1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Manifold for 3 rotor swap

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Old Nov 4, 2006 | 01:45 PM
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Manifold for 3 rotor swap

I'm getting a 3 rotor complete engine in January and trying to price this swap to see if it's worth it. I have 414 RWHP now @ 15psi and want to have the same power @9 psi with the 3 rotor. Where can i get a custom exhaust manifold with a T04 flange on it? What's the going price for one? If i decide not to use the engine. I will post it for sale here..
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Old Nov 4, 2006 | 01:49 PM
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just so you kow there's a 3 rotor performance section in this forum, you might be able to get better answers from there.

https://www.rx7club.com/20b-forum-95/

this is the it. the 20b forum, for the rich to see us the poor we look at the firgures and just count how many first gens we can build with a single one of their swaps lol
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Old Nov 4, 2006 | 01:55 PM
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I can't help at all other than say you have 400+ hp already, put the 20B up for sale now before I start buying the rest of the parts for my TII swap. LOL
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Old Nov 4, 2006 | 02:39 PM
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Originally Posted by trochoid
I can't help at all other than say you have 400+ hp already, put the 20B up for sale now before I start buying the rest of the parts for my TII swap. LOL
lol.. good one...
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Old Nov 4, 2006 | 02:58 PM
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Originally Posted by gonzz
lol.. good one...

RX-3mist....He is currently working in one of our cars...3rotor.

Last edited by Siraniko; Nov 4, 2006 at 03:17 PM.
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Old Nov 4, 2006 | 03:25 PM
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Originally Posted by wackyracer
RX-3mist....He is currently working in one of our cars...3rotor.
Mel, your the man.. I'll be home next weekend for the springs..
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Old Nov 4, 2006 | 03:28 PM
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Originally Posted by gonzz
lol.. good one...
Yeah, but is it good enough to get an offer? I probably won't be starting my build til Jan., but who knows if I will still have any cash by then?
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Old Nov 4, 2006 | 03:35 PM
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Originally Posted by trochoid
Yeah, but is it good enough to get an offer? I probably won't be starting my build til Jan., but who knows if I will still have any cash by then?

Send me your all your cash. I will play BET MORE, WIN MORE on your behalf when I go to Las Vegas next weekend. I can taste the non-stop heine from them waitress in mini skirt and low tops. hmmm

And yes, Steve. I will call you. thanks bro.
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Old Nov 4, 2006 | 03:54 PM
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Originally Posted by wackyracer
Send me your all your cash. I will play BET MORE, WIN MORE on your behalf when I go to Las Vegas next weekend. I can taste the non-stop heine from them waitress in mini skirt and low tops. hmmm

And yes, Steve. I will call you. thanks bro.
Well, since I don't drink or gamble, I suppose I could send you as a surrogate in my place. LOL

I still need to PM you about a 48 dcoe if you have one that is/can be jetted for my 12A 1/2 bp. Even though the engine is coming out in a couple of months and probably going up for sale, I would still like to find it's real potential. I'm sure the 44 PHH isn't showing it.
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Old Nov 4, 2006 | 04:10 PM
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If you get the 3 rotor than you have to give me a ride. That will awesome with a 3 rotor. Then will you give me your old setup?? Just kidding
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Old Nov 4, 2006 | 06:07 PM
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Originally Posted by twinkletoes
If you get the 3 rotor than you have to give me a ride. That will awesome with a 3 rotor. Then will you give me your old setup?? Just kidding
I wanted the first 3 rotor setup in Las Vegas but Jesse beat me to it. He was at sevenstock with his 3 rotor FD..
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Old Nov 4, 2006 | 06:08 PM
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Originally Posted by twinkletoes
If you get the 3 rotor than you have to give me a ride. That will awesome with a 3 rotor. Then will you give me your old setup?? Just kidding
Did you ever make it to 7 stock?
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Old Nov 4, 2006 | 06:37 PM
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Ya, i did. My friend and I went in his parents car. I was going to talk to you, but you had a few people looking around your car and talking to you so i thought i would later but never was able to. My friend and I were like the last ones from sevenstock. We were taking pics of all the cars leaving sevenstock. I said "gun it steve," but i don't know if you remember.
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Old Nov 4, 2006 | 07:54 PM
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A few things to think about..

1) There's ALOT more left in your setup. At 15 PSI, my car was making 457whp.
2) Tune it up to 20+ PSI. You'll love it. More boost may not be much more HP, but it will have a shitload more torque.
3) Going 3 Rotor, very little of your current setup will be able to swap over.
It will be like starting from scratch, and adding 50% to the bill.
4) 20B intermediate (fat) plates are extremely rare right now. They are selling just that one plate for over $2K right now. Mazda stopped making them.

5) I have not seen any long term running 20B's. They all seem to "pop" when making decent horsepower. They don't like the high RPMs, and they don't like the twisting. Rebuild costs are astronomical.

All these things made me decide to build another 2-rotor for my car. I am building a half-bridge with ceramics. It should be good for 700rwhp when finished.

I am still keeping my current engine/setup. It's eventually going into an RX-8 for me.

I think you need to go for a ride in your car with the boost up before you decide to swap the whole thing out.
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Old Nov 4, 2006 | 08:01 PM
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You better post those dyno videos and some other videos when you get your new setup DF
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Old Nov 4, 2006 | 08:46 PM
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Originally Posted by Directfreak
A few things to think about..

1) There's ALOT more left in your setup. At 15 PSI, my car was making 457whp.
2) Tune it up to 20+ PSI. You'll love it. More boost may not be much more HP, but it will have a shitload more torque.
3) Going 3 Rotor, very little of your current setup will be able to swap over.
It will be like starting from scratch, and adding 50% to the bill.
4) 20B intermediate (fat) plates are extremely rare right now. They are selling just that one plate for over $2K right now. Mazda stopped making them.

5) I have not seen any long term running 20B's. They all seem to "pop" when making decent horsepower. They don't like the high RPMs, and they don't like the twisting. Rebuild costs are astronomical.

All these things made me decide to build another 2-rotor for my car. I am building a half-bridge with ceramics. It should be good for 700rwhp when finished.

I am still keeping my current engine/setup. It's eventually going into an RX-8 for me.

I think you need to go for a ride in your car with the boost up before you decide to swap the whole thing out.
Yah I was pricing eveything i would need and it's probably not worth the swap. If I blew the engine I would be screwed.. I have 3 engines coming so I can use a -rew block also and retain all my stuff.. I want a 1/2 bridge.. Thanks directfreak for the info.. I haven't seen any videos in a while? Awsome work on them..
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Old Nov 4, 2006 | 09:51 PM
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Originally Posted by gonzz
Yah I was pricing eveything i would need and it's probably not worth the swap. If I blew the engine I would be screwed....
Exactly. As you know, it's not a question of "If", it's a question of "when" when
putting out real power.

Originally Posted by gonzz
I have 3 engines coming so I can use a -rew block also and retain all my stuff..
Nice.. Real Nice... My other engine is another RE (Cosmo), but I am using New FD housings, and a totally different intake setup.

Originally Posted by gonzz
I haven't seen any videos in a while? Awsome work on them..
All I have is this:
https://www.rx7club.com/rx-7-audio-visual-lounge-143/multicam-1-0-a-588925/

I will be recording some new footage on Nov 11, with the entire South Florida
RX-7 Club.
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Old Nov 5, 2006 | 02:01 PM
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Can't wait for the new footage.. Who is going to make your new custom uim? Is it going to be like the 685 RWHP FD one you shot the video for.. That thing was sick..
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Old Nov 5, 2006 | 06:10 PM
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Ya, the new video will be sweet, i bet. Yes, the FD video was awesome too.
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Old Nov 7, 2006 | 02:13 AM
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Originally Posted by gonzz
I wanted the first 3 rotor setup in Las Vegas but Jesse beat me to it. He was at sevenstock with his 3 rotor FD..
you can still have the first 3 rotor first gen (jdm sa22c) at that in probably your entire state.
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Old Nov 7, 2006 | 02:21 AM
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From: chamber of farts
Originally Posted by gonzz
I'm getting a 3 rotor complete engine in January and trying to price this swap to see if it's worth it. I have 414 RWHP now @ 15psi and want to have the same power @9 psi with the 3 rotor. Where can i get a custom exhaust manifold with a T04 flange on it? What's the going price for one? If i decide not to use the engine. I will post it for sale here..
I just wnated to know, what kind of body kit is on your SA?
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Old Nov 7, 2006 | 02:24 AM
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I'm pretty sure its custom^
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Old Nov 8, 2006 | 02:12 PM
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Originally Posted by Directfreak
Exactly. As you know, it's not a question of "If", it's a question of "when" when
putting out real power.

Nice.. Real Nice... My other engine is another RE (Cosmo), but I am using New FD housings, and a totally different intake setup.


All I have is this:
https://www.rx7club.com/showthread.php?t=588925

I will be recording some new footage on Nov 11, with the entire South Florida
RX-7 Club.
DF is Jesus to me.....MORE VIDS!
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Old Nov 8, 2006 | 02:36 PM
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Originally Posted by ChunkyMonkey
DF is Jesus to me.....MORE VIDS!
+1
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