Schattenjager
Expedition Leader
I just ran across the notion that the 5-30 oil weight recommended in my owner's manual is for the USA only. All other markets recommend that the owner use 20-50 - a huge difference!
Can anyone not in the USA check their manual to see what the recommend oil weight is in your market?
I am considering making the change. I have Mobil 1 5-30 in it now and may very well change to Mobil 1 20-50 on a motor with 200K miles.
What say you about this?
from the source:
"This has been a major source of controversy. For U.S. spec vehicles, Toyota recommend 5w-30 for most conditions and 10w-30 for extreme hot
conditions. However, this likely has less to do with what is best for engine longevity and more to do with fuel economy. The lighter oil just barely
improves fuel economy and the government mandates that manufactures recommend an oil that is fuel saving.
However, in Australia where the weather is mild to hot and there is no such fuel economy requirement, Toyota recommends a 20w-50 type oil.
One has to assume the heavier weight oil is better for the engine, but more research and debate is needed."
Can anyone not in the USA check their manual to see what the recommend oil weight is in your market?
I am considering making the change. I have Mobil 1 5-30 in it now and may very well change to Mobil 1 20-50 on a motor with 200K miles.
What say you about this?
from the source:
"This has been a major source of controversy. For U.S. spec vehicles, Toyota recommend 5w-30 for most conditions and 10w-30 for extreme hot
conditions. However, this likely has less to do with what is best for engine longevity and more to do with fuel economy. The lighter oil just barely
improves fuel economy and the government mandates that manufactures recommend an oil that is fuel saving.
However, in Australia where the weather is mild to hot and there is no such fuel economy requirement, Toyota recommends a 20w-50 type oil.
One has to assume the heavier weight oil is better for the engine, but more research and debate is needed."
Last edited: