coil

I think the coil on the left side as you sit in the tractor went bad. I'm trying to figure out the correct part number to replace it. On the deere parts diagram, there are 2 numbers AUC19059 and AUC19060. I ordered a replacement from Amazon (AUC19059) which didn't work. I figured they were...

Would a 1951 Ford 8n and a 1956 Farmall Cub both use the same part number NAPA coil ?

I have a Subaru 2 cylinder EH720 engine. I'm putting 2 new ignition coils on it. I noticed the Stop Diode was not connected to the coils. Each coil has one spade terminal. THe stop diode has a single wire unused with a spade connector which looks like it reaches the nearest coil. My questions...

Any tips on setting a new coil in the 22hp Robin? If I recall from the manual the clearance is roughly .012 - .020. Is it as simple as setting a feeler gauge down on the flywheel and setting the coil on that and tightening down? Also, any tips on reinstalling the motor? What's the easiest...