davidp14
SILVER Star
I run 15w40 t4 year round. It's one of the OEM recommend weights. No complaints from me or the motor.
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Pretty sure the OP had a 1FZ...Just adding that this thread explains hzj 1hz oil to use so it pops up in search if people are looking.
Thanks for the clarification, I mistakenly thought the oils discussed were only for diesel until your reply. Hopefully the rotella t4 15w 40 that seemed to be recommended is a good oil for the 1hz. My mechanic thought that was what I would want but asked me to look for what Toyota recommended. I couldn't find that.Pretty sure the OP had a 1FZ...