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Although not exactly the same engine as the Avalon, I have a UOA on my Lexus GS350 using M1 EP 0w20 for approximately 10,000 miles. You can draw your own conclusions whether or not this interval is right for you...

Thanks for all of the replies. Considering that TBN is 2.2, and that the flashpoint & viscosity values are reduced due to possible DI fuel dilution, should I reduce the OCI to 7500 miles, or is a 10000 mile OCI still OK?

Originally Posted By: DBMaster Not sure I see the point. EP should be good for 15K miles. If you were running less than 10K why not save a few bucks and buy AFE? So much waste represented on this forum! Seriously. When I purchased the oil last year the cost difference between EP and AFE was...

2014 Lexus GS 350 with 2GR-FSE engine (3.5 liter V6). Purchased this car with 13654 miles (CPO). At 20081 miles, changed the oil to Mobil 1 Extended Performance 0w-20. The oil was used approximately 9 months. I used a Toyota/Lexus oil filter. I took this sample at 30058 miles during the latest...

Originally Posted By: virginoil Choose the one that is OEM approved. By the way where the 10000 mile criteria come from ?? The OEM manual, BITOG Bible ?? The scheduled maintenance log for the 2014 GS350 specifies oil & filter changes at 10,000 mile intervals with 0w-20.

Thanks for the responses, especially the ones referring to the other specs that require consideration. By the way, here are the actual 0w-20 oils I listed: Oil A - Mobil 1 Extended Performance Oil B - Castrol Edge Extended Performance Oil C - Motul 8100 Eco-Lite Oil D - Total Quartz 9000

Originally Posted By: Kuato To answer your original question and based solely on the information presented, I'd use Oil A based on VI and HTHS advantages. But completely agree that there are TBN and other considerations. How about this one: Viscosity 100 C: 8.7 Viscosity 40 C: 46.6 VI: 167...

Originally Posted By: Quattro Pete Originally Posted By: tam92 Or should I look at other factors besides specs to make a choice? (Like a low price ) For 10K OCI, you might want to look at TBN/add pack. I've seen TBN as low as 7.1 on some 0w-20s, and as high as 12.6. What is a good TBN value...

I'm listing the specs (but not the brands) of several 0w-20 oils to see what you would pick and why. Where I live, morning winter temps may dip into the 20s F but daytime summer temps will regularly be in the high 90s to lower 100s F. OCI will be 10,000 miles for a 2014 Lexus GS350. Traveled...

Originally Posted By: Oregoonian To save a few $$$.....QSUD 0w20 would be a good fit your situation.... with OCI's once a year at between 7500K to 8500K. As far as a filter....why not get one of the best (Fram Ultra)..... and use it over two OC's. (2 X 7500K = 15,000K). I checked the Fram...

I have a 2014 GS350, non F-sport. At the 20,000 mile oil change I used M1 EP 0w-20 with a Toyota/Lexus filter. I have 6,000 miles on the oil and have had no issues so far. No noticeable consumption, and fuel economy has been good. No increase in engine noise either. I intend to run a 10,000...

2014 Lexus GS350, 20081 miles Mobil 1 0w20 Extended Performance Toyota 04152-YZZA3 Oil Filter

I've noticed the TOTAL sponsorship in the US has increased recently. They are now an official sponsor of the Grand Am road racing series. I also noticed a large TOTAL sign near left center field of the Texas Rangers baseball stadium. The US TOTAL website doesn't have any news regarding new or...

I contacted Blackstone, and they confirmed it is based on the readings they've seen for that engine type.

Everyone, thanks for all of the responses so far. I concur with several of the replies regarding 5K oil changes with this engine. I've extended the oil mileage up to 10K before, but the engine is noticeably louder and doesn't feel as smooth at that point. I've been satisfied with the M1 0w-40...

2006 Audi A4, 3.2L V6 FSI, 6 speed manual transmission. 50/50 city/highway driving. 15 mile commute to/from work each way, with stop and go traffic in the afternoon. Oil changes with Castrol Syntec 5w-40 were performed at 5K, 10K, 15K, 25K, 30K, 35K, and 40K. Switched to M1 0w-40 at 48K, and...

Has anyone found Shell's Helix synthetic here in the US?

One of the local Nissan dealerships in San Antonio recently switched from Quaker State to a 5w-30 synthetic blend from Trop Artic (Phillips 66). Anyone have experience with this oil?