FP - Many tractors and industrial engines were designed to run on either petrol (gasoline) or kerosene in the 1920's to 1950's.
However, the industrial-use kerosene available back then was known as "Power Kerosene", which consisted of a different formula to "Lighting Kerosene", due to a different refining technique.
"Lighting Kerosene" contains a much lower level of highly volatile ingredients, to reduce the risk of explosions when used for cooking or lighting (as in "Hurricane" lanterns).
Power Kerosene is no longer produced, because there is no longer any demand for it. The closest product to Power Kerosene today, is "bitumen cutter" (asphalt thinner), which produces "cutback bitumen" (which is thinned asphalt, for spraying purposes).
A special manifold with substantial preheating design inbuilt, is required to run on kerosene, as kerosene will not light off when cold.
Usually tractors and engines were started on petrol then turned over to kerosene once the engine reached operating temperature.
There are substantial amounts of unburned fuel going past the pistons and rings in any spark ignition engine running on kerosene-type fuels - leading to substantially increased crankcase oil dilution - not to mention increased ring-gumming potential, caused by high levels of carbon and other hydrocarbons in kerosene-type fuels.
Gummed rings fouled by carbon buildup will naturally lower compression - and also increase the amount of piston ring blow-by of unburnt fuel and hydrocarbon contaminants.
As I previously stated, diesel oils are extremely high detergency, to handle the increased oil contaminant load. Running a petrol/kero engine on kerosene requires reduced oil change times.
The savage attack on the OP as to his unfitness to hold a pilots licence is probably a little over-the-top - but the above incorrect refuelling exercises do hammer home a particularly crucial point - that you must be
exceptionally diligent about the
quality, cleanliness, and grade of fuel you put in any aircraft fuel tank - because, basically, your life (and any pax lives) largely depends on your diligence, if you wish to take to the skies.
