbo on your Renesis.

Serious answer: don't do it.

• no one here has done it
• would be VERY expensive
• would require lots of custom fabrication
• keep in mind: lots of 3rd gen owners TOOK OUT the Twin Turbo setup to go for a more efficient single turbo layout.

oh, and forget about the swap, that too would look very similar to my list above.

maybe you looking for one like this would be better
http://cgi.ebay.com/ebaymotors/JDM-E...Q5fAccessories

http://cgi.ebay.com/ebaymotors/JDM-1...Q5fAccessories

I agree. Lots of FD guys take out the twin turbos for a single setup, because newer single turbos can do better. So the only reason to use an old sequential setup is to do it cheaper, but the work and fabrication it'd require would make it more expensive than other options.

I had a buddy with a 93 FD and the first thing he did was swap the twins for a single. After a lot of work and money, he dyno'd at 450 rwhp. The car was crazy.