Yes ive searched.. no real definite results.
98 c1500 vortec 350 155k miles
all I want to know is will it hurt to run 15w40 rotella. Ive always ran 10w30 Castrol.
Ive read that the rotella has a higher zinc and detergent level than every day oils.
anyway, any help would be nice.
98 c1500 vortec 350 155k miles
all I want to know is will it hurt to run 15w40 rotella. Ive always ran 10w30 Castrol.
Ive read that the rotella has a higher zinc and detergent level than every day oils.
anyway, any help would be nice.