If you use diesel fuel for start up, I do not think a "small" amount of glycerine would hurt, in warm weather. The diesel fuel would act as a solvent. But in cold weather I have doubts. If only fuel injectors were at stake, I would'nt worry. They are very easy to take apart and/or rebuild, and only about $40 or so each. But a fuel injection pump is a bigger ballgame. And bigger bucks. I rebuilt them in a clean room, with special tools. the parts kit was around $75 depnding on the pump. It is tedious work and labor is $65 to $90 an hour here. If parts are broken, more$. stephen
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