Interesting post because I was in the middle of the big switchover in the early 70s from leaded to unleaded and my last year in the service I bought a new 1970 Nova with the 307 engine and always used AMACO unleaded gas because it always burned clean at the exhaust then I traded it a couple years later for a 72 Sebring Satellite. Got a call one night from someone who bought my Nova and said it was having problems and took it to the dealer and said it needed a valve job because they said the previous owner used unleaded gas. I felt bad about it but the deal was already consumated I"ve always been gun shy about the issue until I found out the 307 was an Olds engine and had a multitude of problems. Back to the thread I have a 1970 MTD rototiller with a Briggs engine so I assumed I needed a lead additive so I was adding it and causing the EX valve to stick and old small engine friend of mine said loose the lead additive and you"ll be fine. You know what I did and it works fine. What I"m not smart enough to figure out is why it used and had oil smoke coming out the muffler when using the additive now without it the oil consumption has been drastically reduced. My two cents. CT
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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