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I really hope it's not a coolant leak cos this seems to be a fairly common problem in QG18DE engines in the Sentra in the States due to head leak according to: http://www.b15sentra.net/forums/archive/index.php/t-121512.html I will follow AL's advice and keep an eye on the coolant level and do...

Thankfully, Si has gone done significantly, probably due to new air filter. Wear figures seem to have crept up but this run was 35% longer than the previous. Report says no glycol but I find the Potassium 12 and Sodium 6.4 a bit disturbing ... I'm puzzled about the sulphur readings, I have seen...

Yep, I have been using OEM air filters. The dealership puts in the oily one which they say can last 25k miles. But I usually change them in 10k miles with the dry paper ones, also from Nissan. The oil filters are also from Nissan, P/Ns are: 15208-65F00 - short type 15208-31U00 - long type I...

Hi sky_jumper, Well, that was my first time using Dyson analysis, those parameters were in the report. For insolubles, the report says: "Soots/solids: Clean fuel soot, and solids" Junked the previous filter, yep, it's the original nissan oily paper filter. The dry paper filter is also from...

If I don't remember wrongly, starting vis for carlube 5W40 is 14.3, so you're right, it has sheared

Sorry, there's some problems with the link

Sorry, should have posted this earlier. Terry recommended that I do the FP60/LC20 regime from result of the 13Nov05 sample and I threw in the schaeffer EP moly as well I changed the air filter upon seeing the 35 silicon, looks like I should change the air filter more often, or maybe the dry...

Hi, You should put the nice pics on your mxtrading website

Thanks ... am planning to go 8k miles with the same brand of oil but will change the air filter first. Already done 2k, another 6k to go

Are you using LC20 to bring down the oxid and nit nos. ?

Yep, still got alkaline juice inside, Terry gave the green light to go for 10k km OCI Also gonna try LC20 and FF60 when stock is available. Ya, very value-for-$$ but heard someone saying price will increase this year ... so you might want to stock up if you still using this oil. Thanks, I...

Car: Oct 2003 Nissan Sentra Engine: 1.6l 4cyl QG16DE Car condition : Completely stock except voltage stabilizer on battery Driving style: Gentle Climate: Tropical, typ 25-30 deg cel, rel humid 70-90% Oil: Carlube Triple-R 5W40 (SL/A3) Oil in service: 4 months Miles on Oil: 4624 Miles on engine...

Hi guys, Thanks for your advice. I just got a reply from redline saying the same thing, that a small part of the additive package will settle out after sometime, however they noted that it's not critical. But I will still do the shake the next time. Maybe they should put a "shake well...

Hi, I just changed my manual gear oil to redline MT-90, but I notice some fine grey sediments at the bottom of the bottle of MT-90 after pouring out the oil. Is this normal ? Could it be due to the additive components precipitating out after prolong storage? Should I shake the bottle before...

Yep, we only have unleaded here. All brands offer RON 92, 95 and 98 gasoline. Leaded was phased out many years back.

Not that I know of. Perhaps Ken4 can advise?

That reminds me ... I have to get more plastic bottles from blackstone ...

I think no point doing VOA. The additive metals ppm counts are comparable for different UOAs for RP10W30 coming from SG. So maybe we can conclude that the formula for RP oil sold in SG is slightly different. I might be doing another UOA in another 4k km. That's when the RP10W30 would have done...

My UOA on RP10W30 in a 1.6 sunny Ex also shows Ca more than 2,000ppm: http://theoildrop.server101.com/cgi/ultimatebb.cgi?ubb=get_topic;f=3;t=001688 UOA done by WearCheck (ALS chemex) Maybe formula for RP in Singapore is a bit different ?