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-   MEGAsquirt (https://www.miataturbo.net/megasquirt-18/)
-   -   My MSPNP 90-93 Thread (https://www.miataturbo.net/megasquirt-18/my-mspnp-90-93-thread-19839/)

01TurboMiata 04-20-2008 02:45 PM

Also checked to see if it may be a Cali car, It's not.

The_Pipefather 04-20-2008 03:03 PM

Your trigger angle seems to be at the base PNP settings.

Did you go through this procedure:

Go to the Spark Settings menu and set Fixed Angle to +10.
Adjust the Trigger Angle until you read 10 degrees with a timing light.
If the trigger angle needs to be less than 50 degrees to get your base timing right then set trigger angle to 55 and instead adjust the cam angle sensor to set your base timing, just like adjusting timing on a stock Miata.
Then set Fixed Angle back to -10 to enable spark advance.

Savington 04-20-2008 03:32 PM


Originally Posted by 01TurboMiata (Post 245047)
When trying to rev the car you can hear the pressure comming back through the turbo because it has no where to go, once again like the timing is incorrect.
The only way the car is driveable at all is if the timing is advanced 20-25 degree's, when it is advanced the car drives like a normal car other than a bucking or bogging issue between 3,000 and 4,000 RPM.

1. You can't "hear" backpressure

2. Are you even setting the baseline back to -10, from 10? If you leave it at 10 the car will run like shit.

Zip your entire MSQ and post it.

01TurboMiata 04-20-2008 03:35 PM

yes i followed the procedures, also used a timing light, and yes i put it back to -10

ill post it up.

01TurboMiata 04-20-2008 03:39 PM

1 Attachment(s)
Here it is,

01TurboMiata 04-20-2008 04:30 PM

umm i downloaded someone elses MSQ. to examine it and i saw they had the Trigger Angle Addition at 0, well mine is at +22.5....

Which one is correct ?

The_Pipefather 04-20-2008 04:37 PM

i think +22.5 is PNP specific, but when I set my trigger angle I used that setting. Go by what your timing light tells you when setting the trigger angle.

01TurboMiata 04-20-2008 05:00 PM

well the car is timed and when its timed it wont rev pass 1,500 RPM, when i changed it to 0 on the Trigger Angle Addition it ran like stock........ Hmmmm ?

what yall think ?

The_Pipefather 04-20-2008 05:03 PM

Then verify that its correct by changing the fixed angle to +10 and hooking up a timing light again.

01TurboMiata 04-20-2008 05:06 PM

well i gotta wait till dark to do so, my timing light isnt bright enough to do during the day nor in the shade.

but i timed the car last night the correct way and left it that way, but tonight i will do it againt to make sure, it could have changed when changing the setting's.......

anyone got any opinions on why it works when the Trigger Angle Addition is ajusted to 0 ?

The_Pipefather 04-20-2008 05:10 PM

Other thing I noticed in your msq is EGO Control is not setup right, you said you have a wideband. Have you changed the settings in configurator as well? Change authority to zero while tuning VE map, unless you're using MLV.

01TurboMiata 04-20-2008 05:15 PM

yeah i set it up in the configurator, and yes im using MLV, what do i need to do to the EGO control ?

01TurboMiata 04-20-2008 05:17 PM

ok i see what i didnt do.

The_Pipefather 04-20-2008 05:17 PM

Go to exhaust gas settings, Change to wideband and the switchpoint voltage to whatever your wideband puts out at stoich. which wideband is it?

01TurboMiata 04-20-2008 05:18 PM

Innovative LC-1

01TurboMiata 04-20-2008 06:52 PM

well i timed the car with the Trigger Angle Adjustment at 0, and it just does the same thing so i put it back to 22.5, hell it was worth a try so anyone else got any ideas ?

Savington 04-20-2008 07:07 PM


Originally Posted by 01TurboMiata (Post 245131)
Innovative LC-1

Switching point is 2.352v so long as it's set up correctly (0-5v is 10-20:1 AFR).

What map are you trying to use? Is it just Jerry's basemap?

01TurboMiata 04-20-2008 07:10 PM

the MSPNP base MAP, but i still havent figured out my problem =[

Savington 04-20-2008 07:37 PM

Check your timing again. If you are running Jerry's basemap and the car will not rev, but it revs if you advance everything 10 degrees, something's wrong with the timing on the car itself. Check the orientation of the timing belt, ensure that your TDC marks are *actually* TDC marks (pull the plugs, spin the motor to TDC, compare marks), and ensure the timing belt is set correctly.

01TurboMiata 04-20-2008 07:47 PM


Originally Posted by Savington (Post 245194)
Check your timing again. If you are running Jerry's basemap and the car will not rev, but it revs if you advance everything 10 degrees, something's wrong with the timing on the car itself.


ok, ill check the belt but i dont think it skipped a tooth because the car ran fine on the stock ecu and Emanage Ultimate.
And i timed it before the MSPNP and it was fine.


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