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190 ignition
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Josh(NE) View Drop Down
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Joined: 12 Sep 2009
Location: Nebraska
Points: 514 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Josh(NE) Quote  Post ReplyReply Direct Link To This Post Topic: 190 ignition
    Posted: 06 Aug 2018 at 8:17pm
I got a petronix igniter put on my 190XT gas this spring and everything seemed to work well. New flamethrower coil, wires, and autolight 405 plugs. This summer in the hayfield it has developed an issue. It starts and runs great for the first 30 minutes, but then once everything is good and hot, it begins to slobber, and miss, and has little power. Local mechanic has suggested going to a cooler plug to prevent premature ignition? I pulled a couple plugs tonight and they all look like the pictured. Does going to a colder plug make sense to you all?
Allis Express
'65 190XT, 37 B, '72 170, '83 8030, and the IH 560 was a mistake
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DougS View Drop Down
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Joined: 03 Nov 2011
Location: Iowa
Points: 2490 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DougS Quote  Post ReplyReply Direct Link To This Post Posted: 06 Aug 2018 at 9:37pm
Is it using oil? The plug looks like it. Cooler plug might not cause pre-ingition, but I think you'll be getting oil fouling. How's the timing? Is the coil getting hot? Carefully touch it after 30 minutes and see. You are using suppressor wires, I hope.
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Josh(NE) View Drop Down
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Joined: 12 Sep 2009
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Points: 514 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Josh(NE) Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug 2018 at 8:15am
It does use oil. Timing is set, was set when the EI was installed.
Allis Express
'65 190XT, 37 B, '72 170, '83 8030, and the IH 560 was a mistake
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Josh(NE) View Drop Down
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Joined: 12 Sep 2009
Location: Nebraska
Points: 514 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Josh(NE) Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug 2018 at 8:15am
Yes, on suppressor wires.
Allis Express
'65 190XT, 37 B, '72 170, '83 8030, and the IH 560 was a mistake
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