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That’s the exact problem I’m trying to solve. I theorize there’s not enough resolution with zeel/etc to be accurate on these stroker motors with fast crank speed fluctuations.

Not enough resolution for accuracy between pickup points.

Spacing was too tight for a hall sensor.

Exactly.

This is an earlier version but u get the idea. The pin goes right behind the bolt where I circled in red. It’s not even really necessary. If you are ok using a timing light, yes the cover never needs to come on and off. Just need to mark TDC somewhere so you can verify timing and adjust with...

Yes, agreed. I just need a simple way for people to get the wheel in pretty close ballpark during initial setup.

You won’t. Put the cover on just with a bolt or two, slide alignment pin in, take cover off Just thought of this…. Maybe I’ll make a little tool that goes in the key of the flywheel and bends around with a little drill hole to drill the snout hole in a repeatable place based on the only...

Idk if I said this before but I’m not really trying to compete with zeel. It’s a great plug and play setup. This is more advanced and targeted for people who want more control and more precision.

I’m going to include a pin that you put in the sensor hole and seats into the missing tooth. Set motor at TDC, put pin in place. Mark and drill a small hole in snout of crank and tap in a roll pin. I’d call that optional but keeps you from having to reset every time u remove flywheel. This will...

For the record, I need to redo the cutouts in the flywheel so it clears the rivets on a 62t style flywheel

I added circuits for 2 general purpose analog 0-5v inputs. Tested it with a generic pressure sensor. Works great and has diode protection for incorrect hookup. Attached pics of the trigger setup. It bolts on in front of the flywheel so u can use basically any flywheel and it’s easily serviceable

Thanks Sean! That’s exactly the plan. Working on an external CDI driver but I think the smart coils will work well for almost all applications. I just potted the first prototype the other night. The second revision has the latching relay and 23 pin plug built in. I know most people voted against...

Got samples haha I remember the thread. I’ll see if I can dig it up

Kinda a rats nest lol

Great feedback thank you! I actually forgot about the map switch input on zeel. That might be tricky but I think wireless tuning with a phone kinda sorta negates the need. Either way good food for thought

Ya, tunerstudio isn't the most user friendly, but the options on android devices are really easy and reliable. There may be tunerstudio alternatives for a PC/Mac but i haven't researched yet. For the record, I didn't really make this for the average joe in a shed - that said, I think the...

Oh and tunerstudio on a computer. There are a couple options on android.

Thanks! Ya I have no interest in a drop in replacement for the antiquated MSD system. Sure, it’s easy for people currently running MSD but it’s short sighted. I’d rather have a proper complete system that doesn’t use bits and pieces of a crappy ignition from the 70s

Surprised people don’t won’t the automotive multi pin connector like an ecu. Seems so clean to me. I ordered some samples either way just to check out

cool cool. Ya the coils are the question mark but there’s plenty of dwell time for even the slowest IGN1As and the original were actually designed for mercury twocstrole engines. Pretty high rpm ones in fact. Even the OEM coils are capable of over 100mj IIRC. I’m hoping to test ride this in the...