farmall c timing

trencherman · Nov 23, 2017

I have a 1950 farmall c and it is very slow to turn over. I have had the starter, battery and cables etc. checked are all are OK. I know that timing of the engine can have an effect on how the starter turns over the engine. My problem is that my owners manual shows how to time an engine that has a magneto but mine has a distributor. I static timed it and it runs good but I would like to get it right so I can eliminate that problem. Any ideas on how to time this tractor. thanks

David G · Nov 23, 2017

Pull out the coil wire, if it cranks over faster then timing is an issue, if the same then timing has no influence.

Bob · Nov 23, 2017

Distributor is static timed to TDC, just like the mag, and timing remains at TDC 'til advance starts to come in after 400 RPM's.

<img src = "http://farmallcub.com/rudi_cub/www.cleancomputes.com/Cub/Blue%20Ribbon%20Service%20Manuals/GSS-1356%20Engine%20Tune-up%20Specifications/Page%2014.jpg">

K-Mo · Nov 24, 2017

Make sure you have a good ground connection. Ground the battery directly to the starter mount bolt and see it that makes a difference.
Also, suspect the starter switch. Check to see if the switch heats up if it does, the switch is week. Same goes for battery cables and connections. If there is a hot spot, that's where the problem is. Heat is energy. Anyplace energy produces heat, is energy not getting to the starter.
Use heavy gauge battery cables. Common 12 volt automotive cables are not heavy enough to carry the current needed in a 6 volt system. The starter cables in a 6 Volt system carrys twice the current than 12 volt systems to get the same amount of power to the starter.

gene bender · Nov 24, 2017

timing is not your problem cables and connections is the culprit even the starter its self and battery. If the timing was too far advanced it would kick back'

trencherman · Nov 24, 2017

(quoted from post at 13:45:38 11/24/17) timing is not your problem cables and connections is the culprit even the starter its self and battery. If the timing was too far advanced it would kick back'

thanks for everyones help. I will give these options a try.

DeltaRed · Nov 24, 2017

a lot of guys think a 6v tractor should spin as fast as a 12 volt. They don't.They all turn slow,half speed or less than 12v.But they start anyway. Not to worry. As was said,check the connections.Make sore they are clean/shiny.check out the starter,make sure it is not dragging,or needing serviced.

DaveBN · Nov 24, 2017

Yes, run an extra ground from the battery or frame to the starter. The ground relies on the frame connections from the electric panel to the
torque tube and after 60+ years rust and dirt can cause continuity to lessen. And yes, they do tend to turn over slow.

Dave

Russ from MN · Nov 24, 2017

That was my first thought too, if timing is the problem it would kick back!

farmall c timing

trencherman

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David G

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Bob

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K-Mo

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gene bender

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trencherman

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DeltaRed

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DaveBN

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Russ from MN

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