Lucas. It makes my pump quieter, especially when using ULSD. I use a
gallon every five or six weeks (depending on mileage).
Diesel-Kleen didn't seem to do anything for my 84 300D. Haven't tried
RedLine.
Biodiesel has the same effect. If you can find it locally, put in a
gallon (or more) per tank. Great results!
I love the way my 300D runs on bio but here in the
Seattle area they rape the urban greenies to the
tune on $3.25/gal+ when dino is running $2.75
I pay about $3/gal here in the SF Bay area but I have it delivered to
my house (they just fill up my 55 gal. tanks as needed like a propane
service). So it's a pretty good deal. I'm willing to pay a bit more
for it being made from waste fryer oil and burning cleaner. But, as
you say, rape is rape! I have a 240D and a 300TDT and both have run
perfectly on it for years.