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-   -   My 1990 rotary miata turbo(s4 fc 13b) (https://www.rx7club.com/build-threads-294/my-1990-rotary-miata-turbo-s4-fc-13b-1110556/)

12a_rx7 02-13-17 02:17 AM

My 1990 rotary miata turbo(s4 fc 13b)
 
I know it's not an rx7 (I sold my 2 rx7s recently) but it's still rotary ☺All mods done by myself so excuse the imperfections haha.
My Drawthru build.
S4 13b
44phh mikuni
12a front cover, gslse 13b pan
12a dizzy with 2gcdfis


https://cimg6.ibsrv.net/gimg/www.rx7...de4ebb23ea.jpgHybrid turbonetics turbo (carb tuning in progress)
Please share your drawthru turbo builds. I would like to see em! Thanks for looking. It's still a work in progress.

12a_rx7 02-13-17 02:26 AM

https://cimg1.ibsrv.net/gimg/www.rx7...c4c3a1992e.png
https://cimg3.ibsrv.net/gimg/www.rx7...790123b513.jpg
https://cimg4.ibsrv.net/gimg/www.rx7...c9cbf598bd.jpg
https://cimg6.ibsrv.net/gimg/www.rx7...b811869715.jpg
https://cimg2.ibsrv.net/gimg/www.rx7...b8fc1615c5.jpg

WondrousBread 03-02-17 05:25 PM

I like it. Do you have any dyno results?

Also, and forgive my ignorance because I've never worked with a turbo before, but is that pipe that goes up through the hood at the back of the bay a straight-pipe? Ie. No exhaust?

AlbinoGlowStick 03-03-17 11:17 PM

This is freaking awesome.

RotaryEvolution 03-04-17 12:27 AM

it's a straightpipe, and i'd probably be pissed if he drove that thing within half a mile of me with how obnoxious it would sound.

Narfle 03-06-17 12:51 AM

Craziest thing I've seen. Get some vids up!

13.bREW 03-06-17 11:12 AM

YAS YAS YAS!!!! Can you get a video and some dyno numbers. I love the rat rod-ness of this.

12a_rx7 03-09-17 02:29 AM


Originally Posted by WondrousBread (Post 12157859)
I like it. Do you have any dyno results?

Also, and forgive my ignorance because I've never worked with a turbo before, but is that pipe that goes up through the hood at the back of the bay a straight-pipe? Ie. No exhaust?

I haven't tried it on a dyno yet but the power kinda feels like probably low 200s range. Not bad for 6psi. And the pipe exiting the hood is my down pipe. Straight up loud af but I love seeing the flames 👌

12a_rx7 03-09-17 02:30 AM


Originally Posted by Narfle (Post 12158948)
Craziest thing I've seen. Get some vids up!

Thanks man. I have some vids on my instagram. I haven't uploaded any on YouTube. Maybe I should. I have a few drifting vids. My instagram is: drifteron

12a_rx7 03-09-17 02:33 AM

My entire build.
https://www.instagram.com/drifteron/

First start up to drifting vids 👌

12a_rx7 03-09-17 02:40 AM

https://cimg9.ibsrv.net/gimg/www.rx7...f76ad4137a.jpg
https://cimg2.ibsrv.net/gimg/www.rx7...f81f1a1e21.jpg
https://cimg3.ibsrv.net/gimg/www.rx7...cb32d7169.jpeg
https://cimg4.ibsrv.net/gimg/www.rx7...bdc1711a3.jpeg
https://cimg5.ibsrv.net/gimg/www.rx7...486995091.jpeg

`iCED 03-17-17 08:24 AM

Is that a knightsports rf320 you have on there? I have that same turbo, making ~300whp on it.

IO_303 03-17-17 08:35 AM

What intake manifold are you using?

12a_rx7 03-18-17 10:25 PM


Originally Posted by `iCED (Post 12163552)
Is that a knightsports rf320 you have on there? I have that same turbo, making ~300whp on it.

It's a turbonetics hybrid using the s5 stock hot side. Heard it's good up to 370+hp

12a_rx7 03-18-17 10:31 PM


Originally Posted by IO_303 (Post 12163556)
What intake manifold are you using?

https://cimg1.ibsrv.net/gimg/www.rx7...bf80986d19.pngRace cast. Exact one i purchased. Im running a 12a to 13b 6port intake adaptor.

12a_rx7 03-21-17 04:59 AM

https://cimg8.ibsrv.net/gimg/www.rx7...701649e16e.jpgBeing prepped for paint
https://cimg4.ibsrv.net/gimg/www.rx7...ced193e449.jpgTeaser
https://cimg9.ibsrv.net/gimg/www.rx7...7935abe112.jpgFan shroud that I made from 16 guage aluminum plate

12a_rx7 03-26-17 04:31 AM

https://cimg2.ibsrv.net/gimg/www.rx7...544a391cc9.jpgFinally painted. 😄
https://cimg3.ibsrv.net/gimg/www.rx7...f3d489f6e.jpegMy hood exit is fucking sweet

Narfle 03-26-17 04:36 PM

Approved.


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