Speeduino is now on Github Sponsors (Rather than Patreon): https://github.com/sponsors/noisymime
For anything related to the 'official' Speeduino boards (Eg v0.3, v0.4 etc)
Remove one tooth. ie make it a missing tooth. that would make it a 24-1

originally a 24 tooth wheel - 1 missing.

ASSUMING it is at cam speed. And make sure your trigger is set at cam speed if you perform this modification

On my toyota V6 when I built it (3 years ago) i went through all this. Same tune as then. I run a 24 tooth dizzy, modified to be 2 x (12-1) ie 11 teeth, one missing, 11 teeth, one missing. But set at crank speed. you cannot run sequential at this setting. At the time it was the best I found.

Have fun
Well I replaced the Arduino board which seems to have solved my main issue. Can't get the engine fired up yet but check out the scope readings from last night! Looking good.

Blue = Ignition output
Green = Injector #6
Purple = Crank
Yellow = Cam
IMG_20220628_212343.jpg (3.12 MiB) Viewed 811 times

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