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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 10-07-2015, 12:07 AM   #201
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Be very careful upgrading to MS3 1.4.0 pay close attention to the warnings in the zoftware.. They changed a bunch of stuff and suddenly things like my revlimiter and 100% tps flood clear mode settings got wiped.
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Old 10-07-2015, 02:01 PM   #202
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I have to get this figured out. I'm concerned about my brand new engine that now has like 1,000 oil starved revolutions on it.
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Old 10-07-2015, 04:52 PM   #203
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Quote:
Originally Posted by ryansmoneypit View Post
Wiring checks out. Ground is good, signal line is continuous as is the power. Neither ground out from either end. No crank signal.
Attachment 152031

In a desperate attempt I have changed a few setting from my last ms2 settings when it did run. Not sure if I need to be on wasted cop..I did not wire for sequential spark, but on ms2 the car ran on just wasted spark (not wasted cop) although I did have the ls coils . Not sure about the edge / going hi or low stuff either.
What crank wheel are you running? I can open your tune now, my Tunerstudio was out of date apparently causing me to not be able to open it.
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Old 10-07-2015, 05:13 PM   #204
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Fm 36-2 .
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Old 10-07-2015, 08:15 PM   #205
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Just updated to 4.1, now the three LEDs on the case are not lighting up. Im actually laughing now. it can only get better from here I think!

So I just tried creating a new project, just to see... I detects the controller, but will not open the tune. Just says "not connected" however, If I open with the old project, it does communicate. How or why is this?

Last edited by ryansmoneypit; 10-07-2015 at 08:32 PM.
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Old 10-07-2015, 08:18 PM   #206
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Quote:
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I have to get this figured out. I'm concerned about my brand new engine that now has like 1,000 oil starved revolutions on it.
Prime that pig!

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TwinTurbo.NET: Nissan 300ZX forum - Simple rig to prime your oil pump
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Old 10-07-2015, 08:22 PM   #207
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Fm 36-2 .
I would run the stock wheels and regular miata code that's known to work with it.
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Old 10-07-2015, 08:24 PM   #208
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Are you wired for sequential spark? If not you need wasted spark. Wasted COP is 4 coil drivers firing in wasted spark mode.
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Old 10-07-2015, 08:25 PM   #209
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Who built your MS3x?
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Old 10-07-2015, 08:35 PM   #210
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Have to check...I am second owner. It was built by brain I believe.
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Old 10-07-2015, 08:36 PM   #211
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[QUOTE=patsmx5;1273019]I would run the stock wheels and regular miata code that's known to work with it.[/QUOTE

I do not have. this all started with a 95 car.
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Old 10-07-2015, 08:37 PM   #212
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Ok. Well I still believe the crank sensor is your problem. Although the Wasted COP bit could cause problems too.

If it was run on a car with just a CAM sensor then maybe the crank sensor was never set up correctly
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Old 10-07-2015, 08:37 PM   #213
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Wait, is this an MS for a 95 car?
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Old 10-07-2015, 08:39 PM   #214
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[QUOTE=ryansmoneypit;1273042]
Quote:
Originally Posted by patsmx5 View Post
I would run the stock wheels and regular miata code that's known to work with it.[/QUOTE

I do not have. this all started with a 95 car.
My advice is buy the hardware that for sure, without a doubt, works. That's the 99+ 4 tooth OEM wheel, OEM crank sensor, miata ecu settings to decode them. That will work. If it don't, you can then narrow down the problem to a very short list of possibilities (sensor gap, wiring between ecu and sensor, bad sensor- that's about it)
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Old 10-07-2015, 08:41 PM   #215
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Don't do that yet. Waste of money. For now. The 36-2 wheel should work fine. If this was an ECU for a 95 then it won't be wired for a crank sensor.
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Old 10-07-2015, 08:47 PM   #216
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It is a brain unit. According to the vvt mega thread, All I had to do was the wiring changes explained, and that the ecu would handle the rest.
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Old 10-07-2015, 08:47 PM   #217
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Quote:
Originally Posted by aidandj View Post
Don't do that yet. Waste of money. For now. The 36-2 wheel should work fine. If this was an ECU for a 95 then it won't be wired for a crank sensor.
You say waste of money. I say will work, is cheap and OEM reliable, for sure works. If it don't , he can then narrow the problem down to one of about 3 possibilities. I've been given plenty of **** for doing things different for no reason. You don't need 34 teeth on your crank wheel, 4 will work just fine.
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Old 10-07-2015, 08:49 PM   #218
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Per vvt megathread ....

The OEM 1990-1997 CAS has 4 wires. One wire is +12v, one wire is a sensor ground, and there is a signal wire for the crank position and a signal wire for the cam position. You will need to cut the factory plug off and extend the +12v and ground wires to each of the NB sensors. The cam signal wire will get routed to the camshaft sensor on the top of the valve cover, and the crank signal wire will get routed to the crankshaft sensor located near the harmonic damper. This will bring the appropriate cam and crankshaft patterns along the OEM harness into the ECU, and all of the other changes necessary will happen in the firmware/software of your ECU.
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Old 10-07-2015, 08:53 PM   #219
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Also the lack of LED lights, makes me think that I now have other problems.

Oil prime through the turbo line worked great! gauge reads good. good things! great Idea!

Last edited by ryansmoneypit; 10-07-2015 at 09:09 PM.
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Old 10-07-2015, 09:01 PM   #220
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Pat read my post better. I said yet, for now, wait. There are other things to check first.

Ryan. If your ECU wasn't wired for the crank sensor internally it won't matter what you hook up on the outside.
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