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Feedback I've received before never indicated as critical a problem as Terry seems to be alluding to. I'm no expert... far from it... but Terry's feedback is the strongest I've yet received. Makes me think my engine is about to fail. What is the real skinny here with the lead wear? What kind of...

Almost four years and 76,000 miles of UOAs on this engine. I got tired of less-than-stellar results with carefully selected oils, so I just went with the synth blend on sale at Walmart. Currently have a fill of Valvoline Durablend 10W30 in the oil pan. I plan on changing it at 4500 miles, in a...

Snooze warning everyone... these UOAs are nothing to write home about. It was so boring I forgot to post it. There are just two things that really caught my eye: 1. The iron significantly lower (relatively of course) than previous UOAs. Is the Pennzoil performing better than the M1? 2. The...

Guess I'll be heading over to Advanced Auto this morning. Thanks for the suggestions.

Showed my intelligence tonight... went thru the car wash with the gas cap off and lid wide open. Water MUST have gotten into the tank, but there were no symptoms or problems in the three miles it took to get home. Should I expect problems? Is there an additive to remove water from the tank? Anu...

Very few engines display wear numbers as low as this Toyota engine... gotta love it! The silicon is high but there does not appear to be a correlation between the silicon and wear. One of the highest silicon numbers appeared with Pennzoil, but accompanied by lower lead and iron. If there...

Thanks for the replies... I'll send it in.

On July 08, 2006, I took an oil sample of PP from my G35 with almost 6K for the interval. I got busy and misplaced the Blackstone sample container with the oil in it. I just found it this weekend. Is it too late to send this in for analysis? I got to thinking that after almost six months in the...

It's not a high number in and of itself, but in comparison to the other results, it's on the high side.

2002 Toyota Sequoia with 104,000 miles on the odometer, approx. 70% highway miles. I'd like to get to 300K miles or more.

I actually menat to link to the BITOG thread, the G35driver.com thread... G35 UOA on BITOG

I also took a look at my G35 UOAs and the iron is also very high for Mobil1. 3 Years of G35 UOAs Running the Pennzoil Platinum in there as well... the next UOA should be interesting.

Wait a minute... I can't believe I never noticed that. As far as I'm concerned, I believe you just made a valid point. In an engine like this that shows very little wear, with any oil, I think these iron numbers might be significant. Now I can't wait for the Pennzoil Platinum numbers to see what...

Yeah, I've seen polk's UOAs.. he's even got a Sequoia in the family like I do. Maybe I will try the GC... I've never really paid attention to this oil, not even sure if it's over the counter, but I'll take a look at it if my next UOA is questionable.

Air filter was changed at 82K. The only maintenance item that overdue (if I remember correctly) is a transmission flush... did it last at 50K, and I believe it's recommended every 30K (again, if I remember correctly).

No.. no professional interpretation needed. Even with these "poor" results, I'm sure I'll still get another 150K-200K miles (or more) out of this engine. The feedback from the members here suits me just fine. And if a few of the more serious "oilheads" chime in, all the better.

...or is it Platinum and not Ultimate... must be past my bedtime.. .I'll check the bottle tomorrow.

Mobil oils just do not sem to work in my G35 sedan. I've seen other reports using this engine (Maxima, 350Z, etc.) and Mobil1 and the wear numbers are far lower. I've attached the most recent report as well as reports I've done over the last three and a half years. With Mobil1 working so well...

I think it's PennZoil Ultimate synthetic... not sure why I'm thinking Platinum...

I've not been having much luck with my G. I've been using Mobil synthetic and dinos, and the results have not been impressive at all. I've also always used the Purolators... Pure One or Premium... I'm not one who believes the Micron filtration makes a significant difference. I'll be posting my...