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Just got a bottle of the TGMO SP 0W-20. It's RN6674 and date code 10220J21A.

They do seem to have slowed somewhat. In the past year or so, they've been taking about 3-4 business days AFTER receipt to get me my report by email. Prior to that it was usually 1-2 business days after receipt. I use USPS Priority Mail, so these numbers are legit, because I can see exactly when...

Originally Posted By: btanchors I find this UOA fascinating. I am puzzled as to how sodium can get in the engine without silicon (sand) getting into the engine as well, from the non-OEM air filter setup. I strongly suspect bigt61 nailed it - but how can the sodium get in while sand does not...

Originally Posted By: Nate1979 Was a different oil used before this run? No. This is the third consecutive fill of M1 EP.

Hey BananaStand, how close are you to the beach? You'll see in my 4Runner post with M1 that I am also in an elevated sodium / zero potassium situation. The coolant I use (Toyota SLLC) contains potassium hydroxide but no sodium, so that sort of rules out the coolant theory for me. There may be...

Originally Posted By: bigt61 On the sodium - is it possible that you're close enough to the ocean to get some sea spray & humidity that might be fine enough to get through the filter? Now that's an interesting observation. Yes, in fact this 4Runner is used to drive directly on the ocean beach...

Originally Posted By: ExMachina No sodium there. Picked up a little sodium in the road salt this past winter, coming in thru your air filter maybe? I'm going to run with that and not worry. Just to confirm the link above, I dug out the leftover jug of SLLC from my coolant drain and fill from...

Yep, it's 5K. Very conservative.

SLLC Composition Water (7732-18-5), Ethylene Glycol (107-21-1), Diethylene Glycol (111-46-6), Sebacic Acid (111-20-6), Potassium Hydroxide (1310-58-3).

I use the spec'ed Toyota SLLC coolant, which is pink. I changed it at 105k and it has held it's level in the overflow reservoir for over 20k miles. I'm not sure if it has potassium in it. I haven't used any oil additives. I did put a bottle of Techron in with the gas once or twice.

Pleased with wear. Should I be concerned about sodium?

Originally Posted By: zpinch Yeah,good report and nice low wearing engine not untypical of Toyota engines. Keep it in the sump for longer. What is the cSt on new EP? Viscosity @ 100 ºC, cSt (ASTM D445): 10.6 Viscosity, @ 40 ºC, cSt (ASTM D445): 59.8...

Originally Posted By: bigt61 Nice numbers. If you're in N Va, a lot of those miles have to be stop and go, which aren't easy. 7500 miles is a good goal for now, 10k may work, 15k may be a stretch. I need to update my location. Moved from Alexandria to Slower Delaware in Nov but I still commute...

Absolutely. 7500 next time. Maybe more later.

First OCI on new to me T4R purchased with 105k on odo. Can't find much to complain about, which is a pleasant feeling.

Originally Posted By: CKN Originally Posted By: STupidfaST I just bought a 2006 4Runner SR5 4x4 V6 with 105k mikes for $1000 below KBB fair market value. It is in phenomenal condition. Not even surface rust on the frame. There are quite a few 4th gen 4Runners on the used market. It's a buyers...

I just bought a 2006 4Runner SR5 4x4 V6 with 105k mikes for $1000 below KBB fair market value. It is in phenomenal condition. Not even surface rust on the frame. There are quite a few 4th gen 4Runners on the used market. It's a buyers market. I got the dealer selling mine to come down just over...

Originally Posted By: JerryBob Very clean. What kind of miles were these? Hwy? City? 65% highway. Lots of heavy acceleration/boost. Car is too much fun not to.