Thanks for the thoughts slowmover but I'm not sure you understood what I was referring to. I'm talking about injecting small amounts of propane in the intake while driving down the road. It is claimed that this improves combustion efficiency (of the diesel fuel), reduces emissions, and improves mpg by anywhere from 5 to 20%, depending on who you're talking to.
Several of my class A 40 and 45 footer customers swear by it, citing improvements of 8 to 15%, and say it improves power noticeably also.
My brother has a 2002 F-350 7.3 pick up that now has propane injection added. He says his mpg went up 15 to 20% depending, and the added go is very noticeable in his lighter vehicle.
So anyway, one more thing to add to the list. Yehaa.
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