- Thu Apr 08, 2021 9:21 am
#49508
Quick question what board layout settings we should use with the board from raku?
sk8 wrote: ↑Mon Feb 08, 2021 5:59 pmSo whats the final pinout now that you made with 276 degree (IGN Ecu - coil - to zyl) and INJ outputs 1-to zyl 1-6 , out2 to 2-5 ,out3 to 3-4 ..? planing to run the same coil pack
Just tried it out, that did not work unfortunately. Engine would have a loud backfire every 5-10 seconds of cranking. Switched the wires around to
Speeduino -> Coil -> Engine
IGN1.1 -> 5/2 -> 3/4
IGN2.1 -> 3/6 -> 2/5
IGN3.1 -> 1/4 -> 1/6
This made the engine crank over but ran extremely rough. This seems like a dumb question, but does the trigger angle change with wasted spark? I ask because when I used a timing light initially on my engine with the cap/rotor my trigger angle was 50, but I see many other people with m20b25 engine have trigger angle of 84.
EDIT: The issue was my trigger angle. I set it to -84 and verified with the timing light, car cranked right up. I'm really confused why my trigger changed with wasted spark vs using stock cap/rotor. Car was running smooth at 50 degrees with the stock cap/rotor. I checked with the same timing light both times.
MatijaCHA wrote: ↑Fri Apr 23, 2021 7:32 pm i dicided to do a hardwere test and noticed IGN1 output LED blinks and coil sparksDid you read that Speeduino hardware test should not do with coils and injectors connected?
MatijaCHA wrote: ↑Fri Apr 23, 2021 7:32 pm How can i test if a Igniter is burned or the Mega sends no signal to itI´ve learned in 16 years that only way without oscilloscope and laboratory power unit, is to solder new ISL9V transistor.
MatijaCHA wrote: ↑Fri Apr 23, 2021 8:22 pm i will try tomorow i got some spare.. i have the same board on my m40 e30 running daily where i tested (hardwere test) many times in the car dident had any problems til now so thats why i did itIf you switch between 4 and 6 cyl Motronic 1.3 (anything,original, megasquirt,speeduino,haltech you name it) you should only have one ignition channel and distributor. They work fine. Even 4-cyl original Motronic 1.3 works in 6-cyl when you put chip from 6-cyl in that. I´ve tested that.
Vauhtivaunu wrote: ↑Fri Apr 23, 2021 9:03 pmAll fine engine works was my soldering ERORR i soldered the Igbt driver in wrong directioon car runs fine now with that bosch 3x2 coil ty for the respond
If you switch between 4 and 6 cyl Motronic 1.3 (anything,original, megasquirt,speeduino,haltech you name it) you should only have one ignition channel and distributor. They work fine. Even 4-cyl original Motronic 1.3 works in 6-cyl when you put chip from 6-cyl in that. I´ve tested that.
If you have 4-cyl wasted spark or COP and 6-cyl wasted spark there is lot of things that can go wrong. Post log and msq if you are unsure.
MatijaCHA wrote: ↑Tue Apr 20, 2021 2:50 pmWill depend on how you run your wires. This is how mine is ran.sk8 wrote: ↑Mon Feb 08, 2021 5:59 pmSo whats the final pinout now that you made with 276 degree (IGN Ecu - coil - to zyl) and INJ outputs 1-to zyl 1-6 , out2 to 2-5 ,out3 to 3-4 ..? planing to run the same coil pack
Just tried it out, that did not work unfortunately. Engine would have a loud backfire every 5-10 seconds of cranking. Switched the wires around to
Speeduino -> Coil -> Engine
IGN1.1 -> 5/2 -> 3/4
IGN2.1 -> 3/6 -> 2/5
IGN3.1 -> 1/4 -> 1/6
This made the engine crank over but ran extremely rough. This seems like a dumb question, but does the trigger angle change with wasted spark? I ask because when I used a timing light initially on my engine with the cap/rotor my trigger angle was 50, but I see many other people with m20b25 engine have trigger angle of 84.
EDIT: The issue was my trigger angle. I set it to -84 and verified with the timing light, car cranked right up. I'm really confused why my trigger changed with wasted spark vs using stock cap/rotor. Car was running smooth at 50 degrees with the stock cap/rotor. I checked with the same timing light both times.
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