Originally Posted by fastgti69
Can we please, please, please, not turn this into another one of those oil discussion where everyone has their favorite oils and reasons why its the best. We l like Amsoil its what we recommend if you do not like or use it. That is fine, but please keep it to yourself. As far as the valvoline you are using. You can use that too, it will work fine, we just prefer the amsoil and slightly higher viscosity to add a little protection at extreme temps etc. It has the same cold viscosity rating, but will give a little buffer when its hot. These cars already run hot as it is. "