Reverant MS3 basic - winter upgrades now won't start
8 Attachment(s)
Hey guys just looking for a little help here. 99 miata on MS3 basic built by rev. have COPS and basic small upgrades started and ran fine all last year.
Did two upgrades this winter. - FM 32-2 trigger wheel - changed to a Honda intake manifold - I did recal TPS already. I believe the problem is in the 32-2 trigger wheel upgrade. I'm getting error messages and not sure which settings I should be on. Which cam input?, fully sequential or semi sequential? Number of coils? I've attached some screen shots. |
Mine's a 36-1
A couple things I have different. Under Sequential I have> Sequential/Semi-sequential Timing Trigger> End of Pulse Fixed timing or table> Fixed Timing Fixed Injection timing> -350.0 Cranking Injection timing> 360.0 Trigger wheel arrangement is> Dual wheel missing tooth (try this first) Cranking advance is> 16.5 Every thing else looks the same. Try one change at a time. Distance from sensor to wheel is really tight @ .60. |
You need to update the ECU to the latest 1.3.0 firmware.
Then simply select ignition mode "36-2" from the bottom of the list, instead of toothed wheel. |
thanks guys! got it started tonight.
Is there any gauge on megasquirt that could easily tell me if i have a vacuum leak? I just want to make sure my hondata manifold gasket/ custom intake manifold isn't leaking at the head. MAP was pretty steady around 39-40kpa, not sure if that tells me much. My idle quality was pretty shitty when cold or a load (headlights) (was at 14.7afr & 16 degrees timing) Not sure if that's something I need to setup with the Honda IAC (2 wire). Any insight or help would be greatly appreciated. |
Reduce your timing to 10* and report back your kPa when warmed up.
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2 Attachment(s)
Posted attachment. For KPA.
I noticed the default setting on the trigger angle for the 36-2 setting was 7 degrees. Changed that 0.5 and it started to run a lot better. It said in the notes that it should be 0 on a toothed wheel. not sure why MS set it to 7 degrees. |
Originally Posted by natedawg
(Post 1112788)
Posted attachment. For KPA.
I noticed the default setting on the trigger angle for the 36-2 setting was 7 degrees. Changed that 0.5 and it started to run a lot better. It said in the notes that it should be 0 on a toothed wheel. not sure why MS set it to 7 degrees. |
Pressurize the air path to look for vacuum and boost leaks.
|
Installed 3.3.3 firmware and the Miata 36-2 ignition option mode failed to populate the needed data to use a FM 36-2 toothed wheel. But lucky me a week later fireware 3.4.0 was released and this worked.
The Spark A Output changed to IGN1 and think this is causing my stock oem tach to not display the correct RPMs. There is a Tacho. Output menu and this is selected OFF. Wonder if this has anything to do with the tach issue? |
Originally Posted by NwaR
(Post 1248662)
Installed 3.3.3 firmware and the Miata 36-2 ignition option mode failed to populate the needed data to use a FM 36-2 toothed wheel. But lucky me a week later fireware 3.4.0 was released and this worked.
The Spark A Output changed to IGN1 and think this is causing my stock oem tach to not display the correct RPMs. There is a Tacho Output menu and this is selected OFF. Wonder if this has anything to do with the tach issue? |
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