I am not big fan of the open exposed connection of the spark plug wire to the spark plug. Never have been. Oh it works, and it's on many a tractor and lawnmower, but it's subject to contamination, resulting in leaking electrical power away from the combustion chamber. It's normally po-po'd as a trivial concern, but I'd like to relate a recent experience of mine on the subject.Now I've been chasing a running problem on my car for the longest time now. It has an intermittent stumble off idle, runs like heck when it rains, and hates snow. Powers been down for a while, and the gas mileage hasn't been what it was several hundred thousand miles ago either. I've gone round and round with this ignition. Darn thing passes all the tests and inspections. I even went so far as to go all the way back to oem spark plugs and a tune up kit from the dealer chasing this problem around. Did notice the other day that one of the spark plug boots had split. Well heck, I didn't like those boots much anyhow, they're too thin. So I replaced them with a set of big clonking boots I had laying around. Well, that fixed it. It's been a couple of weeks now, and we've had plenty of rain. No stumbles, no stalls, no hesitation. Power is way up, and so is the gas mileage. From a previous 33 mpg to 37-40 mpg now. From barely able to climb hills with the ac on to barking the tires shifting into second. All due to a set of lousy sparkplug boots. Now I know a lot of you guys think I'm all wacked out for not liking the way the ignition wires are run on the 9&2N's, or even the 8N's. But I just want you to think about it and consider the situation I just described. I certainly didn't expect the radical change that took place in my car. I certainly didn't think I'd found the problem. But when your tractor is running poorly, and you've done everything else you can think of to fix it, consider again that high tension circuit.
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