Your probably right. AC Delco is the genuine article.... Mr Good wrench and all that.

Use the brand that u r comfortable with. Castrol, M 1,
??Pep Boys??WalMart???, A C Delco Interesting discussion.

__________________
2002 BMW X5 3.0
2006 Ford Explorer 6 cyl
1998 VW Jetta 2.0 GLS
2004 Honda VTX1800C 100hp 97 lb of torque