Super M -eastern Iowa Tractorcade

Farmall M, Super M, 400, 450 & 560 Tractors, 1939-1963

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mikes5785
Cub Star
Cub Star
Posts: 63
Joined: Mon Jul 11, 2016 11:13 pm
Zip Code: 52625
Tractors Owned: 1949 C, 1953 Super M, 1955 LoBoy, 1967 Loboy,

Super M -eastern Iowa Tractorcade

Postby mikes5785 » Wed Jun 13, 2018 2:02 pm

Just finished the eastern Iowa Tractorcade, and my Super M developed a miss today. Running in high gear part throttle climbing a grade. Cranking up on the throttle cleared it up for a while.

I’m not sure if the engine is getting warm enough to be considered normal operating temperature. The temperature gauge is nonfunctional as it never moves, however I can hold my hand on the radiator cap fairly comfortably after a 45 mile ride.

Is there a thermostat in the engine (What temperature should it be?) and is the radiator cap a pressure cap? If so what should the pressure rating be? I want to check these before I start with changing plugs or looking into the carburetor mixture

Thanks

Mike

cubbrian
10+ Years
10+ Years
Posts: 840
Joined: Sun Apr 08, 2007 7:47 pm
Zip Code: 47631
Tractors Owned: 1955 Cub w/9 different 1 point implements
1948 Cub
1948 McCormick W-6
1949 H
1949 M
1961 560 w/ 412 fast hitch plow
1966 140
1973 666
Allis Chalmers C w/sickle mower
Case 400
Economy 14 hp tractor
Location: IN, New Harmony

Re: Super M -eastern Iowa Tractorcade

Postby cubbrian » Tue Sep 18, 2018 3:31 pm

There is supposed to be a thermostat in the housing above the water pump but it could have been removed. I think there is only one temperature range thermostat available any more. They are about $35 and available at a CaseIH dealership or just about any online tractor parts dealer. The caps are pressurized and I'm not sure what they open at, but probably around 7-10 psi.


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