▲ 1 r/Mustang
Ceratec question
Do I add a bottle of Ceratec after the 10 quarts of oil? Or leave some room for it?
I did my oil change abt a month ago can I still add it?
Also should I switch to pennzoil ultra premium 5w30?
(2023 10speed mustang GT) - catless 93/e85
u/36ixShinobi — 5 days ago