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2018 Silverado 5.3L M1 AFE 0W-20 5,065 #5214651 09/16/19 07:43 PM
Joined: Mar 2010
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K20FA5 Offline OP
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First UOA on my new Silverado. The OLM was at 32%. I think there was some fuel dilution since the viscosity was low. TBN was still really good.

DF1D36AD-E9D3-4D60-9CB2-36D99055F1A7.jpeg

Mine-18 Silverado LT Z71 5.3L
Wife-17 XC90 T6 Inscription Polestar 2.0L twin charged
Kid-19 Sentra 1.8L
Kid-12 Civic 1.8L
Re: 2018 Silverado 5.3L M1 AFE 0W-20 5,065 [Re: K20FA5] #5214670 09/16/19 08:04 PM
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Railrust Online Content
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TBN does look good.

I have the same truck/engine, I usually change the oil at 5,000 miles and there's usually 35% oil life remaining. Right now I'm running Rotella Gas Truck 0w20 with the PF63E filter. I use around 1/2 a quart to 3/4 a quart in 5,000 miles. I do occasionally smell fuel in the oil (I run a catch can).


2018 Chevy Silverado 5.3
2007 Lexus LS460 (deceased)
2008 Honda CRV
(Whatever synthetic oil is on sale or rebate)
Re: 2018 Silverado 5.3L M1 AFE 0W-20 5,065 [Re: K20FA5] #5214673 09/16/19 08:08 PM
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4WD Online Confused
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Looks pretty normal for an L83 with low miles …
Think I might cap my two around 6k if they are thinning the 0w20

Re: 2018 Silverado 5.3L M1 AFE 0W-20 5,065 [Re: K20FA5] #5214908 09/17/19 06:08 AM
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dnewton3 Offline
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The engine is young, so it's too early to tell anything specific. I assume it's only on it's third OFCI ... Break-in is likely still present to some degree.

There is nothing alarming in the UOA. There is something I find unappealing in dumping premium syns in 5k miles ... but to each his own.


The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: 2018 Silverado 5.3L M1 AFE 0W-20 5,065 [Re: K20FA5] #5215054 09/17/19 08:22 AM
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ARCOgraphite Online Content
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How many months on that oil?

Replace one of those quarts with M1 5W30 and go 7K at least.

Dumping way too soon, K20


2019 VW Jetta S 6MT OCI#2 7378mi-MOTUL Specific VW508.00+VW Service Filter; '17 Subaru Crosstrek CVT OC#9 70254mi-Rotella
Gas Truck 5W20 + Fram Ultra 7317 Filter
Re: 2018 Silverado 5.3L M1 AFE 0W-20 5,065 [Re: K20FA5] #5215079 09/17/19 09:00 AM
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Looks good. Like Railrust I'm currently running the Shell RGT 0W20 in mine but with a Bosch 3502 filter. I'm currently at about 38% and 4800 miles, I usually change at 5K but I'm going to run this one to about 6-7K. Mine burned 1/2 quart of the AcDelco 0W20 used in the first dealer change but hasn't used anything since, either the Napa 0W20 or the RGT.

Last edited by Macsignals; 09/17/19 09:02 AM.

-Ian A.
Mine:
2016 GMC Sierra 1500, L83 5.3L V8. Castrol Magnatec 0w20, Bosch 3502 oil filter. Daily driver.
1992 Dodge Dakota, 3.9L V6. Delvac 10W30, Napa Silver filter. Out of service for restore.
Re: 2018 Silverado 5.3L M1 AFE 0W-20 5,065 [Re: Macsignals] #5215473 09/17/19 05:52 PM
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Railrust Online Content
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Originally Posted by Macsignals
Looks good. Like Railrust I'm currently running the Shell RGT 0W20 in mine but with a Bosch 3502 filter. I'm currently at about 38% and 4800 miles, I usually change at 5K but I'm going to run this one to about 6-7K. Mine burned 1/2 quart of the AcDelco 0W20 used in the first dealer change but hasn't used anything since, either the Napa 0W20 or the RGT.


I've used the Napa 0w20 Synthetic in the past on this truck and other cars, seemed fine but I'm not a big fan of the additive pack. It's priced right though, but you just can't beat the price on this RGT, especially with the rebate. I'm paying around $2.25 a quart for the Rotella Gas Truck right now...been doing it all year...going to keep doing it till the rebate runs out at the end of the year. Then I have no idea what will be my go to oil.


2018 Chevy Silverado 5.3
2007 Lexus LS460 (deceased)
2008 Honda CRV
(Whatever synthetic oil is on sale or rebate)
Re: 2018 Silverado 5.3L M1 AFE 0W-20 5,065 [Re: ARCOgraphite] #5215528 09/17/19 07:26 PM
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Originally Posted by ARCOgraphite


How many months on that oil?

Replace one of those quarts with M1 5W30 and go 7K at least.

Dumping way too soon, K20


This oil went in on May 9.

I also didn’t burn any noticeable oil on this run either.

I’m going to run the OLM out this time and check it again in the future. It seems to be fine following it.


Mine-18 Silverado LT Z71 5.3L
Wife-17 XC90 T6 Inscription Polestar 2.0L twin charged
Kid-19 Sentra 1.8L
Kid-12 Civic 1.8L
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