I replied before, MST isn't for the US market.
Valvoline products are top-notch.
Valvoline Synpower MST 5W40 Is A Weak Oil with a Low Additive Package which is shown with a low TBN number & a Low SAPS
MST Valvoline Synpower 5W40 Is Very Bad For Use With Ethanol Based Fuels Also
Valvoline Should Introduce their HST Formula which is the Valvoline Synpower HST 5W40 In Bottles, They Currently Only Have It Available In Drums
Last edited by VWVR624V; 05-26-2012 at 11:37 PM.