fuel cost savings, yes. longetivity and maintenance, no. (and factor in thecost of the pain in the butt you have to deal with in starting, running, maintaining temps etc) kerosene and distillate leave a lot of things behind in an engine when they are burned. most tractor fuel engines had reduced oil change intervals, and usually a partial drain petcock so you could add in a fresh quart or 2 in between those changes. my dad said his dad, who was born around 1900, tried his f12s on tractor fuel and felt the savings vs the loss of power and added maintenance was not woth the savings in fuel costs. there is a quote on a local radio commercial "a dime saved now will still cost a dollar later" or something like that. it's a good thought. of course in farming , and especially farming during these machines' prime, living today to see tomorrow was all anyone was askin for. how can you think long term when you live in that culture and paradigm? on one hand all fuel engines might have been ahead of their time in concept. with what may be happening in the nearer than we want future, all fuel engines may see a resurgence. that's another topic, and another forum/www site though. although i can see a post coming here about "can my all fuel f12, H, moline u, JD D, etc. burn e85/homebrew/captain morgan/???" karl f
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