- Joined
- Feb 5, 2022
- Messages
- 99
- Reaction score
- 88
- My Car
- 73 MUSTANG GRANDE Q CODE
I run Castrol 10W40 and add Lucas break in additive about 3 oz 10W40 is what has been run in it since new.
The rest of my cars I've run Shell Rotella 15W40 for over 30 years never had a problem.
The rest of my cars I've run Shell Rotella 15W40 for over 30 years never had a problem.