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#4505809 - 09/02/17 08:58 PM Full Syn High Mileage oil
Bhoppy1216 Offline


Registered: 08/09/17
Posts: 33
Loc: Houston, TX
I just recently bought a 2002 GMC Sierra and knew nothing about what kind of oil was used in the truck. I know the oil was changed every 4-5K, so I am guessing its Dino, especially since its a prior work truck. I did one recent oil change with Super Tech High Mileage since I didnt know the condition of the seals, but decided to change to full syn HM, probably Mobil 1 or Valvoline. My wife drives the truck short distances, and I warm it up when I can, but figured the full syn would be better for her stop and go and short distances.

My question I guess is that I should not have issues making that switch right? I imagine the truck is new enough, and syn oil is advanced enough to not cause issues.

Also, suggestions on what oil to get and what filter to go with it? I figure I cant run Super Tech filters on full syn oil.

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#4505813 - 09/02/17 09:05 PM Re: Full Syn High Mileage oil [Re: Bhoppy1216]
CT8 Offline


Registered: 10/09/14
Posts: 10920
Loc: Idaho
Why would syn be better for your application? I am curious.
_________________________
"Don't let your preconceived notions get in the way of facts."Geoff Metcalf"

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#4505815 - 09/02/17 09:07 PM Re: Full Syn High Mileage oil [Re: Bhoppy1216]
SilverFusion2010 Online   content


Registered: 06/29/11
Posts: 1654
Loc: Crawfordville FL
What oci do you intend to run?
_________________________
2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30

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#4505820 - 09/02/17 09:12 PM Re: Full Syn High Mileage oil [Re: SilverFusion2010]
Bhoppy1216 Offline


Registered: 08/09/17
Posts: 33
Loc: Houston, TX
Originally Posted By: SilverFusion2010
What oci do you intend to run?


I am not sure, probably 5K for the first two or three times like suggested, and then after 10K or 6 months. I will surly reach 6 months before 10K, my wife drives it that little.

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#4505861 - 09/02/17 10:19 PM Re: Full Syn High Mileage oil [Re: Bhoppy1216]
Brybo86 Offline


Registered: 10/08/11
Posts: 2947
Loc: Chicago, IL
Supertech high mileage is fine for 5k OCI.
How recently did you purchase this vehicle?
I'd be worried it was caught in all the flooding.
_________________________
08 Honda Accord EX-L 2.4L M1 EP 0w20 145k
01 Kymco People 50
95 Lexus LS400 M1 AFE 0w30 193k
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#4505865 - 09/02/17 10:25 PM Re: Full Syn High Mileage oil [Re: Brybo86]
Bhoppy1216 Offline


Registered: 08/09/17
Posts: 33
Loc: Houston, TX
Originally Posted By: Brybo86
Supertech high mileage is fine for 5k OCI.
How recently did you purchase this vehicle?
I'd be worried it was caught in all the flooding.


Not to worry I bought it about a month ago in Virginia, right before I got out of the Navy and moved back to Houston. It is perfectly safe from the water.

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#4505945 - 09/03/17 03:22 AM Re: Full Syn High Mileage oil [Re: Bhoppy1216]
Nickdfresh Offline


Registered: 03/15/06
Posts: 5615
Loc: Buffalo, NY
Go to Advance Auto (if they're in Texas) and buy Mobil 1 HM and a Mobil 1 filter for $30, then send in for a $15 rebate...

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#4505959 - 09/03/17 04:49 AM Re: Full Syn High Mileage oil [Re: Bhoppy1216]
SR5 Online   content


Registered: 07/07/15
Posts: 4456
Loc: Down Under
Go Navy !!!

I was just looking at a UOA (used oil analysis) of Super Tech synthetic after 10,000 miles and it did very well.
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Penrite Vantage 10W40 SN & A3/B4 + Wesfil-Cooper Z154

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#4506030 - 09/03/17 08:28 AM Re: Full Syn High Mileage oil [Re: Bhoppy1216]
mrsilv04 Offline


Registered: 12/08/06
Posts: 8262
Loc: Illinois
Short tripping, on top of stretching out the oil change interval, can be a disaster in this engine. Don't ask me how I know.

If your wife will be driving it that little, change it *at least* every 6 months. Not any longer at all. Going with a cheaper oil and changing it every 4 months is a better plan.

It's not so much on what oil you use, but how often you change it.
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2004 Silverado - on its 3rd Jasper engine in less than one year.

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#4506036 - 09/03/17 08:33 AM Re: Full Syn High Mileage oil [Re: Bhoppy1216]
ZZman Offline


Registered: 03/17/08
Posts: 5766
Loc: Michigan
I like the M1 high mileage or the Pennzoil Platinum hm oils. Both reasonable by the jug at Walmart.
_________________________
2003 Mercury Grand Marquis. Rotella T6 Multi-Vehicle oil
2008 Sebring Hardtop convertible. Rotella T6 Multi-Vehicle oil
2006 Kawasaki Vulcan 900 LT. Amsoil Metric 10w-40

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#4506050 - 09/03/17 08:47 AM Re: Full Syn High Mileage oil [Re: Bhoppy1216]
Charlie2015 Offline


Registered: 04/24/15
Posts: 236
Loc: Georgia
Mobil1 and Valvoline are both very good. I have Maxlife Full Synthetic in my Honda, but Mobil1 has the better rebate right now.

If you are going to change every 4-5k, I would probably recommend Maxlife synthetic blend in 5w30, 10w30, or 10w40. For 10k miles, I would lean towards Mobil1 since they actually back their oil for 10k/1year ( Mobil1 Warranty )
_________________________
1998 Honda Accord EX 2.3L Auto
2009 Scion TC Manual

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#4506054 - 09/03/17 08:53 AM Re: Full Syn High Mileage oil [Re: mrsilv04]
bigj_16 Offline


Registered: 07/03/17
Posts: 1267
Loc: Douglas County, Colorado
Originally Posted By: mrsilv04
Short tripping, on top of stretching out the oil change interval, can be a disaster in this engine. Don't ask me how I know.

If your wife will be driving it that little, change it *at least* every 6 months. Not any longer at all. Going with a cheaper oil and changing it every 4 months is a better plan.

It's not so much on what oil you use, but how often you change it.
I am asking you how you know?
And also why you shouldn't speed through Gauley Bridge?

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#4506059 - 09/03/17 09:06 AM Re: Full Syn High Mileage oil [Re: Bhoppy1216]
64bawagon Offline


Registered: 01/10/17
Posts: 167
Loc: Michigan
We ran about 10 of these trucks at work, typically 7500 miles with NAPA 5w30 syn (most of the time) and a Wix or Baldwin filter. They ran them hard with tons of idle time on most, never had an analysis come back bad.
_________________________
05 Duramax Chevy(SOLD), 64 Chevy wagon, 10 Jeep Wrangler, 17 Equinox (rental), 18 Silverado 1/2 ton

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#4506544 - 09/03/17 06:55 PM Re: Full Syn High Mileage oil [Re: Bhoppy1216]
Bhoppy1216 Offline


Registered: 08/09/17
Posts: 33
Loc: Houston, TX
Hmmm I might just stick with the regular High Mileage, Supertech or otherwise, and just change it more frequently.

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#4506554 - 09/03/17 07:00 PM Re: Full Syn High Mileage oil [Re: Bhoppy1216]
SilverFusion2010 Online   content


Registered: 06/29/11
Posts: 1654
Loc: Crawfordville FL
Maxlife 5w-30 synblend

That interval isn't long enough to justify full syn. has dexos1 approval
_________________________
2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30

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