- Apr 18, 2004
- Boynton Beach FL.
Here's the deal I ordered Auto RX after developing a oil leak.With 140000 mi on my Nissan PU 2.4 using Castrol Syntec the life of the truck (10 years) A. Should I stay with the Syntec or use another oil like Chevron Supream.10/30 B. Use a high mileage oil like Chevron Supream HM. C.Use a blend like Schaffer 10/30 D.Use AMSOIL 10/30