Oil Change..Mileage Drop???
#12
Re: Oil Change..Mileage Drop???
That said, Toyota does have a 'high-speed' pressure recommendation (for sustained operation >100 MPH) to increase pressure by 3 PSI (page 404 of the 2008 manual). The primary focus is to reduce flex and risk of tire failure, but a secondary result is lower rolling resistance. With other cars I've had in the past, the 'high-speed' spec would not noticeably compromise any operational aspect, and that seems to be the case with the TCH as well. On 'crunchy' roads, I'd hesitate to 'go radical' with 40+ pressures, mainly due to the fact that they'd make worse the car's tendency to develop rattles. If the roads were ultra-smooth in my primary drive area, maybe - but here, the pavement warts and some of Toyota's trim attachment engineering solutions make me hesitate...
Kinda makes you wonder about the guys with 30-profile tires complaining about rattles...
#13
Re: Oil Change..Mileage Drop???
The oil change etc was done by my Toyota dealer. So I'm assuming they put in the correct oil. Bill only says Mobil oil. Also they rotated and balanced tires. I did the recommeneded first service check. Perhaps I will call them tomorrow and ask what oil and what pressure. But I cannot undo what they did right? Thanks .........................
So, do not assume they put in the right oil. Unless, you specifically state that you want 0W-20, they most likely put in the bulk oil.
Frankly, It is cheaper and easier to do so.
Other choice is to bring your own 0W-20 in and have them do the oil change for $10-15 for labor.
Here is a list of all API approved 0W-20.
http://eolcs.api.org/FindBrandByVisc...iscosity=0W-20
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