The specs for the Rotella synthetic are nowhere as good as the Delvac 1.

Here is the site for Delvac 1:

http://www.mobil.com/mobil_lubes/onhighway/products_services/delvac1/specs_content.html


Here is info for Rotella:
https://thegenesisnetwork.equilon.com/genesis/prodinfopdf/out/ROTELLA%20T%20Synthetic.pdf

I myself notice a lot longer warmup time when the temp is at -10 deg C vs 0 deg.

__________________
Bob Roe
Lehigh Valley PA USA
1973 Olds 88, 1972 MB 280SE, 1978 Datsun 280Z, 1971 Ford T-Bird, 1972 Olds 88, 1983 Nissan Sentra, 1985 Sentra, 1973 230.6, 1990 Acura Integra, 1991 Volvo 940GLE wagon, 1983 300SD, 1984 300SD, 1995 Subaru Legacy L wagon, 2002 Mountaineer, 1991 300TE wagon, 2008 Murano, 2007 R320CDI 4Matic 52K, some Hyundai, 2008 BMW 535xi wagon, all gone... currently
2007 Honda Odyssey Touring, 2014 E350 4matic