I use a lot of Havoline DS because it cost me $1/q.
Have 5w-20 in the Astra over winter, although in Europe the same engine specs 5w-40.
Short trips and woman driver = low oil temps = thick oil.
Have 5w-20 in the Astra over winter, although in Europe the same engine specs 5w-40.
Short trips and woman driver = low oil temps = thick oil.