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  1. M

    M1 5w30 EP HM got thinner!

    I prefer it in my Maxima 2009 (104k miles) due to its higher kv100 viscosity (was 11.9). I checked today and was surprised to see it at 10cSt (M1 5w30 EP non HM is 10.6) I am contemplating finding a thicker 5w30. I switched from M1 FS 0w40 in fear of ruining my cats 🐈🐈🐈 (my engine burns about...
  2. M

    Burning rate in various stages of one OCI

    I bought my 2009 Nissan Maxima with 103k miles when it had 80k miles. It was one owner and in pristine condition. %95 of maintenance was done at a Nissan dealership in PA. I have at least 15 documented OCIs most of them done at the dealership ship with what listed as "Nissan 999BK05w30NW" oil...
  3. M

    Noob question: is there really synthetic and conventional PS fluid?

    Is there really a synthetic PS fluid and there is conventional? Or just a myth and all of them nowadays are synth?
  4. M

    M1 5w30 EP HM thicker than M1 0w40 (below 40c)?

    Hello. I decide to stop using M1 0w40 FS for my Maxima 09 with the VQ35DE engine. It still burns about the same amount of oil with the 0w40 compared to the 5w30. And was worried too about the cats since it's a full SAPS oil. I changed the oil last weekend to M1 5w30 EP HM (11.8 cSt@100c). So i...
  5. M

    M1 EP HM 5w30 vs M1 0w40 FS?

    Which one would suit cold starts better (thinner at say 10F to 35F weather)? The VQ burns a bit of oil I'm worried about keep using the M1 Euro 0w40 (catalytic converter life)! I'm considering the M1 EP HM 5w30 since it's the heavier choice in the M1 5w30 product line.
  6. M

    Interesting read in Nissan GTR 2015 manual

    Hello, I came across (in one of the recent BITOG topics) the owner's manual of the Nissan GTR 2015. Shown in the pic below: anonymous image hosting Any ideas about why they believe lower than H mark oil level is more suitable for higher performance? Higher temp oil expansion?
  7. M

    CVT fluids

    I'm looking at several options for Nissan CVT fluids. Nissan OEM, Idemitsu, Amsoil, etc.... What property should I be looking for so I can identify which one warms up faster? It's a pain in the a** for these trannies to warm up at anything colder than 40F weather. Until this time I had only...
  8. M

    7th gen Maxima (09 and 11) transmission warmup time

    Hello, Whenever it's say sub 50F outside, it takes FOREVER for the CVT to warmup! I try to idle the car at least 5 minutes in MD weather these days (25f to 40f) and I'm directly logging data from ECU through OBD. Engine coolant takes about 4 to 5 minutes to be in the 125f zone (that's when I...
  9. M

    Widman Viscosity Curve M1 0w40 vs M1 5w30HM

    https://www.widman.biz/English/Calculators/Graph.html See attached pic. How does Widman Curve determine these numbers at say 0c? Intuitively, M1 0w40 (blue) having a higher viscosity at 100c than M1 5w30 HM (red), 12.9 vs 11.9, and almost the same viscosity at 40c (around 70) it would be...
  10. M

    Mobil1 FS 0w40 European Formula new PDS

    I noticed a new PDS for M1 0w40 attached below. First time I saw they published the pour point at -60c. Will this clear any concern to use this oil at very cold climates especially in an engine that calls for 5w30 as my VQ3.5L? Or anyone concerned to run a thicker oil in cold days? If so, this...
  11. M

    Asking for a friend, thinking to use "lightly used oil"

    The guy (my friend) bought his son (17) a used Mercury Marquis 2004 (I call it the granny version) 4.6L V8 with 225k on the odo. Thing leaks and burns oil like no tomorrow. He knows his son is a monkey (his own description on his son) and will never care about it properly. Plus my friend just...
  12. M

    Why Mobil1 high mileage oils are not dexos certified?

    I noticed M1 5w30 HM and M1 5w30 EP HM do not have the dexos stamp on them. Educate me to why is that please. Thanks
  13. M

    For an engine calling for 5w30, M1 0w40 vs EP 5w30 HM?

    Looking for a thicker oil for the VQ3.5: Would you run M1 euro 0w40 or M1 EP 5w30 HM? 12.9 vs 11.8 cSt at 100c. EP has the advantage of API SP, ILSAC 6A and newer standerds in general. M1 0w40 has tough requirement to meet (MB, VW and Porsche). Though I'm starting not to trust oil makers claims...
  14. M

    Maxima VQ 3.5L to M1 Euro 0w40, any concern about the cats?

    Hello, I did an oil change to our 2011 Nissan Maxima 2 weeks ago and for the first time used M1 euro 0w40 and a Nissan filter. PUP 5w30 was in the sump for the previous OCI. Well I see no concern at all driving the vehicle now. And probably dare to say it seems to pull harder and runs quieter...
  15. M

    API SP 0w40 oils?

    I have a question, are there any 0w40 oils in the market that are API SP?
  16. M

    Power steering delete?

    Hello, We have a Honda Odyssey 2004 with 157k miles. Body is in bad shape, suspension is so so, but engine and transmission are healthy. It's kind of our beater. It has a bad power steering leak. Got several estimates from several shops around and all if them seem riping to me, one shop...
  17. M

    Castrol 0w40 vs M1 0w40

    Hello, I'm aproching an OCI for my Maxima 09 with a VQ35DE, 96k miles. Slightly burning, 3/4 of a quart in 4k miles, short tripper, using the PUP 5w30 for the last 4 OCI, which I will stop doing. Didn't really like the thin weight of PUP and the burning I am experiencing. Plus the oil shearing...
  18. M

    Castrol 0w40 SP?

    I was browsing the Castrol website in the pds section and found out there's 0w40 A3B4 API SP? Is this a new Castrol 0w40? Thought it only came in API SN rating.
  19. M

    Mobil1 or Castrol Edge 0w40 VOAs

    Hello, Thinking to use either one in the Maxima VQ35. Anyone has a recent VOA of either one? Saw some 2016 posted before. Thanks
  20. M

    M1 0w40 in winter for my Maxima 3.5

    Hi, I have been contemplating the idea of using a 0w40 oil in my VQ 3.5 engine (Maxima 09 and 11). Manual calls for anything from 5w30 to 20w50 depending on ambient. 5w30 is preferred in USA(10w30 for Mexico). 09 burns a bit (half a quart) in 3k miles. Mileage is 95k. Currently using PUP 5w30...
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