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EG018-06 / Engine Oil Recommendation / 03-29-06

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RAVMAN

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TSB Number: EG018-06
Bulletin Title: ENGINE OIL RECOMMENDATION
Release Date: March 29, 2006
Applicable Year(s): 2006 – 2007 model year Toyota and Scion vehicles.
File Size: 25kb PDF
Download: http://rav4world.com/tsb/2006/EG018-06.pdf

Description: Toyota Motor Corporation manufacturing plants have begun using ILSAC GF–4 engine oil. This engine oil is recommended due to its superiority in terms of fuel economy and engine protection and due to its benefits for both the customer and the environment. ILSAC GF–4 can be used in all Toyota and Scion engines.

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R4W Comments:
 
#4 ·
RAVMAN said:
TSB Number: EG018-06
Bulletin Title: ENGINE OIL RECOMMENDATION
Release Date: March 29, 2006
Applicable Year(s): 2006 – 2007 model year Toyota and Scion vehicles.
File Size: 25kb PDF
Download: http://RAV4World.com/tsb/2006/EG018-06.pdf

Description: Toyota Motor Corporation manufacturing plants have begun using ILSAC GF–4 engine oil. This engine oil is recommended due to its superiority in terms of fuel economy and engine protection and due to its benefits for both the customer and the environment. ILSAC GF–4 can be used in all Toyota and Scion engines.

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R4W Comments:
Click to expand...
Here is an example:

http://www.quakerstate.com/pds/TDS PeakPerformanceConventionalMotorOil.pdf
 
#6 ·
That will cost you about $25 to $30 more per oil change vs something like Quaker State in the 5-quart container (at Walmart).

It does have:
# API SM/CF, SL, SJ ...
# ILSAC GF-4, 3 ...

So if you want to spend your money that way, go ahead.
 
#7 ·
Interesting to note that ILSAC has developed standards for GF5 that manufactureres will look to implement in 2011 model years. this is a neat link which puts it mostly in a nutshell especially the spider graph video. sheds some light on the trade offs that I was not aware of. directed mostly at emissions and fuel economy while wear protection stays about the same. though they are rather vague on that aspect of it.

http://www.gf-5.com/
 
#8 ·
If the car mfg companies are on the edge of getting just 1-mpg increase in round-up (i.e. if they get 26.4-mpg and it increased to 26.5-mpg), they would probably spend the $25. For the consumer, that's about break-even over the course of an oil change (if you push a change out to 7,500 miles).

So...it all depends on if you trust the marketing.
 
#9 ·
Some years ago the Illinois State Police did a study with synthetic oil. Took 10 cars with synthetic and ten with conventional. Changed the conventional with a filter change at I believe 3k intervals and brought the synthetic cars in at the same interval and took an oil sample for lab analysis. If memory serves they used Mobil 1 for the test, which I think, was boasting a 25k interval. They found that though the oil stayed in viscosity near 25k, acid content reached unacceptable levels. The filter did nothing to take out the acid. They settled on a 15k interval, but for some reason switched to synthetic oil made by Ghetty. Lost track of what happened in the ensuing 10 years, but I think they are back to doing conventional oil changes at manufacturer recommended intervals. I think most conventional oils now are within published viscosity well past the old 3k standard. When you see all the addatives that go into "conventional" oils, it seems odd to call them conventional.

I change mine at 5k intervals mostly to keep it simple. I think the Rav starts warning me at 4500 and if allowed to go past 5 k the warning comes on solid.
 
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