Recent content by TNspecV

Thanks for the welcome! sorry for the ignorance but i do not know what TBN stands for....is there any benefit to a synthetic vs. fossil oil? would it be bad in the long run going from the castrol gtx (synthetic i believe) to the penzoil which is not?

New here and i must say, wow. Everything from gun oil to air filters! great forum. I am looking for some recommendations for motor oil. I drive an 08 nissan sentra spec v. SAE 5W-30 viscosity recommended in the manual. Dealership was running castrol GTX when i lived in louisiana moved to east...