RE: Black Oil coming out of exhaust qustion?
The Irvine is running rich that is why the exhaust is honey colored. Jet A is very pure kerosene with no water or other impurities and thus you can use it, your diesel will not know the difference. The odorless kerosene gives up a small amount of power do to the loss of a very light fraction of the kerosene that has been removed to reduce the odor. As for the truck fuel never use the stuff or #1 diesel which is thinner. So to recap. No # 2 or # 1 diesel as it is to heavy a distillate to burn properly in a small diesel engine, but you may use Jet A or kerosene. Enough said I think on fuel. In the USA there are three commercial sources of the stuff and for overseas people we furnish formulas to make your own. Now go out and fly diesel its fun and reliable.