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#4686278 - 03/06/18 12:53 PM Can 5w/20 be used in a 17 Silverado 5.3
mtlineman Offline


Registered: 09/15/08
Posts: 34
Loc: Billings Mt
Wondering if I can use 5w/20 Penzoil Ultra instead of 0w/20 without problems in my 17 Silverado 5.3. Ive read that the 5w/20 has better Nowack specs which would help in deposits on valves. Is this worth doing or am I over thinking this. Appreciate the help

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#4686317 - 03/06/18 01:39 PM Re: Can 5w/20 be used in a 17 Silverado 5.3 [Re: mtlineman]
Billy_D Offline


Registered: 06/23/08
Posts: 1021
Loc: midwest
Stick with the 0W20 while the Silverado is under warranty. Warranty concerns aside, the Pennzoil Ultra 5w20 should be fine. How cold does it get in Billings?

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#4686331 - 03/06/18 01:52 PM Re: Can 5w/20 be used in a 17 Silverado 5.3 [Re: mtlineman]
Snagglefoot Offline


Registered: 12/31/17
Posts: 1707
Loc: Alberta
It is a Bitog tradition to not use what the owners manual suggests because we are all smarter than the GM engineers. Keep in mind the engines were redesigned for 2014 to get rid of the problems with the AFM system and the 0W-20 Dexos oil was part of that solution.

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#4686365 - 03/06/18 02:15 PM Re: Can 5w/20 be used in a 17 Silverado 5.3 [Re: mtlineman]
tig1 Offline


Registered: 01/03/09
Posts: 13657
Loc: Illinois
A friend has a 2014 Silverado with 100K and his engine performs great. He changes the oil every 10-15K with M1 0-20.
_________________________
2007 Ford Fusion 227,000 miles
M1 0-20 EP
2017 Ford Fusion 49K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and MC LV
M1 10-30 in all OPE
MC filters


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#4686384 - 03/06/18 02:33 PM Re: Can 5w/20 be used in a 17 Silverado 5.3 [Re: mtlineman]
umungus1122 Online   content


Registered: 02/12/08
Posts: 1058
Loc: PA
Originally Posted By: mtlineman
Wondering if I can use 5w/20 Penzoil Ultra instead of 0w/20 without problems in my 17 Silverado 5.3. Ive read that the 5w/20 has better Nowack specs which would help in deposits on valves. Is this worth doing or am I over thinking this. Appreciate the help

Overthinking it. Both are syn 20 weights. Use the 0 in the winter and 5 in the summer if it makes you feel better.
_________________________
'95 Chevy 1/2t 305 205k -DuraBlend 5w-20, Puro Gold filter
'89 Jeep Comanche 4.0 278k - GC 0w-30, Bosch LongLife filter

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#4686451 - 03/06/18 03:42 PM Re: Can 5w/20 be used in a 17 Silverado 5.3 [Re: mtlineman]
Arctic388 Offline


Registered: 08/15/05
Posts: 335
Loc: Southern Middle Tennesee
if it truly has a lower NOACK there is not difference in using it unless the temps are lower than 0 Fahrenheit. personally would run 0w20 if temps were expected to be below around freezing and 5w20 the rest of the time. although the difference is minimal.
_________________________
2015 Sierra Z71
1999 Malibu
1996 Tahoe 4x4
2015 Seadoo GTI SE 155 Limited
2017 Seadoo GTI SE 130
1998 Yamaha XL760
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2005 Yamaha Grizzly 660
https://www.youtube.com/user/Arctic388/videos

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#4686470 - 03/06/18 04:03 PM Re: Can 5w/20 be used in a 17 Silverado 5.3 [Re: Snagglefoot]
maxdustington Offline


Registered: 01/21/17
Posts: 633
Loc: Toronna
Originally Posted By: Snagglefoot
It is a Bitog tradition to not use what the owners manual suggests because we are all smarter than the GM engineers. Keep in mind the engines were redesigned for 2014 to get rid of the problems with the AFM system and the 0W-20 Dexos oil was part of that solution.


I recommend Edge 0W40!
_________________________
03 Jetta AWP/09A 200k kms
TGMO 0W20 "Legend" & Hella Magnet Filter

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#4686592 - 03/06/18 06:17 PM Re: Can 5w/20 be used in a 17 Silverado 5.3 [Re: mtlineman]
SilverFusion2010 Offline


Registered: 06/29/11
Posts: 1657
Loc: Crawfordville FL
5w-20 is fine.
_________________________
2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30

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#4686632 - 03/06/18 06:43 PM Re: Can 5w/20 be used in a 17 Silverado 5.3 [Re: mtlineman]
benjy Offline


Registered: 08/23/10
Posts: 865
Loc: pa
girlfriends 13 malibu 2.5 was drinking the dexos spec oil 5-20, now very happy om mobil I 10W30 in Pa. 50,xxx miles + no carbon issues YET, she drives slowly + lots of short trips so i am concerned even though its her $$$

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#4686922 - 03/06/18 10:08 PM Re: Can 5w/20 be used in a 17 Silverado 5.3 [Re: Snagglefoot]
OilUzer Offline


Registered: 07/31/17
Posts: 136
Loc: WA
Originally Posted By: Snagglefoot
It is a Bitog tradition to not use what the owners manual suggests ...


lol that's why I joined the club. conspiracy theory ...
this CAFE thing makes everyone suspicious including me smile

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#4687357 - 03/07/18 10:30 AM Re: Can 5w/20 be used in a 17 Silverado 5.3 [Re: mtlineman]
jfairchild327 Offline


Registered: 02/16/17
Posts: 12
Loc: kutztown, pa
I have a 2014 Silverado 5.3 with 100,000 miles. Used pretty hard. I always changed the oil with pennzoil platinum 0w20 at 5,000 miles since new. Since the 1st oil change it always used 1qt in 5,000 miles. At around 90,000 miles it started using 1.5 qts. Then I switched to 5w30 amsoil and the truck uses no oil at all and seems to be quieter and much happier. No scientific data or analysis done, but you can bet I will never go back to 0w20.
_________________________
2001 F250 7.3 powerstroke
1993 F250 7.3 turbo
1983 F250 6.9 483,000 miles and counting

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#4687535 - 03/07/18 01:19 PM Re: Can 5w/20 be used in a 17 Silverado 5.3 [Re: mtlineman]
tojo1968 Offline


Registered: 01/03/14
Posts: 292
Loc: orlando fl
Use SAE 0W-20 viscosity grade for
the 5.3L and 6.2L V8 engines. Use
SAE 5W-30 viscosity grade for the
4.3L V6, and 6.0L V8 engines.


Interesting how the grade jumps..
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2016 Frontier SL Crew Cab

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#4687547 - 03/07/18 01:28 PM Re: Can 5w/20 be used in a 17 Silverado 5.3 [Re: mtlineman]
T4RF Offline


Registered: 01/02/18
Posts: 13
Loc: PNW
I lived outside of Billings on the plains, and I have a photo of the bank thermometer showing -32f in the winter. Thatís without wind chill. So 0W is definitely warranted.

Use 0w-20! Especially if thatís what the truck was specíEd with. Iíd switch to Mobil 1, based on PQIA data showing M1 has substantially better viscosity ratings at -30c than PUP. Heck, even M1 5w-30 has better -30 ratings than most 0w oils. The PP and PuP 0w-20 cold viscosities arenít that great.

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#4687875 - 03/07/18 05:58 PM Re: Can 5w/20 be used in a 17 Silverado 5.3 [Re: mtlineman]
SilverFusion2010 Offline


Registered: 06/29/11
Posts: 1657
Loc: Crawfordville FL
0w-30, 40 would also work
_________________________
2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30

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#4687934 - 03/07/18 06:42 PM Re: Can 5w/20 be used in a 17 Silverado 5.3 [Re: mtlineman]
gonefishing Offline


Registered: 10/28/11
Posts: 353
Loc: ND
Originally Posted By: mtlineman
Wondering if I can use 5w/20 Penzoil Ultra instead of 0w/20 without problems in my 17 Silverado 5.3. Ive read that the 5w/20 has better Nowack specs which would help in deposits on valves. Is this worth doing or am I over thinking this. Appreciate the help


As long as the oil is Dexos1 certified you will be fine.
_________________________
2014 GMC Sierra 1500 SLT All-Terrain 5.3 4x4

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