Posted by Jimps on January 24, 2010 at 11:29:27 from (216.166.220.98):
I have a 1949 Super A with a thermosyphon system. I replaced the water temperature sensor on it last summer, and recently had the radiator serviced (neck was leaking). I noticed last summer and even recently that my new temperature gauge does not move. Stays below cool, even when plowing a small 1/2 acre field. I pulled the cap and ran it at half throttle for 30 minutes after I refilled the radiator. The coolant level would rise up to the overflow and dropped probably 2 or 3 cups of fluid. The fluid level seemed to level out somewhat since it stopped overflowing and would just rise up to the edge of the overflow and then "burp" bubbles and drop back down.
I think I may have a blockage somewhere in the block. Otherwise the coolant should circulate so the hot fluid would hit the sensor. Also, after running for 30 minutes, I put my finger on the lower inlet cast iron and it was cool. How can I test the thermosyphon system and what's the best way to flush it out?
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Today's Featured Article - The 8N and the Fox - by Zane Sherman. Dec. 13 1998, Renfroe, Alabama. Last niht I dreamed about the day that I plowed the field of about 10 acres over on what Jimmy and Dandy called the Ledbetter field. I was driving the 1948 8N Ford tractor that Jimmy bought in 48 new This was prebably in about 1951 and maybe even befor the house was built. This would have made me to be about16 years old and I drove the tractor for nothing and would have paid to drive it if I had had any money which I didn't, but neit
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