Originally Posted by ferals5
Jet fuels have a much lower freeze temp than diesel fuels but they are similar so it can be run in diesel engines...the down side of jet A1 and kero is they have no lubricant value which would lead to premature injector/fuel pump wear/failure.
So I assume travelingaustralian means they are adding lube additives to the fuel.
Ferals hit the nail on the head. The filter that we use is placed before the fuel pumps and as the Jet A1 is sucked through the filter the fuel is then given lubricating properties. With out this lubrications injectors and high pressure common rail pumps would just wear out.