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Farmall & IHC Tractors Discussion Forum
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Firing order

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Double C

09-17-2005 15:33:11




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My husband ask me to do this because I"m pretty clueless but here goes. My husband pick up a 51 or 52 A Farmall tractor and he is looking for the cylinder order and the firing order? Any help would be great because he"s pulling his buddy around on this tractor trying different orders.




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El Toro

09-18-2005 08:34:53




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 Re: Firing order in reply to Double C, 09-17-2005 15:33:11  
You can bump the starter and see which way the rotor turns, then use the firing order below depending on your rotor rotation. Hal


CW
2-1
4-3

CCW
1-2
3-4



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Paul in Mich

09-18-2005 06:55:05




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 Re: Firing order in reply to Double C, 09-17-2005 15:33:11  
Double C, Once you mentally establish the firing order, it is important to establish where #1 is on the distributor. Originally #1 location comming out of the distributor was at between 1 and 2 O"clock. Through the years, however, many a backyard mechanic has compromised that position by removing the distributor. You can verify this by removing the #1 spark plug (closest to the radiator) and turning the engine over until the #1 piston reaches the top in the compression stroke. A finger over the spark plug hole will establlish that. Once that is verified, remove the distributor cap and see where the rotor contact is pointing. If it is at that 1:00 position, then 1342 is correct and wires ran from that point. If, however the rotor is at either 90 or 180 degreed either way from that point, then you can make that location #1 and proceed accordingly. I hope I didn"t make things more complicated than necessary, but I have seen this situation happen many times, and I suppose it is to be expected after 50+ years.

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P Backus

09-17-2005 18:32:38




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 Re: Firing order in reply to Double C, 09-17-2005 15:33:11  
Make sure you get the rotation of the distributor figured out too.
Paul



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KRUSS

09-17-2005 15:47:37




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 Re: Firing order in reply to Double C, 09-17-2005 15:33:11  
1342 with 1 being at the radiator.



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