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Old 01-15-2014, 03:57 AM   #1
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Default Yezzir Montego 94-M Turbo Build

Hi all, here is my miata build thread, mainly focusing on the turbo build, but I will also include parts of the journey prior to turbo.

I bought my 94 m-edition about 2 years ago with close to 124k miles. All stock. Let the pics commence (note: pics start off pretty crappy but get better as I upgrade cameras/phones, so bare with me)! Also, since I'm doing it all at once, there are a lot of details that I'm skipping. Enjoy.

After I first bought it and washed it




First thing I did was get a Flyin' Miata Front sway bar and a hard dog roll bar. man, i hated this phone/camera



Next were wheels and tires: Bronze 15x8 6UL's and Hankook R-S3's 225/45/15





One day it snowed quite a bit, and we were stuck at home without power for the entire day. So what did my brother and I do? build a snow miata!



Switching out the stock exhaust for a Jackson Racing exhaust, which my brother handed down to me



Also got front/rear OEM mud guards



Next thing to install were Megan EZ Street coilovers



Lowered, but really dirty...didn't have time to wash it!






EDIT: breaking up the pics into more posts below
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Last edited by Yezzir; 01-15-2014 at 08:36 PM.
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Old 01-15-2014, 04:04 PM   #2
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Awesome! Great looking car. Props to you sir.
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Old 01-15-2014, 04:14 PM   #3
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That is doing it right the first time, nice work, and pretty color!

That actuator bracket is the definition of overkill!
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Old 01-15-2014, 07:15 PM   #4
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Quote:
Originally Posted by turbofan View Post
Awesome! Great looking car. Props to you sir.
Thanks for the props!

Quote:
Originally Posted by Jeffbucc View Post
That is doing it right the first time, nice work, and pretty color!

That actuator bracket is the definition of overkill!
Thanks! Yeah, at least I can be confident that the bracket won't be crapping out on me haha
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Old 01-15-2014, 07:56 PM   #5
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If you'd separate some of those posts I'd prop them lol the car just looks really great man. And I love the snow Miata. Awesome.
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Old 01-15-2014, 08:06 PM   #6
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Damn.... talk about doing a ******* great job right from the get go.... this is one of my new favorite cars on here.... haha
GREAT job man!!!
But in all seriousness.... you should have put that motor in the snow miata.... lmao
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Old 01-15-2014, 08:38 PM   #7
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Installing a lip





Cleaned up the car and bam!







alumiwelding a custom license plate bracket






Some more progress

Oh, what's this? About to bend something on the bending break


A laser-cut stainless steel gauge/radio mount! We don't like paying for things that we can make ourselves



Getting ready for the turbo install, so my brother and I installed an MS3X and wideband.



Got some goodies for the interior: Nardi Classic 230mm with NRG quick release and short hub, and a Nardi teardrop shift ****. The wheel is a bit small for my taste and it blocks my view of my speed. Other than that, I love both.


Last edited by Yezzir; 01-15-2014 at 08:56 PM.
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Old 01-15-2014, 08:39 PM   #8
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Now for the actual turbo project... First thing we did was buy an engine to rebuild. We got an engine from an Escort GT, which we were going to use the block from, and then we took the head of another miata engine. Got it all cleaned up and machined at the shop and started to build the engine with forged rods.



After making sure all the pistons/rods were balanced, we started piecing the thing together





Curly pointed out that the blue T fitting would be potentially weak, so you'll see later on that we beef it up.

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Old 01-15-2014, 08:40 PM   #9
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TURBO INSTALL

My original plan was to use a Garrett T25 off a bluebird SR20, but when we tried to clock it, it was seized. So I decided to grab my cousin's chinacharger and had to make a custom bracket for the wastegate actuator









We wanted to keep the A/C but it was too much trouble to get around it with the piping and everything. So after a few attempts, we decided to ditch it.



Done with coolant reroute, installed the Tial BOV, relocated the cruise control, using a custom bracket , relocated the wideband, got the COPs on, now for changing the T-fitting



That's better...big brass fittings (no longer aluminum) and a thicker plate. I made the top heat shield from an old computer case that was laying around lol.



Painted the mounting plate and installed boost gauge. had to shave a bit off of the bevels so that they would fit together, side-by-side.



After adding in all the fluids, it was time to fire it up. Thankfully, it started up fine



After breaking in the engine, I've been able to reach 10 psi, so far. No leaks and everything is working as it should. Will continue to update!
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Last edited by Yezzir; 01-15-2014 at 08:53 PM.
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Old 01-15-2014, 09:09 PM   #10
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Quote:
Originally Posted by turbofan View Post
If you'd separate some of those posts I'd prop them lol the car just looks really great man. And I love the snow Miata. Awesome.
Thanks for the tip!

Quote:
Originally Posted by supercooper View Post
Damn.... talk about doing a ******* great job right from the get go.... this is one of my new favorite cars on here.... haha
GREAT job man!!!
But in all seriousness.... you should have put that motor in the snow miata.... lmao
Thanks man! I wouldn't have been able to do it without my mad scientist brother. It's his second time building a turbo miata so I trust his knowledge. LOL damn good suggestion. well, at least we have the stock engine for the next snow storm
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Old 01-15-2014, 09:33 PM   #11
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Super excellent build thread, straight to the ******' point. It looks like a forged rod/oem piston build? Awesome. Vlad is a trend setter.

Looks like the next mod you should consider is a bigger radiator. I bet Curly has a hardon for your WG bracket, .
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Old 01-15-2014, 10:43 PM   #12
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living in the NW, a reroute gives plenty of cooling with a stock radiator. I experience overcooling when it's 50 degrees or below. Now if you lived somewhere where it actually got hot, aka New Mexico, that's a different story
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Old 01-16-2014, 08:50 AM   #13
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Quote:
Originally Posted by bmxfuel007 View Post
living in the NW, a reroute gives plenty of cooling with a stock radiator. I experience overcooling when it's 50 degrees or below. Now if you lived somewhere where it actually got hot, aka New Mexico, that's a different story

If your car is overcooling at 10degC (50F), with a re-route, you have a thermostat failure - stuck open. Or a non OEM stat which tend to have much smaller openings.

There's no way an otherwise stock system will overcool.
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Old 01-16-2014, 12:44 PM   #14
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Heh, ok maybe I'm exaggerating with the overcooling at 50 degrees, and yes I have a 180 thermostat, which isn't quite necessary. Yezzir has a 195 thermostat and a correctly routed return heater hose. No cooling issues either

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Old 01-17-2014, 02:27 AM   #15
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Originally Posted by Fireindc View Post
Super excellent build thread, straight to the ******' point. It looks like a forged rod/oem piston build? Awesome. Vlad is a trend setter.
Yep, thats the build!
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Old 01-17-2014, 06:11 AM   #16
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Took the car to our local fabrication guy to cut and weld my test pipe flanges to fit better. It was slightly too long and was causing the exhaust to knock against the diff.



Where the exhaust was meeting the diff BEFORE:



AFTER:



Welded test pipe flanges fitted.

Attached Thumbnails
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Old 01-17-2014, 06:41 AM   #17
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You think this fix will hold up...? I am pretty sure that will burn your car to the ground sooner or later
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Old 01-17-2014, 01:27 PM   #18
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Love the build so far. Great job!
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Old 01-17-2014, 02:38 PM   #19
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You think this fix will hold up...? I am pretty sure that will burn your car to the ground sooner or later
+1, i'd use some fiberglass header wrap and some bailing wire to secure it on instead.
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Old 01-17-2014, 03:34 PM   #20
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Are you talking about the ziptie and the rubber? that was just to serve as padding, to keep it from denting when the exhaust was knocking against the diff. It was taken off after the flanges on the test pipe were modified. The before and after pics just show the gap distance. However, it still knocks a couple times under load
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