>From what I know there is not much difference in the synthetics. I have seen claims and counterclaims and
some pretty hot tempers. It is all opinion. That said, I would go with Mobil1/Delvac1 as they have been
making synthetic oil for about 50 years now and must have got it right by now.

L8R
 
 

On Wed, 09 Jun 1999 08:40:55 -0400, Carl Johnson wrote:

>Is it and option to use Synthetic oil in a Chev. Diesel eng.? and at the
>same time I want to ask the question about brand names of diesel oil (Shell
>rotola) or (Oilsum brand) does one over the other make a difference.
>Carl Johnson
>1972 Airstream 31' Excella 500
>With a Dent in Rear "did not do it"