I'm seriously considering the swith to Amsoil Synthetic motor oil. I now have a little over 4,000 miles on my FJ so there should not be a problem in terms of the engine being broken in.
I found a lot of good info on this site and Amsoil seems to be the best out there.
Now here is my dilemma.....just spoke with the dealer and they tell me that I still need to change the oil at there recommended intervals...every 5,000. If I don't do that and a problem arises my warranty could be voided.
Any suggestions?
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