We have been a T1 certified AMSOIL Dealer since 2006. I am also a mechanical engineer with over 15 yrs in the automotive industry. I have learned the importance of choosing the right oil as well as the difference between the oils on the market today. But don't take my word for it - do what I did - do the research - I know you will find that AMSOIL is simply the best product - period. And when you are ready to try it - we will be here to help you in any way we can - thanks for stopping by & checking us out.