You really need to have oil samples analyzed to determine what your change interval should be. It varies with driving style/location, among many other factors.
On 7/28/06, Peter Frederick <[EMAIL PROTECTED]> wrote:
Sulfur content has very little effect on soot accumulation or oil properties --it is mostly a problem with nitrogen oxides reduction systems. Peter
-- OK Don, KD5NRO Norman, OK "The Americans will always do the right thing... after they've exhausted all the alternatives." Sir Winston Churchill '90 300D, '87 300SDL, '81 240D, '78 450SLC, '97 Ply Grand Voyager
