BB> I have been using full synethetic oil for over 30 years and have used
BB> the above proceedure with no adverse effects. I tested a couple
BB> engines using 30,000 mile changes with no problems. Aircraft jets and
BB> turboprops have been using synthetic oils since the late 1950's and
BB> never change the oil only the filter and keep it topped off.

RW>                R\%/itt


I know you ddi not post the above but I mised it the first tiem around
and MUST comment.
THAT is NO endorsement that can apply to Automobile Engine oil changes.
The operating conditions are Totally different.
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