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Under Valve Cover Pic + bonus VQ35DE 162,000 miles #4778905
06/06/18 08:28 AM
06/06/18 08:28 AM
Joined: Apr 2017
Posts: 445
Utah, USA
28oz Offline OP
28oz  Offline OP
Joined: Apr 2017
Posts: 445
Utah, USA
Just replaced some weeping valve cover gaskets and spark plugs on my 2004 Nissan Quest VQ35DE. Oil used has been mostly Pennzoil Platinum 5W-30 or 0W-40 lately with occasional OCIs of Mobil 1 0W-40. I probably have used Castrol or Valvoline a couple times. Manual recommends 3,750 severe service OCI, but I usually ran it around 5K miles or so depending on weather and my availability to change it. Lots of short trips to the elementary school/grocery store (one or two miles each way) with a highway run usually once a week.

I was pleased to see how clean the intake valves were. Fuel used is/was usually the least expensive lowest octane available (Maverick or Smiths/Kroger typically). No idea if either is Tier One. Have rarely used any fuel injection cleaners and have replaced one injector in the van's 162K miles. I bought it about 8 years ago with 73K on the odo.




-----------------
1990 Nissan 300zx - Castrol Edge Euro 0W-40
2004 Nissan Quest - Pennzoil Platinum Euro 0W-40
2003 Ford Excursion 7.3 PSD - Mobil 1 TDT 5w-40
Re: Under Valve Cover Pic + bonus VQ35DE 162,000 miles [Re: 28oz] #4778911
06/06/18 08:32 AM
06/06/18 08:32 AM
Joined: Oct 2014
Posts: 1,050
SW Ontario Canada
KGMtech Offline
KGMtech  Offline
Joined: Oct 2014
Posts: 1,050
SW Ontario Canada
Impressive! all the more for the valves given lowest price fuel and no routine of injector cleaners. I guess we are brain washed on those products crazy


2017.5 Nissan Rogue SV FWD
2013 Nissan Maxima SV
2009 Ford Flex SEL FWD
1984 Yamaha XJ750RL
Re: Under Valve Cover Pic + bonus VQ35DE 162,000 miles [Re: 28oz] #4778913
06/06/18 08:40 AM
06/06/18 08:40 AM
Joined: Sep 2015
Posts: 6,022
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline
Joined: Sep 2015
Posts: 6,022
Kalifornia Kollective
Looks good smile


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: Under Valve Cover Pic + bonus VQ35DE 162,000 miles [Re: 28oz] #4778915
06/06/18 08:41 AM
06/06/18 08:41 AM
Joined: Sep 2009
Posts: 232
where the wind blows....OK
geekster Offline
geekster  Offline
Joined: Sep 2009
Posts: 232
where the wind blows....OK
That looks really good.


17 Nissan Frontier SV 4.0 Royal Purple 5w30
15 Nissan Rogue 2.5 Royal Purple 5w30
16 KIA Forte 1.8 Royal Purple 5w30
Re: Under Valve Cover Pic + bonus VQ35DE 162,000 miles [Re: 28oz] #4778918
06/06/18 08:46 AM
06/06/18 08:46 AM
Joined: Nov 2008
Posts: 3,230
Oshawa, Ontario Canada
JC1 Offline
JC1  Offline
Joined: Nov 2008
Posts: 3,230
Oshawa, Ontario Canada
Thanks for the pics. A well maintained engine no doubt.


2015 Grand Caravan SXT Plus 5w-20 PPPP/Fram Ultra Filter
1997 Honda Civic CX 5w-30 Shell Conventional/Fram Ultra Filter
Re: Under Valve Cover Pic + bonus VQ35DE 162,000 miles [Re: 28oz] #4778923
06/06/18 08:54 AM
06/06/18 08:54 AM
Joined: Mar 2004
Posts: 20,959
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 20,959
Upstate NY
This engine needs to be flushed with a gallon of pure MMO so it will be so clean you can eat off it!!

Last edited by Donald; 06/06/18 09:03 AM.

2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Under Valve Cover Pic + bonus VQ35DE 162,000 miles [Re: 28oz] #4778926
06/06/18 08:54 AM
06/06/18 08:54 AM
Joined: Nov 2006
Posts: 20,359
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,359
MA, Mittelfranken.de
Looks good for that mileage. My M35X intakes looked worse at 23K running on local garbage gas, my brothers looked perfect at 100K running Shell 93 so yes I suspect long term tier 1 use.
I had both apart looking for the source of high fuel trims. Both had the same issue but his was much more diabolical than mine.

Edit: I am oil change maniac my engine is spotless, my brother couldn't care less his is a varnish and deposit nightmare.

Last edited by Trav; 06/06/18 08:56 AM.

ASE L1, Master. Deutsch Meisterbrief.
Re: Under Valve Cover Pic + bonus VQ35DE 162,000 miles [Re: 28oz] #4778942
06/06/18 09:18 AM
06/06/18 09:18 AM
Joined: Feb 2018
Posts: 509
Chester County/Pa.
BAJA_05 Offline
BAJA_05  Offline
Joined: Feb 2018
Posts: 509
Chester County/Pa.
Looks good for the mileage but just wondering -- does your engine only call for 87 octane then?


2017 VW Jetta SE TSI 1.4L Turbo (hers)
M1 Euro 0W40 & FU (19K)
2008 Acura TL 3.2L PPPP 0W20 & FU (108K)
2005 Subaru Baja AWD 2.5L N/A 5spd.
QSHM 5W30 & FU (96K)
2000 Ram 4X4 5.9L (93K) PYB 10W30 & FU
Re: Under Valve Cover Pic + bonus VQ35DE 162,000 miles [Re: BAJA_05] #4778960
06/06/18 09:38 AM
06/06/18 09:38 AM
Joined: Apr 2017
Posts: 445
Utah, USA
28oz Offline OP
28oz  Offline OP
Joined: Apr 2017
Posts: 445
Utah, USA
Originally Posted By: BAJA_05
Looks good for the mileage but just wondering -- does your engine only call for 87 octane then?


In my area/altitude, regular gas is usually 85 and mid-grade is 87. I pretty much always get the 85.


-----------------
1990 Nissan 300zx - Castrol Edge Euro 0W-40
2004 Nissan Quest - Pennzoil Platinum Euro 0W-40
2003 Ford Excursion 7.3 PSD - Mobil 1 TDT 5w-40
Re: Under Valve Cover Pic + bonus VQ35DE 162,000 miles [Re: 28oz] #4778969
06/06/18 09:48 AM
06/06/18 09:48 AM
Joined: Mar 2008
Posts: 7,187
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 7,187
USA
Looks good thumbsup

Re: Under Valve Cover Pic + bonus VQ35DE 162,000 miles [Re: BAJA_05] #4778981
06/06/18 09:55 AM
06/06/18 09:55 AM
Joined: Apr 2017
Posts: 925
Ohio
hallstevenson Offline
hallstevenson  Offline
Joined: Apr 2017
Posts: 925
Ohio
Originally Posted By: BAJA_05
Looks good for the mileage but just wondering -- does your engine only call for 87 octane then?

I was wondering the same thing. That engine, in other vehicles, the Infiniti G35 for example, "recommends" using 91 octane or "premium" fuel. Maybe they just tune them differently based on the vehicle it is in ? I'm thinking that Nissan isn't going to recommend or require premium fuel in a standard minivan....

Re: Under Valve Cover Pic + bonus VQ35DE 162,000 miles [Re: 28oz] #4779022
06/06/18 10:42 AM
06/06/18 10:42 AM
Joined: Apr 2013
Posts: 2,396
The Northeast
mclasser Offline
mclasser  Offline
Joined: Apr 2013
Posts: 2,396
The Northeast
Looking clean!

My old Infiniti also recommended using 91+. In the beginning, I used 87 but it made the engine slightly ping. I started using premium and the car ran very smooth.


2018 Hyundai Elantra VE -- 5K
2013 Honda Pilot EX-L 4WD -- 57K
2002 Honda Accord EX-L -- 212K

Re: Under Valve Cover Pic + bonus VQ35DE 162,000 miles [Re: 28oz] #4779051
06/06/18 11:08 AM
06/06/18 11:08 AM
Joined: Jun 2012
Posts: 1,742
USA
oldhp Offline
oldhp  Offline
Joined: Jun 2012
Posts: 1,742
USA
Intake valves are clean because of good ol' port injection.


2018 RAM 1500 3.6/8 speed.
2017 Jeep Sahara Unlimited 3.6
"U kan't fixe it......if'n it ain't broke."
Re: Under Valve Cover Pic + bonus VQ35DE 162,000 miles [Re: 28oz] #4779164
06/06/18 01:05 PM
06/06/18 01:05 PM
Joined: Sep 2003
Posts: 1,335
Austin, TX
MaximaGuy Offline
MaximaGuy  Offline
Joined: Sep 2003
Posts: 1,335
Austin, TX
Absolutely perfect, amazing how a syn regime can make the insides look pristine!!


2018 MB GLE350
2011 Lexus ES350
2006 Toyota Highlander 4WD
Re: Under Valve Cover Pic + bonus VQ35DE 162,000 miles [Re: 28oz] #4779339
06/06/18 03:24 PM
06/06/18 03:24 PM
Joined: Jul 2014
Posts: 273
PA
Patrick0525 Offline
Patrick0525  Offline
Joined: Jul 2014
Posts: 273
PA
28oz what oil filter did you normally use?


'14 Toyota Venza 3.5L 70K mi
TGMO 0W-20/Toyota filter (winter)
PP 0W-20/Fram Ultra filter(spring/summer)


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