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Still, jumpering the coil from the battery should eliminate this like it usually does, correct?


yes unless it's now slightly flooded and that is enough to push it over the (no start) edge as it sounds like one or more systems are borderline. I'd check/clean the plugs and since jumping fire directly from batt to coil positive makes it start I would clean every terminal connection starting from the batt positive post to/out the bulkhead & downstream to the coil positive primary. My racing partners' truck does the exact same thing & I'm gonna do the same (cleaning terminals/connections) to it when I get around to it. since it starts by jumpering that tells you the hard parts are OK & it's a wiring issue and another ign system ain't needed


live every 24 hour block of time like it's your last day on earth