At 07:09 PM 1/13/2010, Tom Hargrave wrote...
>"New and improved" just means that the formula changed and the results
>could
>be good or bad.

Still meets API CJ-4, CI-4 PLUS, CI-4, CH-4, C4, SM, SL, SH; ACEA E9;
Caterpillar ECF-3, ECF-2; Cummins CES 20081; DDC 93K218; Ford WSS
M2C171-E; JASO DH2; Mack EO-0 Premium Plus; MAN 3275; MB Approval
228.31; and Volvo VDS-4 specs. (As did the previous CI-4 Rotella T Syn
formula). They added JASO-MA certification, which applies to wet clutch
vehicles (e.g. motorcycles).

Also significantly better than their older CJ-4 formulation:
http://www-static.shell.com/static/can-en/downloads/products_services/lubricants/rotella/rotella_t6.pdf