Owner reviews for engine oil

X2 on the Redline. I use this and i'm very happy with it.

When we tested Mobil 1 on the racecars on the dyno Mobil 1 freed up 6-9 hp over other oils using the same Ford viscosity - 0w/20W.

i switched from Castrol Syntec 5/40 to Total(ELF) 5/40--it's good stuff,long drain formula,too.their website says you can safely run it for 2 years before changing it out

They also have a race blend for better protection.

I just changed the oil in my car and I used Amsoil 5w40 European blend. No complaints so far.

i switched from castrol syntec 5w40 to mobil 1 0w40 when i went turbo and i noticed faster spool up and 9 degrees colder oil temps during hard drivin.....

I wouldn't use anything other than Amsoil I recently purchased some to change my R's oil soon.

There is few more approved liquimoly, amsoil I personally use 5w30 liqui with oem filter every 5-6k miles

My guy uses Motul 5w-30 in my CC.

Mobil 1 0W-40 can be had at your local walmart. It's quite a bit cheaper at walmart than the auto parts store.