Fuel quality is of extreme importance in operating a farm tractor. I believe the sincerity of the The Tractor Vet in his insistance on 93 octane fuel. I respect his opinion. I believe the fuel delivered by the bulk distributors in his location was of poor quality control (especially from one source, maybe a particular brand or farm supplier, that had a desirable price. (I suspect it would not have gotten to 85 R+M/2) I have been around farmers with 6cyl gassers that have used "regular" gasoline in them from new without any detonation issues, and expected engine life. When the lead free fuels were introduced no changes were made. When alcohol was added, no changes. IH Oil with Low ash was used (or premium brand name diesel oil that had limited ash in its formula). A coked up engine with radical deposits in the chamber will be far more successful staying alive on 93, than 87 R+M/2 fuel. I found this in tractor Data .com if it is relevant. Jim Interntional Harvester C291
Fuel: gasoline
Cylinders: 6
Valves: -unknown- Bore/Stroke: 3.75x4.39 inches [95 x 112 mm]
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Today's Featured Article - Bad Vibes - by Curtis Von Fange. One of the strangest ways to communicate with our tractor is to ask it how it feels. "Ask it how it feels," you say? Yup, ask it how it feels. Now, as with the other articles in this series one has to be able to hear what 'ole blue' is trying to say in response. The nice thing about our old iron friends is that they are usually quite consistent in their response, rather unlike some people I know who might change what they say due to the weather or other mitigating circumstances. But since t
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