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 - Talk of the Town: The Saga of Grandpa's Tractor - by The following saga is from the Tractor Talk Discussion Forum. Someone. The saga starts with the following message: Hey guys I have a decision to make. I know what you all will probably suggest and it will probably agree with me way down inside, but here it is. I have a picture blown up and framed in my "tractor room" of a Farmall M. It was my Grandpa's tractor, of which whom I never got to meet. He froze to death getting this tractor out of the barn to pull a truck out of the ditch before I was born. Anyway my dad and aunt had to sell it at the auction,
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