Anyone familar with Royal Purple synthetic oil?

[ChinoCharles]

Originally Posted by keesue

What weight do you use, Charles?

I use what the manual recommends. 5W-30 right? Its early and I can't think but I'm pretty sure thats the magic number. May switch to a lighter weight soon to see if those MPG gains are for real. 1500 more miles until 20,000.

Nigal, since the Yaris only takes 3.9 quarts of oil there should be no reason not to use the best oil possible. I picked up 4 quarts at Summit Racing for $26. That is less than I'd pay the stealership to put dino oil in my car.