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dan · 03-03-2009, 01:21 PM

I'm not positive but I don't think the octane rating of the fuel has anything to do with it. (Octane rating does not relate to the energy content of the fuel (see heating value). It is only a measure of the fuel's tendency to burn rather than explode.) This is the definition of octane that I have seen many times. When buying gas we used to say, "if it don't knock burn it." I had a friend who was an aircraft mechanic during WWll who told me they used to water inject the radial engines when they were in a dog fight. Claimed it gave them more power but raised hell with the pistons. If this is true maybe moisture in the tank is causing it to run hotter.

03-03-2009, 01:21 PM	#18
dan Member Join Date: Jan 2005 Location: moultonborough/billerica Posts: 42 Thanks: 21 Thanked 7 Times in 4 Posts	I'm not positive but I don't think the octane rating of the fuel has anything to do with it. (Octane rating does not relate to the energy content of the fuel (see heating value). It is only a measure of the fuel's tendency to burn rather than explode.) This is the definition of octane that I have seen many times. When buying gas we used to say, "if it don't knock burn it." I had a friend who was an aircraft mechanic during WWll who told me they used to water inject the radial engines when they were in a dog fight. Claimed it gave them more power but raised hell with the pistons. If this is true maybe moisture in the tank is causing it to run hotter.