Had a Marvel that sat untouched outside for 35+ documented years.
For all intentional purposes it should have gone on the scrap pile. (actually it was on a scrap pile when I got it)
Could not even get 1 screw to turn, broke 2 trying.
Put it in a big pot outside on a hotplate and cooked at a slow boil for an hour in a water and rad cleaning solution (oxalic acid)
Pulled it out and rinsed it in a baking soda and water bath to neutralize the acid then rinsed in clean water.
It cleaned up great, all the screws came out like they were put in yesterday.
The two I broke the heads off of unscrewed with a pair of pliers and no effort.
I was dealing with brass, steel and aluminum and contrary to what others say there was no problem with the solution eating anything away, granted this carb was built well to begin with.
Proceed at your own risk, just sharing what worked for me.
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Today's Featured Article - Maintaining Rubber Tires - by Staff. The broad use of rubber tires on farm tractors and machinery has resulted in a great saving in both time and operating costs since the time of steel wheels. There are, however, certain basic fundamentals in the care of tires that should be followed carefully if the owner is to derive maximum benefit from his or her investment. First and most important is to maintain proper pressure for the work at hand. Your best guide to proper inflation is the operator's manual or instruction book tha
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