Originally Posted by CoolRod

On the general subject of oil and filters, here is a link to a very complete filter test. Find your favorite and see how it stacks up.

http://minimopar.knizefamily.net/oilfilterstudy.html

I use Mobil1 and a Mobil1 filter in my Avalanche, but I'd bet that whatever Toyota has your dealer use is what Toyota feels is best for your engine.