I'll try to reply to all 4(!) suggestions above...
1) I realize cylinder #2 may not have perfect compression as it's the one that chewed up the exhaust valve (and now has the custom threaded insert) but cylinders 1 & 3 should still be good so wouldn't it at least fire on them?
2) I think the spark is adequate - if I advance or retard the timing I occasionally get backfires thru the exhaust or carb but it never fires when it should - at TDC or just before TDC - and acts like it wants to start.
3) The plugs were new a couple of years ago and all 3 show a spark when removed and grounded. The firing order matches the valve action and yes, with 24V to the starter it cranks rather fast.
4) Yes, the firing order is 1,3,2 - verified by the manual and watching the valves open and close.
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Today's Featured Article - Good As New - by Bill Goodwin. In the summer of 1995, my father, Russ Goodwin, and I acquired the 1945 Farmall B that my grandfather used as an overseer on a farm in Waynesboro, Georgia. After my grandfather’s death in 1955, J.P. Rollins, son of the landowner, used the tractor. In the winter 1985, while in his possession the engine block cracked and was unrepairable. He had told my father
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