Considering the amount of vehicles using ULV between Ford and GM, you'd think there would be more of a market. Motorcraft, Valvoline, Klondike (?), Ravenol (lower vis at 3.3 than the Ford 4.8) put out products. Other companies say ULV, but still are in the LV range, not ULV.
Redline says there has only been talk about a possible future product and Amsoil replied with recommending their fuel efficient series...6.3 vis.
Thoughts?
Redline says there has only been talk about a possible future product and Amsoil replied with recommending their fuel efficient series...6.3 vis.
Thoughts?