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Farmall cub won't start

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Jim

05-18-2002 10:54:23




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I've got a farmall cub that has the engine overhauled. I have installed new plugs, condenser, rotor, points, cap and wires. I used champion D15Y(these have been used in IHC tractors foreber).The cub has a mag which has been checked and throws a good blue spark. I have tried D21 plugs and ac C-88 and the cub won't start. The plugs will fire outside the engine if grounded, but won't fire when installed in the engine. This was checked using a timing light. Does anyone have any ideas? I'm pulling my hair out trying to figure this one out and am about out of hair.

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BILL

05-19-2002 10:00:58




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 Re: Farmall cub won't start in reply to Jim, 05-18-2002 10:54:23  
I HAD THE SAME PROBLEM COME TO FIND OUT IT WAS THE FIREING ORDER NOT RIGHT



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BILL

05-19-2002 10:00:31




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 Re: Farmall cub won't start in reply to Jim, 05-18-2002 10:54:23  
I HAD THE SAME PROBLEM COME TO FIND OUT IT WAS THE FIREING ORDER NOT RIGHT



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Redfan

05-19-2002 06:14:08




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 Re: Farmall cub won't start in reply to Jim, 05-18-2002 10:54:23  
Silly question probably, but are you getting fuel? All old Inters seem to start right up if you give them fuel and spark. Have you bombed it with a bit of fuel in the plug holes? Regards, Redfan.



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Redfan

05-19-2002 06:13:45




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 Re: Farmall cub won't start in reply to Jim, 05-18-2002 10:54:23  
Silly question probably, but are you getting fuel? All old Inters seem to start right up if you give them fuel and spark. Have you bombed it with a bit of fuel in the plug holes? Regards, Redfan.



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The Red

05-18-2002 11:40:27




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 Re: Farmall cub won't start in reply to Jim, 05-18-2002 10:54:23  
Are you sure the plugs are firing at the correct time?



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Jim

05-18-2002 14:32:30




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 Re: Re: Farmall cub won't start in reply to The Red, 05-18-2002 11:40:27  
Yes the mag will fire at TDC and the firing order is correct on the mag and on the engine



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Jim

05-20-2002 17:06:35




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 Re: Re: Re: Farmall cub won't start in reply to Jim, 05-18-2002 14:32:30  
I finally got the cub started. Like I said the plugs were not firing in the engine. I changed the plug gap to .010 and narrowed the point gap to .010 and it started. Evidently I had low voltage so much so that the spark could not jump the gap.



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