If you are having find non detergent oil, check with either Red Line or
Amsoil. Both of those companies make excellent 100% synthetic oils.
Chances are, they have non-detergent and the synthetic would be the best oil
you could use.

Jeff


"VITO" wrote in message
om...
what variety of oil should i select for the pressure washer pump. I
haven't changed it yet this year. We have a Karcher 3500 hd. i'm sure
it's detergent free