Austintatious
Member
I've heard recommendations for Shell Rotella T 15W40 but that says for Diesel Engines on the label.
I've also been told Valvoline VR1 for it's higher zinc content (older flat tappet engines like this).
Curious what brand everyone uses?
I've also been told Valvoline VR1 for it's higher zinc content (older flat tappet engines like this).
Curious what brand everyone uses?