I generally make a "slurry" 3L of canola oil mixed with 2L of your choice of aditive shaken well, then divied into smaller car-portable containers. It's been keeping my 12mm pump ticking nicely (it regularily sees beyond 4000rpm

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Sounds like that would work well.
I generally make a "slurry" 3L of canola oil mixed with 2L of your choice of aditive shaken well, then divied into smaller car-portable containers. It's been keeping my 12mm pump ticking nicely (it regularily sees beyond 4000rpm
)
can that be used with a car still running diesel?
Seems to be fine in my car, even in the winter, I run straight pump diesl, noconversion stuff for "vegetable oil". It is such a low percentage that you put in it is really only a lubricity additive. I'm not putting in more than 250ml/tank as an additive. (on occassion I do put a whole 3L jusg in on a whim when it goes on sale for less than the price of diesel here, but generally no more, and only that amount in the summer). I have had no coking isues etc, you just can't go overboared and decide to throw in 25L and see what happens on cold starts
the new diesel is supposedly getting lubricity and other additives, as i've read in diesel power magazine, but we can only hope....
I've been using AMSOIL's diesel modifier since I had Giles redo my pump. AMSOIL just overhauled their product and updated it's formula to work with Bio-diesel as well. Works great and isn't that expensive. Retails for $6.65 US.
http://www.amsoil.com/StoreFront/adf.aspx