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Old 02-09-2011, 01:08 PM   #21
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Great build!!!
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Old 02-13-2011, 10:48 PM   #22
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Got some foward progress. I bought some goodies over that past few weeks and made a trip to the junkyard.

Bought this t3 turbo manifold from another member for $100. It also only weighs about 10 lbs.
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The local pick n pull had a few na6c miatas that I picked up a couple parts from.

I got both of these for about $12. Better price than the $80 most people sell it for. And it works great.
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I also snagged this from a protege. I plan on painting the valve cover gold like an FE3 valve cover. Cost me $15 for both. Not a bad deal.
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Here is the install of the real oil pressure gauge.
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Old 02-13-2011, 11:10 PM   #23
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I've had this turbo laying around from my other mx6 project for a while now. I traded a larger turbo for it years ago. It's a Precision Turbo & Engine GT3251b. It really is a thumbed down version of a garrett gt3271, however this version uses a stage II t3 turbine wheel in an a/r .48 t3 pte housing, while housing the same size compressor wheel in a t04b housing. I think it is capable of 250-300hp at 25psi. However, I will only shoot for 200hp for the mean time
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The only problem I have with this turbo is that the turbine housing has no hole for an internal wastegate. Maybe one can be drilled?
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Another problem is that the turbine wheel got nicked pretty good by some debris. I either have to get a new one or salvage this one.
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Old 02-14-2011, 12:24 AM   #24
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^~ i would vote get a new one.

i like the oil pressure gauge switch however. is that the sending unit too?
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Old 02-14-2011, 08:48 PM   #25
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Yeah that's the sending unit from a 1.6L. The dummy light gauge uses a smaller one the size of a knock sensor.
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Old 02-14-2011, 10:13 PM   #26
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You could find a stage1 t3 housing and overbore it to a stage2 then have the wheel cut down to fit. Of course if you have to pay shop to do that work you're probably looking at the cost of replacing that one- ~$200...?
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Old 02-15-2011, 02:06 PM   #27
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What about having a maching shop drill a hole in the housing? I have seen some 5 bolt internal wastegates like this one for cheap. All I need is an actuator.
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Old 08-03-2012, 07:32 PM   #28
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Update: 08/03/12

My turbo build has been at a halt for awhile due to some lack of funds and time. But lately I've been getting the ball rolling again and have changed the direction in engine management.

I have decided to use an electromotive tec 2 for engine management. I know they are old and outdated, but they are rather sturdy and and the ignition system is by far one of the best out there. I have had one in my fe3t mx6 since 05 and I am very familiar with the wintec and dos software. I will be making a copy of my brother's trigger wheel setup, so that wont be an issue.

I picked up this tec 2 in really good condition. It will take over all fuel and spark, but I will leave in the stock harness and ecu to take care of idle and a/c control.







Got my hands on these RC 550cc injectors that I sent out to get cleaned. I'll have more room for improvement than the 460s I had earlier.




I also planned on stiffening up the car a bit as well so this came in the mail today from 949racing:



Mazda competition motor mounts



ES differential bushings



Also beefing up the transmission with this slightly used fm 2 clutch:



It holds more than I plan to make, but I do like the extra head room. And for the price being less than a new fm1, why not.

This next bit is not turbo related, but quite an improvement than before. A 350mm ebay deep dish steering wheel.

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Last edited by rbluemx6; 08-03-2012 at 10:31 PM.
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Old 08-03-2012, 08:36 PM   #29
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coming together nicely
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Old 08-11-2012, 01:16 AM   #30
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I like a lot. Giving me ideas for what I want to do with my turbo build
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Old 08-23-2012, 11:12 PM   #31
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Some more progress this past weekend.

Tools to make this much easier.


You'll know how this goes, disconnect and hook it up.





Raise slowly


And its out!


Getting started on the rear end.




My new to me lsd.


I believe its a torsen II?


Open differential.


Disassembly. Its so much faster with pneumatic tools.


Engine and transmission separated.


Transmission after cleanup. You dont wanna see the before picture. It was so dirty.
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Stock clutch out.
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FM2 in. Clutch pedal feel is no big deal. Still softer than my 626 FE3 turbo clutch pedal...
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Motor mounts in.
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Motor back in.
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Replaced drive shaft with broken u joints.
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A friend gave me this 2.5 high flow cat. So I figure why not use it.
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She's Alive. One thing to note here, the cas sensor is stout. We hit the connector on the fire wall while getting the engine in. We heard a loud crack and thought the cas was done for. Turns out it still works fine! Phew, dodge a bullet there.
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Rick's going turbo! Build Thread...-imag0275.jpg  

Last edited by rbluemx6; 08-27-2012 at 02:26 PM.
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Old 08-27-2012, 02:23 PM   #32
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Finally took the car out for a test drive. Clutch grabs like an act hd with xtreme pressure plate but without the harshness. I really like the feel of it. Pedal effort is not as bad as everyone complains about(go to the gym) lol.

Overall the car is more solid and the highflow cat gives the engine a tid bit more grunt in the low and top end. Not anything dramatic, but still good and it sounds deeper with the stock exhaust. Cabin noise is about the same as before so no issues there.

Next on the list is to install this TEC unit and then turbo time.
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Old 12-26-2012, 01:10 AM   #33
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TEC II is installed along with RC 550cc and walbro 255 lph fuel pump. Engine purrs like a

For the moment I have the tec running the engine with two sensors, the mag sensor and map sensor only. I will add mat, clt, and tps later. I just needed to get this car running. Pics coming soon.

Now its time for some boost.
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Old 12-28-2012, 02:02 AM   #34
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All the goodies to be installed.


Hardest part of the TEC install. The trigger wheel and mag sensor mount. Electronic timing and mechanical timing are spot on.


TEC finally mounted and hooked up. Tuned for driving from scratch in 5 minutes. Another 5 minutes and its running better than stock.
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Rick's going turbo! Build Thread...-rbluemx6-12018-albums-project-na8c-193-picture-tec-ii-3004.jpg  
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Old 12-31-2012, 10:01 PM   #35
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MSD 8.5 wires are now installed. Engine bay is a tad more cleaner. Don't mind that hole in the elbow. Its already been replaced by one without a hole.







This NA8C is officially boost ready!
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Old 05-27-2013, 08:58 PM   #36
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Here is a quick update. Been turbo since late march. Ive been enjoying this car too much. I think its a good balance between suspension and power output. Boosting 12psi and seeing 11.5-7 afrs. Took me a few minutes to tune the boost cells, and a days worth of driving to tune out the rest. Now I just have to tidy up the engine bay and address some heat issues. On another note, I also picked up an 88 rx7 gxl in great condition and stock. So Im thinking of doing a 200hp 6port turbo setup on that as well.

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Old 01-20-2015, 07:40 PM   #37
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I've purchased a TEC-2 Miata and the builder of this car died so I have no one to go to for questions.

I'm the middle of a coolant reroute and I go to put connector in the sensor and they don't fit. Upon further investigation this appears to be a 1.6 sensor and I have no idea what this connector is from as it doesn't appear to be from a 1.6 or 1.8 harness. I don't recall if this connector was just jammed onto the sensor when I started this reroute, but that is my best guess. I don't know if the TEC-2 comes with its own or what?

According to the TEC-2 manual: "The coolant sensor is a GM part number 25036979 and can be obtained from Electromotive. It has a
3/8 NPT thread" Should I get one of these? I haven't confirmed if this thread will even fit what my BEGI coolant spacer is tapped for if I get one.

Any ideas or suggestions as to what you're doing for your CLT?

I can't PM you due to postcount < 15, but if you were nice enough to PM me contact info to discuss this would help tremendously.







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