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Oil & Timing Chains #5123383 06/02/19 07:25 PM
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GaryPoe Offline OP
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I know this subject has been beaten to death several times now, and there was even a Pennzoil Q&A on the subject, but i havent read anything about extended drain intervals vs timing chain wear. Is this not a consideration to anyone pushing 10-20k mile oci? Pennzoil and many other oils on the shelf do not reccomend extended drain intervals so it had me thinking perhaps the dispersant additives arent up to the task after 5k miles?

Q&A from Pennzoil:

Q: How much can motor oil really affect the wear on the valve train? Timing chain?

A: For timing chains, in addition to the need for correct wear protection additives and friction modifiers, the oil formulators also watch the dispersants in the oil quite closely. The fear is that without a suitable dispersant, soot and carbon in the oil could collect inside the pins of the chain and create wear or limit movement that would result in the chain’s effective length changing. If the chain’s effective length changes even slightly, it can be sensed by the ECM and create problems.


2014 F150 STX 4x4 Sport, Super Cab 5.0L Coyote, OZ Omega Tuned, Leveled with 35" BFG TKO2, Banks Power Monster exhaust, jlt oil seperator 5w20 PPPP, Motorcraft fl-500-s
Re: Oil & Timing Chains [Re: GaryPoe] #5123402 06/02/19 07:43 PM
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benjy Offline
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motor oil is relatively CHEAP + repairs are $$$$$. its also noted that slightly higher viscosity at running temperatures protect EVERYTHING better.

Re: Oil & Timing Chains [Re: GaryPoe] #5123411 06/02/19 07:50 PM
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bullwinkle Offline
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It's also extremely important to get oil onto the chains & pressurize the tensioner as quickly as possible, that's why Ford changed the modular V8 & V6 oil filter recommendation to silicone ADBVs to keep oil in the galleries after shutdown. I'm still not 100% convinced that (somewhat) thin oil (which generally means synblend or full syn) can't do a good job on timing chains, there's a huge number of high mileage Toyotas (& other makes) still running original timing sets.


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: Oil & Timing Chains [Re: GaryPoe] #5123420 06/02/19 07:57 PM
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supton Offline
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I wonder if it's a problem with dispersants. More like, just total crud floating around. Small or large. Long chains mean lots more points of wear. I guess it wasn't a problem before DI but now with DI being common, maybe it's different--seems hard to believe, diesels don't have that issue.

Regardless. IMO oil is cheap, just change every 5 to 10k. Sleep better at night. If you really want to conserve, drive less.


2011 Toyota Camry, base, 2.5L/6MT, 196k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 155k, ours
1999 Toyota Camry LE, 2.2L/4AT, 217k, his
Re: Oil & Timing Chains [Re: supton] #5123426 06/02/19 08:00 PM
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bbhero Offline
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^^^^^^^^


I agree.... 5k to 10k in GDI turbo boosted motors is a good way to go.


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Napa full synthetic 5w30 Wix 57356 Oil filter
"Treat your family like your friends and treat your friends like your family."
Re: Oil & Timing Chains [Re: GaryPoe] #5123446 06/02/19 08:17 PM
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WyrTwister Offline
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I will agree with benjy , oil / filter is a relitivly cheap insurance & I can not think of any harm being done to the engine , if the oil/filter is changed a little soon .


Wyr
God bless
Re: Oil & Timing Chains [Re: GaryPoe] #5123568 06/02/19 10:43 PM
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double vanos Offline
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Soot contamination in the oil is what gets chains (among other things). TGDI engines have soot issues so I’ve limited my OCIs to 5k or less. My new 3.5 Ecoboost has dual injection; hopefully soot production will be curtailed somewhat. What I have noticed is that my new ‘boost soots the tailpipe way less than my old one. I’ve got nearly 2k miles on the new ‘boost and the tailpipe is still clean. In that many miles the pipe on my old one would look like the La Brea tar pits!
It’s been said that at idle and low power settings it’s port fuel only. Demand for higher power is when the DI kicks in.


Sabine Schmitz is the Queen of the 'Ring; Svetlana Kapanina is the Queen of the SKIES...
Re: Oil & Timing Chains [Re: GaryPoe] #5123586 06/02/19 11:57 PM
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Kamele0N Offline
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If your ecoboost has DPF or TWC instaled....you will never saw any soot in its tailpipe...


2008 Toyota Yaris 1ND-TV 1.4 D4-D Tech9 5W30 C3 VW 504/507
1997 Toyota Landcruiser KZJ95 3.0 TD Elf Evolution NF900 5W40
Re: Oil & Timing Chains [Re: benjy] #5123598 06/03/19 12:38 AM
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OilUzer Offline
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Originally Posted by benjy
motor oil is relatively CHEAP + repairs are $$$$$. its also noted that slightly higher viscosity at running temperatures protect EVERYTHING better.


Once again higher viscosity wins shocked2

Re: Oil & Timing Chains [Re: GaryPoe] #5123662 06/03/19 04:52 AM
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ChrisD46 Offline
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That's why I like the new D1 / Gen 2 ; SN+ synthetic oils for better timing chain protection .


'17 Hyundai Sonata 2.4L GDI 5W20 QSUD / Fram Ultra #9688
'10 Hyundai Elantra 2.0L 5W30 (50%) / 5W20 (50%) QSUD / Fram Ultra #9688
'07 Kia Sedona 3.8L 5W30 Castrol EP / Fram Ultra #9999
Re: Oil & Timing Chains [Re: WyrTwister] #5123666 06/03/19 04:56 AM
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demarpaint Offline
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Originally Posted by WyrTwister
I will agree with benjy , oil / filter is a relitivly cheap insurance & I can not think of any harm being done to the engine , if the oil/filter is changed a little soon .

Add me to the list.


God Bless Our Troops

Re: Oil & Timing Chains [Re: demarpaint] #5123704 06/03/19 05:50 AM
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aquariuscsm Offline
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Originally Posted by demarpaint
Originally Posted by WyrTwister
I will agree with benjy , oil / filter is a relitivly cheap insurance & I can not think of any harm being done to the engine , if the oil/filter is changed a little soon .

Add me to the list.


Ditto here.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
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Quaker State Ultimate Durability 0W20

Re: Oil & Timing Chains [Re: aquariuscsm] #5123730 06/03/19 06:25 AM
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Trav Offline
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Ditto here as well.


ASE L1, Master. Deutsch Meisterbrief.
Re: Oil & Timing Chains [Re: aquariuscsm] #5124400 06/03/19 05:24 PM
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Bullet Offline
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Originally Posted by aquariuscsm
Originally Posted by demarpaint
Originally Posted by WyrTwister
I will agree with benjy , oil / filter is a relitivly cheap insurance & I can not think of any harm being done to the engine , if the oil/filter is changed a little soon .

Add me to the list.


Ditto here.


What is considered a "little soon?"

3000 miles? <5000 miles?

Re: Oil & Timing Chains [Re: Bullet] #5124513 06/03/19 06:57 PM
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Trav Offline
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I go 5K on synthetic and 3K on some engines like the Honda J35 with VCM, or known sludge engines eg Toyota 3.0, VW 1.8 turbo. Saab 2.0 and 2.4 turbo, etc.
The short OCI keeps them clean and going nicely.
Oil is the life blood of the engine why go all elcheapo with it, with engine oil prices in the US there is no reason for trying to squeeze the last mile out of it.

2cents


ASE L1, Master. Deutsch Meisterbrief.
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