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#2631830 - 05/20/12 08:10 PM Re: 10,255 miles on amsoil 15/40 = copper @364ppm [Re: JD4440]
JD4440 Offline


Registered: 04/24/10
Posts: 268
Loc: Orlinda, TN
Checked the oil today and it's not even really black. Guess these things really are easy on oil if you don't drag race or sled pull. Neither of those on this change due to me building my house.
_________________________

o6 duramax = Mobil Delvac
o6 Vortec 8.1 = Shell 10w-30
o4 Yukon = PU 5w-30
99 Sonoma= Mobil 5w30HM
2008 Hustler Z = Amsoil ACD

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#2632008 - 05/21/12 04:24 AM Re: 10,255 miles on amsoil 15/40 = copper @364ppm [Re: JD4440]
dnewton3 Offline



Registered: 05/14/07
Posts: 6364
Loc: Indianapolis, IN
Will be very interested to see how the next UOA plays out with "normal" driving.
_________________________
Conventionals vs. Synthetics isn't about which is "better"; it's about which lasts longer, while assuring safe operation, in relation to cost. Any product can be over or under utilized. The same applies to filters.
Make an informed decision; first consider your operating conditions, next determine your maintenance plan, and then pick your lube and filter. Don't do it the other way around ...

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#2676399 - 07/06/12 10:21 PM Re: 10,255 miles on amsoil 15/40 = copper @364ppm [Re: JD4440]
JD4440 Offline


Registered: 04/24/10
Posts: 268
Loc: Orlinda, TN
Any idea what % of oil life the DIC post to change the oil ? I scanned mine today with my V2 and it says 25.5% oil life at 10,600 miles?
Kinda figure I'll go ahead and change/ sample it. just to be safe seeing's how I have $6 a gal in the oil compared to how much this engine cost.
_________________________

o6 duramax = Mobil Delvac
o6 Vortec 8.1 = Shell 10w-30
o4 Yukon = PU 5w-30
99 Sonoma= Mobil 5w30HM
2008 Hustler Z = Amsoil ACD

Top
#2676815 - 07/07/12 01:11 PM Re: 10,255 miles on amsoil 15/40 = copper @364ppm [Re: JD4440]
dnewton3 Offline



Registered: 05/14/07
Posts: 6364
Loc: Indianapolis, IN
I am not sure, because I don't have DIC controls, but I recall seeing a notice on mine at 10%.
But, with the GM OLM, is there both a warning and a "do it now" post?
My Fusion has a "warning" at 10% ("change oil soon") and then also a do-it-now-dummy notice at 1% ("change oil now").


With you OLM at 25% at 10.6k miles, I'd say that's pretty impressive. That would reasonably indicate that 14k miles is doable in your current operational pattern.


Do you have any way to sample without changing oil? Either a Fumoto valve or a hand tube-pump?
Understandably, at some point, it's just cheaper to OCI than to worry about it. But with your OLM at 25% left, I would think you're safe.


Edited by dnewton3 (07/07/12 01:15 PM)
_________________________
Conventionals vs. Synthetics isn't about which is "better"; it's about which lasts longer, while assuring safe operation, in relation to cost. Any product can be over or under utilized. The same applies to filters.
Make an informed decision; first consider your operating conditions, next determine your maintenance plan, and then pick your lube and filter. Don't do it the other way around ...

Top
#2677317 - 07/07/12 09:08 PM Re: 10,255 miles on amsoil 15/40 = copper @364ppm [Re: JD4440]
JD4440 Offline


Registered: 04/24/10
Posts: 268
Loc: Orlinda, TN
I do have a fumoto valve. I guess if I 'could' get 3k -3500k more out of this oil sampling w/o an OCI would be the ticket.
_________________________

o6 duramax = Mobil Delvac
o6 Vortec 8.1 = Shell 10w-30
o4 Yukon = PU 5w-30
99 Sonoma= Mobil 5w30HM
2008 Hustler Z = Amsoil ACD

Top
#2678302 - 07/08/12 08:42 PM Re: 10,255 miles on amsoil 15/40 = copper @364ppm [Re: JD4440]
dnewton3 Offline



Registered: 05/14/07
Posts: 6364
Loc: Indianapolis, IN
Well - it's pretty cheap to OCI a Dmax.

But at some point, we toss aside the worry of the money on a UOA, because we're after the facts and data, right? I often am amused at guys that are willing to OCI with synthetics at OEM intervals, and act as if money is no object, but then they scoff at UOAs that show them they can go MUCH further. (I'm not picking on you personally; it's an observation of some habits some folks get into). As you know from over at DP, some folks will dump syns at 5-7k miles because it's "cheap insurance", but then ignore the UOA data they pay for ... Go figure .... I mean you no personal offense; I'm poking at the masses here.


Why not use the Fumoto, get the UOA, and see how accurate the OLM really is? Take a "live" sample with the engine warmed up and running; it's easy with the Fumoto. You won't loose enough volume that a top off would be necessary. Here's how I do it:
1) with a cold engine, clean off road dirt from valve
2) start engine and drive around until warm
3) park and leave running
4) grab tools and bottle
5) one last cursory wipe of valve
6) use pliers to remove spring (if you have one) and then open valve for collection
7) close valve


Edited by dnewton3 (07/09/12 04:40 AM)
_________________________
Conventionals vs. Synthetics isn't about which is "better"; it's about which lasts longer, while assuring safe operation, in relation to cost. Any product can be over or under utilized. The same applies to filters.
Make an informed decision; first consider your operating conditions, next determine your maintenance plan, and then pick your lube and filter. Don't do it the other way around ...

Top
#2680333 - 07/10/12 10:25 PM Re: 10,255 miles on amsoil 15/40 = copper @364ppm [Re: dnewton3]
JD4440 Offline


Registered: 04/24/10
Posts: 268
Loc: Orlinda, TN
Originally Posted By: dnewton3
Well - it's pretty cheap to OCI a Dmax.

But at some point, we toss aside the worry of the money on a UOA, because we're after the facts and data, right? I often am amused at guys that are willing to OCI with synthetics at OEM intervals, and act as if money is no object, but then they scoff at UOAs that show them they can go MUCH further. (I'm not picking on you personally; it's an observation of some habits some folks get into). As you know from over at DP, some folks will dump syns at 5-7k miles because it's "cheap insurance", but then ignore the UOA data they pay for ... Go figure .... I mean you no personal offense; I'm poking at the masses here.


Why not use the Fumoto, get the UOA, and see how accurate the OLM really is? Take a "live" sample with the engine warmed up and running; it's easy with the Fumoto. You won't loose enough volume that a top off would be necessary. Here's how I do it:
1) with a cold engine, clean off road dirt from valve
2) start engine and drive around until warm
3) park and leave running
4) grab tools and bottle
5) one last cursory wipe of valve
6) use pliers to remove spring (if you have one) and then open valve for collection
7) close valve

No personal offense taken, I'm in this to learn so I can pass on my findings to others. The way you described is how I get my samples I just usually do it when it prompts the change. The samples always indicate "suitable for continued use". Hopefully Blackstone provides me with some useful information this time, before the truck prompts me to change it.
_________________________

o6 duramax = Mobil Delvac
o6 Vortec 8.1 = Shell 10w-30
o4 Yukon = PU 5w-30
99 Sonoma= Mobil 5w30HM
2008 Hustler Z = Amsoil ACD

Top
#2712240 - 08/12/12 07:32 AM Re: 10,255 miles on amsoil 15/40 = copper @364ppm [Re: JD4440]
JD4440 Offline


Registered: 04/24/10
Posts: 268
Loc: Orlinda, TN
11,500 now and at 16.5%
_________________________

o6 duramax = Mobil Delvac
o6 Vortec 8.1 = Shell 10w-30
o4 Yukon = PU 5w-30
99 Sonoma= Mobil 5w30HM
2008 Hustler Z = Amsoil ACD

Top
#2712417 - 08/12/12 11:17 AM Re: 10,255 miles on amsoil 15/40 = copper @364ppm [Re: JD4440]
dnewton3 Offline



Registered: 05/14/07
Posts: 6364
Loc: Indianapolis, IN
Very intersting. Possible that you could see 13k or more on the OLM OCI?

I'm staying tuned in to see the OLM final number, and then the UOA results!


Edited by dnewton3 (08/12/12 11:17 AM)
_________________________
Conventionals vs. Synthetics isn't about which is "better"; it's about which lasts longer, while assuring safe operation, in relation to cost. Any product can be over or under utilized. The same applies to filters.
Make an informed decision; first consider your operating conditions, next determine your maintenance plan, and then pick your lube and filter. Don't do it the other way around ...

Top
#2730218 - 08/30/12 10:56 PM Re: 10,255 miles on amsoil 15/40 = copper @364ppm [Re: JD4440]
JD4440 Offline


Registered: 04/24/10
Posts: 268
Loc: Orlinda, TN
Changed @ 11,754 . I'll see if dnewton can post the report for me. I believe the OLM said 11 %


Edited by JD4440 (08/30/12 10:59 PM)
_________________________

o6 duramax = Mobil Delvac
o6 Vortec 8.1 = Shell 10w-30
o4 Yukon = PU 5w-30
99 Sonoma= Mobil 5w30HM
2008 Hustler Z = Amsoil ACD

Top
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