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Discussion Forum

Re: WD-45 Ignition Question

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04-03-2003 09:05:13

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That's the correct firing order for most 4 cylinder engines and if that's on both the head and cap, I'd say you have it. Check your ignition timing and if that doesn't stop the backfire, check compression on all cylinders. You may have a burnt or sticking intake valve which would cause a backfire.

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Dave in KY

04-03-2003 16:10:28

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 Re: Re: WD-45 Ignition Question in reply to Tyler(WA), 04-03-2003 09:05:13  
The reason for locating the plug wires in the distributer cap differently than on the actual plugs is because the rotor turns continuously 1..2..3..4..1..2..3..4 and etc. By changing plug wires in the cap to match the firing order, it will actually be firing 1..2..4..3 or however you install the wires. Simple, but necessary! Enjoy your tractor...it's SPRING!!

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04-03-2003 14:08:23

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 Re: Re: WD-45 Ignition Question in reply to Tyler(WA), 04-03-2003 09:05:13  
On rotor and cap does it follow same order. i.e. 1,2,4,and then 3. Probably seems like a stupid question (both in theory and practice)

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Duey (IA)

04-03-2003 16:47:10

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 Re: Re: Re: WD-45 Ignition Question in reply to Keith, 04-03-2003 14:08:23  
The engine cylinders are numbered from front to rear 1 2 3 4. At any one time each piston is in a different position or stroke. When they fire the order is 1 2 4 3 so on the cap---from #1 follow a clockwise rotation and install the wires from each cylinder into the cap 1 2 4 3. (the cylinders are numbered but not the towers of the cap) Duey

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