11-07-2009, 03:15 AM
Just my two cents worth. The dieseling problem could possibly be due to the octane of the gas you were using. If you had much gas that you bought here in your tank, it was probably one or two octane numbers lower than what you would get at the lower altitudes. Couple that with the possibility your spark timing is advanced some to compensate for the higher altitude and it can get kinda iffy. Whenever I take my old boat to a much lower (1,000 ft.) altitude than our area, I always leave some room for at least a 1/4 tank of premium to compensate at the start and then I always run mid grade while I'm there. So far so good doing that.
Sorry you had the trouble. If I had to rebuild the engine in my old boat, I'd have twice as much in the engine as the whole boat is worth.
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Sorry you had the trouble. If I had to rebuild the engine in my old boat, I'd have twice as much in the engine as the whole boat is worth.
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