In my opinion given without proof, I now think you can add 4 points to the octane posted on any pump and be close to the Research number recommended by IH. I was incorrect in the earlier thread because I was basing the R number of all grades of gas on 82 as an M number. Incorrect because as the R number goes up, the M number goes up too, by the same amount, I don't know.
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Today's Featured Article - Trailering Your Tractor - by Curtis Von Fange. One of the fun things of summer and fall are the parades and tractor shows that go on across America. Many owners of tractors travel long distances to attend these shows and they usually take their restored iron along with them. Safe trailering practices and inspections will ensure that the event is a fun one. A good habit to develop when using a trailer is to give that �quick look over� before taking it on a trip. Before hooking up to it check the tongue for proper operation. The latche
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