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#1232682 - 09/09/08 12:43 PM Pennzoil Platinum oil change interval
gnet158 Offline


Registered: 09/09/08
Posts: 92
Loc: CA
Question about oil change intervals. I have a 2008 GMC Sierra 1500 5.3L V8 and will use Pennzoil Platinum with a Wix or Napa gold oil filter starting at the 3,000 mile mark. Given that this is a synthetic Iím guessing I can go at least 6,000 miles before my next oil change. The truck is my daily driver and I drive about 20,000 miles per year. I live in CA so no extreme weather except for the few hot (100+ degrees) and cold (50 degrees) days (I know thatí nothing to our friends in the East)

Dose this sound right?
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2012 Silverado 1500 4x4 Crew cab running Pennzoil Platinum (or sometimes Ultra) & a Wix oil filter since mile 4,102.

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#1232685 - 09/09/08 12:49 PM Re: Pennzoil Platinum oil change interval [Re: gnet158]
Vincent_Vega Offline


Registered: 02/07/08
Posts: 200
Loc: Macon, Ga
I would extend that drain to at least 7500 with the PP and sleep well at night.
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#1232687 - 09/09/08 12:54 PM Re: Pennzoil Platinum oil change interval [Re: Vincent_Vega]
vranasaurus Offline


Registered: 01/14/08
Posts: 63
Loc: Louisville, KY
Go by your OLM. It will adjust the OCI based upon driving conditions.

I have a 2007 2500HD 6.0L, and that is my plan using PP. I have just over 4000 miles and it is at 51% oil life left. I may hit the 1 year mark before it gets to zero at which point I will change it anyway as required by GM.

I doubt GM would put a 100,000 mile warranty on an engine and tell you to change it when the OLM says to if it were going to cause any problems.

I used the OLM on my last truck, 2006 Silverado 1500, and it always got to zero between 5000 and 7000 miles.

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#1232688 - 09/09/08 12:54 PM Re: Pennzoil Platinum oil change interval [Re: Vincent_Vega]
eddiedz Offline


Registered: 09/07/08
Posts: 127
Loc: Saint John, NB
i think its safe to say with any good synthetic oil that you can go a easy 5k or more. i think mobil 1 EP claims "guarantee for 10k miles" ? or something like that..

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#1232713 - 09/09/08 01:27 PM Re: Pennzoil Platinum oil change interval [Re: eddiedz]
gnet158 Offline


Registered: 09/09/08
Posts: 92
Loc: CA
Not up to speed with the acronyms. Please post any others that are used a lot because Iím sure I wonít know those either.

OLM Ė Oil Life Monitor
OCI - ?
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2012 Silverado 1500 4x4 Crew cab running Pennzoil Platinum (or sometimes Ultra) & a Wix oil filter since mile 4,102.

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#1232721 - 09/09/08 01:38 PM Re: Pennzoil Platinum oil change interval [Re: gnet158]
vranasaurus Offline


Registered: 01/14/08
Posts: 63
Loc: Louisville, KY
You are correct on the OLM.

OCI = Oil Change Interval

I know there is a list somewhere on the site of commonly used acronyms.

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#1232762 - 09/09/08 02:42 PM Re: Pennzoil Platinum oil change interval [Re: vranasaurus]
hate2work Offline


Registered: 09/04/08
Posts: 4616
Loc: Western Washington
 Originally Posted By: vranasaurus
You are correct on the OLM.

OCI = Oil Change Interval

I know there is a list somewhere on the site of commonly used acronyms.



Yep, it's under General Board Information on the front page.
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