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Restoration & Repair Tips Board

Farmall M Popping

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DAH

10-31-2005 15:57:26




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Hello,

have a late 40s M and have replaced points, plugs, rebuilt carb, checked compression and still get popping and no power. Can anyone please help provide some suggestions as to what is wrong?




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RustyFarmall

11-01-2005 07:44:17




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 Re: Farmall M Popping in reply to DAH, 10-31-2005 15:57:26  
How well did you clean the carb?



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russ1

11-01-2005 05:02:16




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 Re: Farmall M Popping in reply to DAH, 10-31-2005 15:57:26  
Is your intake manifold tight?

Russ



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old

10-31-2005 16:20:50




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 Re: Farmall M Popping in reply to DAH, 10-31-2005 15:57:26  
Have you checked the timing??



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bsdunek

11-03-2005 11:02:09




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 Re: Farmall M Popping in reply to old, 10-31-2005 16:20:50  
All the above is good. I might add, have you checked the valves? Could be due to a sticking valve. Pull the rocker cover and take a look, and while you in there, set the gap to 0.017(I think) hot.



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do

12-18-2005 13:00:31




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 Re: Farmall M Popping in reply to bsdunek, 11-03-2005 11:02:09  
Has it been changed to a 12 volt system, if so is there a resister going to coil or magneto



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