Quote Originally Posted by Yuki13 View Post
Sir that would be my next question here, hope somebody would jump in. What is the best low viscosity mineral oil available? Any thoughts on mobil super 1000 x2 15w-40? Api sn/sm/sl/sj, ACEA A3/B3. 1049.75 for 4 liters at ace hardware.

Yes, I think I should stick with toyota's oil for now. Seriously considering fully synthetic rather than their 20w-50 mineral.

Try looking at Valvoline.

Toyota FS is 5W-40 SM/CF. Made in China.