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Kid Documents Turbo Miata Build
I joined this forum about 10 months ago, I got shit on For the right reasons and have learned a lot. Thank you to the numerous users on this forum that have guided me towards the right direction. Today I am starting to Document/Log my first ever forced induction build.
The Background: I initially had 3 miatas, all in this order . A 1997 Miata that ended up getting flipped, 1990 miata flipped as well, 1991 miata . I wanted more power from the 1991 Miata. So what do I do? I got on the forum and with limited research and knowledge, asked a good amount of stupid questions and get absolutely toasted. Couple weeks later the 1991 piece of crap was sold. The search was on for a 1.8. Within a month I found a decent 1995 Miata on iaai pop up.... https://cimg0.ibsrv.net/gimg/www.mia...6f701a9d72.jpg She came home a few weeks later. She sat through the winter. https://cimg9.ibsrv.net/gimg/www.mia...77eadbe16c.jpg A couple months later a big ass rock almost killed me https://cimg2.ibsrv.net/gimg/www.mia...7a2d4f5221.jpg Tein Flex Z coilovers were purchased off the classifieds https://cimg3.ibsrv.net/gimg/www.mia...b9a4b896db.jpg Post coilover install https://cimg8.ibsrv.net/gimg/www.mia...4662fb53be.jpg 99 NB restored wheels on https://cimg2.ibsrv.net/gimg/www.mia...1942c8c324.jpg Upgraded Ebay special Dual Core Full Aluminum Radiator https://cimg0.ibsrv.net/gimg/www.mia...3c8f095e50.jpg -Second fan not on because it didnt work- Plan: Within the next month, as soon as I get more comfortable with megasquirt/Tunerstudio. I am going to hook up aDiy MS2 and an Aem 30-4110 wideband. Drive it around learn basic tuning skills. Pull the motor in the winter. Replace front main seal, rear main seal, cam angle sensor o-ring, etc. Plop the motor back in, slowly and precisely install the turbo parts. Base tune, Drive to dyno tuner and that should be that. ... ( This is a highschool project for my automotive independent study class. Shop space and tools will not be a problem). Current Parts (still in progress) : https://cimg3.ibsrv.net/gimg/www.mia...65dfa9b28b.jpg Collected Parts List - Diy MS2 w gm iat -Aem 30-4110 Wideband -Deatchwerks 750cc injectors w pigtails -GT2871 Churbo -Chinesium Cast iron manifold -Tail Mvs 38mm ewg 8 psi spring -Oil feed/return lines and fittings -$30 mechanical boost gauge -3D printed gauge pod -Chinesium 2.5inch intercooler with piping -3inch Down pipe flange with 90 tight mandrel bend 3inch In Search Of: -Blow off valve -Turbo water lines -3inch pipe for exhaust -Studs - .... |
Go read the How to EBAY Intercooler thread. That one you have is about the worst. IIRC
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Will do thank you for the heads up.
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Compression Test
Cylinder #1 150
Cylinder #2 145 Cylinder #3 150 Cylinder #4 155 |
ready for boost.
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Leak Down Test
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Acquired Oem Toyota Denso 90080-19016 Coil On Plugs.
Going to build them soon, waiting on connectors to come https://cimg4.ibsrv.net/gimg/www.mia...2ef949078.jpeg |
Vacuum line routed, Gm iat situated
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Surprise
I was very happy to find out that i am one of the lucky ones with the high pressure oil feed plug in my 1.8 Block.
https://cimg5.ibsrv.net/gimg/www.mia...e07aee0ab.jpeg |
Engine is Out
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https://cimg0.ibsrv.net/gimg/www.mia...08215220c.jpeg
https://cimg2.ibsrv.net/gimg/www.mia...225df2bbd.jpeg pulled the valve cover and to my surprise timing belt has recently been replaced with a gates timing belt please excuse the Fram oil filter. |
*Update*
Engine has been fully resealed
Front crank seal Rear Main seal Cas O ring Valve cover gasket Exhaust/Intake Gaskets -- Acquired FlyinMiata Fm1 Clutch and Resurfaced Stock Flywheel also shaved 5lbs off 3" 304 Stainless Exhaust piping Question for any of you welders out there, I'm planning on using 308L wire along with C25 gas. I know your not supposed to use this gas but I've seen that its doable but the recommended gas is obviously the Tri-mix. Is it worth shelling out the extra $150+ since I will have no other use for it? https://cimg8.ibsrv.net/gimg/www.mia...508a999035.jpg https://cimg4.ibsrv.net/gimg/www.mia...0957cc7643.jpg https://cimg9.ibsrv.net/gimg/www.mia...947c500f1e.jpg https://cimg9.ibsrv.net/gimg/www.mia...e140317be5.jpg https://cimg0.ibsrv.net/gimg/www.mia...4b1d8e7a2c.jpg https://cimg1.ibsrv.net/gimg/www.mia...a6a48b423a.jpg https://cimg9.ibsrv.net/gimg/www.mia...34edd44363.jpg |
C25 with stainless is a no no. The welds will corrode like a mofo.
100 percent argon is another option. |
You should trim the tray so that you have room for your 3” DP, particularly since you have a turbo that sits between #2 and #3. Mikel started a thread “what all should I do when my engine is out” that I posted some pics of my cut-and-weld or you can check my album and find them there.
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Will do thanks for the info.
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WOW
Due to the Corona Virus Pandemic my car is going to be stuck on the school autoshop lift for who the hell knows how long. Hopefully they'll let me back in to take my project home or work in the shop
https://cimg5.ibsrv.net/gimg/www.mia...5d7720fd72.jpg. Any suggestions??? |
Contact school and plead your case to get car off lift and tow car away.
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https://cimg6.ibsrv.net/gimg/www.mia...037c804ea1.png
I was able to flat tow my miata home from the school autoshop. finally replaced the worn cam in my dads 04 jetta tdi cleared room in the garage for this thing. https://cimg4.ibsrv.net/gimg/www.mia...cc3629ad1c.jpg Dropped the motor in so I could measure what I had to cut from the shelf. https://cimg5.ibsrv.net/gimg/www.mia...bd71fb95c2.png This is what I trimmed. https://cimg6.ibsrv.net/gimg/www.mia...b435b9a30d.jpg 1 1/2 cut of wheels later I cut most of the shelf out. https://cimg7.ibsrv.net/gimg/www.mia...7841bdb6c1.jpg Here is the template to cover up the steering shaft. Will be painting over the trimmed area to prevent rust https://cimg8.ibsrv.net/gimg/www.mia...83325d48a8.jpg Got C25 for the shelf and 100% Argon for Stainless exhaust. More updates on the way |
in4 updates
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This is a good time to plan out a heat shield for the brake master and putting the proportioning valve on the fender side of the master. That’s also a corner to put an EBC.
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