Originally Posted By: whitearrow
thanks guys for all of the informative reads.i'm gonna make sure to see the actual bottles of oil if they use it that way.they may only use bulk,but i'll ask.so the general concensus,for the most part,is to use a heavier 30 wt oil?i think,after the "free"oil changes i'm gonna start using mobil 1 advanced fuel mileage 0w-30.this engine has a pretty big sump,around 8 quarts,so it should be pretty easy on oil,at least i hope.i'm gonna do 5,000 mile oci anyway with a toyota oil filter.
Yeah good move. It's best to see the actual bottles put in your truck, and some guys have asked for the empty bottles they used. If they use bulk, you have no idea what's being put in your truck. Most dealerships use 5w30, because that is what most of their cars use so they just use it for all of them. Plus, it's the cheapest oil they can get their hands on.
I beleive the ONLY way you'll get synthetic is if they poor it out of the 1 quart jugs.