Quote:
Originally Posted by jbach36
I tried Diesel Kleen for a few tanks, and I'm sure it's the reason my car is purring like a kitten; seems to make it a lot quieter.
I called the company yesterday, they said it actually pays for itself, increases your mpg by 5%.
Anyone else try this stuff? Just want to see what results the rest of you've had.
Jeff 1991 300d, 111k
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But does it really do anything besides changing combustion sound?
Did they say "by 5%" or "up to 5%". If they can increase my mpg by 5%, I'll buy it. If it is "up to 5%" no thanx. There is a huge difference between the two. We have electric superchargers that increase power "by up up to 10%". IOW 0-10% means if you get nothing they are still legally correct.
Yes. No increase in mpg. Biodiesel gets the engine quieter but no mpg. Drop after B40.