I risk it because it cools so much better, but that's just me. I am not worried about an evaporator rupturing and blowing me out of the cab, as the chances of that are about the same as me winning the lottery. There has yet to be a single injury reported from the use of hydrocarbons as a refrigerant. The system has only a few ounces of propane in it, so if something did happen and it did ignite, there wouldn't be much to burn. I'm not going to say anyone should use it over r134a, I'm simply sharing my experiences. I also have all new seals and hoses in my A/C system, which makes a difference. If you have a leak, I wouldn't use anything until you get it fixed or at least pinpointed so you know it's not blowing into the cab, as r134a is supposedly carcinogenic according to some recent reports.
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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