Miata Turbo Forum - Boost cars, acquire cats.

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-   -   Working on a Mazdaspeed miata turbo install in an 94 M-Edition. (https://www.miataturbo.net/diy-turbo-discussion-14/working-mazdaspeed-miata-turbo-install-94-m-edition-102515/)

Cody Strife 04-05-2020 01:39 AM

Working on a Mazdaspeed miata turbo install in an 94 M-Edition.
 
1 Attachment(s)
Who said it couldn’t be done, and honestly easier than I thought it would be. Had to do very little modifications to make this work; it’s smooth and simple power (and very quiet power) without a fuss.

Yes, I kept power steering and A/C, and used almost all the MSM charge pipes. Fired it up today and it runs like a champ. Using a first generation power card (the ultimate in engine management with the Official Miata.net Seal of Boomer Approval) with a normally open pressure switch to short O2 signal to ground during boost. All in all, To have less than 500 dollars in this turbo install, which includes the 50 dollars I paid for the pressure switch and power card, I came out pretty good, and we can all agree it will still have better drivability than a MSM Miata with factory ECU; seriously, I am not joking when I say that either, it’s that bad...

As far as the exhaust goes? I am going with the OEM MSM downpipe with built in catalytic converter and I am going to weld that to the rest of the OEM NA exhaust (NA cat already removed), the goal here for me isn’t loads of power, I already have that with my 10AE turbo, the goal is 140 rwhp and equivalence in torque, and factory appearance, I don’t even want a boost gauge, just straight 7.5 psi wastegate should do it for me.





https://cimg5.ibsrv.net/gimg/www.mia...e618ad860.jpeg

Cody Strife 04-05-2020 01:56 AM


Here is a first start video, was impressed, no problems at all, no air leaks or coolant leaks, nothing. I maintained the IAC valve as well, a/c on and the car idled right where it should be.

Cody Strife 04-06-2020 03:18 AM

Got everything bolted back up and the engine bay finished, the car drives perfect, quiet, simple, 6.0 psi of boost. Tallied up the cost, 564 dollars and sixteen cents, and a couple of weekends vested in this project.

Outstanding...
https://cimg8.ibsrv.net/gimg/www.mia...cfcf53662.jpeg

https://cimg0.ibsrv.net/gimg/www.mia...2eba17866.jpeg

Marlond 04-07-2020 09:57 AM

Good Job, looks stock.
now for the fun:
replace intake
replace tb inlet elbow and bypass valve
get a eBay downpipe while they last
replace turbo outlet to Intercooler pipe
replace Intercooler
Hope your “Ecu” can keep up

Cody Strife 04-08-2020 05:30 AM


Originally Posted by Marlond (Post 1566309)
Good Job, looks stock.
now for the fun:
replace intake
replace tb inlet elbow and bypass valve
get a eBay downpipe while they last
replace turbo outlet to Intercooler pipe
replace Intercooler
Hope your “Ecu” can keep up

Nope, already got all that going on a 1999 10AE. I like this car because it looks stock and is more quiet than stock.

andyfloyd 04-08-2020 09:52 AM

For what you're going for it's perfect. I approve sir.

Cody Strife 04-08-2020 02:41 PM


Originally Posted by andyfloyd (Post 1566430)
For what you're going for it's perfect. I approve sir.

Exactly, it isn’t the loudest or the fastest; but rather, refined, quiet, and smooth.

borka 04-09-2020 08:43 AM

Did you install a wideband to verify power card supplies correct fueling in boost?

Cody Strife 04-09-2020 04:26 PM


Originally Posted by borka (Post 1566541)
Did you install a wideband to verify power card supplies correct fueling in boost?

Used my innovate portable wide band, works good, on the rich side ((11:1)) but acceptable, no knock, 2 degrees of static timing retard. Perfect drivability, no perceivable difference in idle quality.
https://cimg1.ibsrv.net/gimg/www.mia...23f77c0b3.jpeg


Got the oem fans installed. I’m done.


Cody Strife 04-09-2020 08:23 PM

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https://cimg2.ibsrv.net/gimg/www.mia...629036ccb.jpeg
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