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10k on conventional #4449683
07/04/17 04:56 PM
07/04/17 04:56 PM
Joined: Sep 2004
Posts: 103
South La
passgas55 Offline OP
passgas55  Offline OP
Joined: Sep 2004
Posts: 103
South La
I have a 2007 chevy classic w/t 4.3 v6 going on 195k miles. I always did 10k oil changes. My oil monitor would usually goes off at 11k miles.
I always used a syn or semi in it. I just picked up 10/30 chevron supreme conventional and plan on going 10k miles. I do not see a reason why this should not work. It uses about a quart in 10k miles. Would you?

Re: 10k on conventional [Re: passgas55] #4449688
07/04/17 05:02 PM
07/04/17 05:02 PM
Joined: Jun 2016
Posts: 3,566
MN
oil_film_movies Offline
oil_film_movies  Offline
Joined: Jun 2016
Posts: 3,566
MN
You could. I wouldn't since I almost always go for full synthetics to keep the ringlands clearer.
If doing highway miles mostly, or at least 7 or more miles at a time, you'll be fine doing 10k miles or 1 year, whichever comes first, on that conventional.
Sounds like you are basically following the OLM which is a great thing to do. It will predict OK.
A "Chevy Classic"? I've heard of the Malibu Classic, yet they didn't put the 4.3L V6 in that. Is that a pickup truck?
Edit: They did have a Chevy Classic Silverado in 2007, must be it.

Last edited by oil_film_movies; 07/04/17 05:03 PM.
Re: 10k on conventional [Re: passgas55] #4449689
07/04/17 05:02 PM
07/04/17 05:02 PM
Joined: Jul 2011
Posts: 340
San Diego, CA
Joenpb Offline
Joenpb  Offline
Joined: Jul 2011
Posts: 340
San Diego, CA
If it meets your cars specification you're good to go, if not, I'd pass. Just not worth saving a few cents and possibly having increased wear.

Re: 10k on conventional [Re: passgas55] #4449695
07/04/17 05:11 PM
07/04/17 05:11 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Varnish stains is the instant visual I got after reading the thread title.

Re: 10k on conventional [Re: passgas55] #4449698
07/04/17 05:12 PM
07/04/17 05:12 PM
Joined: Nov 2012
Posts: 234
NorCal
Seventh Offline
Seventh  Offline
Joined: Nov 2012
Posts: 234
NorCal
Although I personally wouldn't have the courage to go that long on conventional oil without uoa, it would probably be fine.

Chevron oils are really good.

Re: 10k on conventional [Re: passgas55] #4449702
07/04/17 05:16 PM
07/04/17 05:16 PM
Joined: Sep 2005
Posts: 5,909
MIchigan
Warstud Offline
Warstud  Offline
Joined: Sep 2005
Posts: 5,909
MIchigan
10K on conventional. Nope. Also my 4.3L was a sludge monster.

Re: 10k on conventional [Re: passgas55] #4449721
07/04/17 05:38 PM
07/04/17 05:38 PM
Joined: Dec 2013
Posts: 2,098
socal
barkingspider Offline
barkingspider  Offline
Joined: Dec 2013
Posts: 2,098
socal
I vote to change Dino at 5k miles


06 Cadillac Escalade Ext
17 Cadillac ATS (wife)
05 Toyota Camry (daughter)
11 GMC Canyon off-road (daily)
Re: 10k on conventional [Re: passgas55] #4449726
07/04/17 05:41 PM
07/04/17 05:41 PM
Joined: Jan 2017
Posts: 632
Melbourne, Florida
RichardS Offline
RichardS  Offline
Joined: Jan 2017
Posts: 632
Melbourne, Florida
10k?! The oil minder on my work truck (a 2006 chevy 2500) doesn't even get past 3 or 4k before going off.

Lots of highway driving and no towing?


2008 Dodge Caliber SE 2.0 117k
4qt Imeditsu 0w-20, 1/2qt Mobil SS 5w-20 Fram HM

2003 Buick Century 107k
4.5q Havoline 5w-30 HM Fram XG
Re: 10k on conventional [Re: passgas55] #4449734
07/04/17 05:47 PM
07/04/17 05:47 PM
Joined: Dec 2013
Posts: 780
Illinois, USA
Triton_330 Offline
Triton_330  Offline
Joined: Dec 2013
Posts: 780
Illinois, USA
Originally Posted By: passgas55
I have a 2007 chevy classic w/t 4.3 v6 going on 195k miles. I always did 10k oil changes. My oil monitor would usually goes off at 11k miles.
I always used a syn or semi in it. I just picked up 10/30 chevron supreme conventional and plan on going 10k miles. I do not see a reason why this should not work. It uses about a quart in 10k miles. Would you?


What oil filter are you planning to use? 10k on Dino is feasible (depending on the engine's notoriety of cleanliness or not) if you use a good oil filter. But I wouldn't do it with a standard tier filter. I'd recommend a synthetic oil filter, like Wix XP, Fram Ultra, STP XL, M1, RP, or Puro Boss. I definitely wouldn't run a standard AC Delco to 10k, regardless of the type of oil.


2001 Ford F-150 XLT 4x4 5.4L V8 ~132k miles
-> PPHM 5w-20 w/Fram Ultra
1989 Chevrolet Camaro RS 5.0L TBI V8 ~48k miles
-> Milesyn SB 5w-30 w/Puro Boss
Re: 10k on conventional [Re: passgas55] #4449737
07/04/17 05:50 PM
07/04/17 05:50 PM
Joined: Oct 2014
Posts: 12,578
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,578
Idaho
A HDEO oil would have the bet change of a long service life.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: 10k on conventional [Re: passgas55] #4449738
07/04/17 05:52 PM
07/04/17 05:52 PM
Joined: Apr 2016
Posts: 1,585
Oregon
1JZ_E46 Offline
1JZ_E46  Offline
Joined: Apr 2016
Posts: 1,585
Oregon
If you're OK with the viscosity doubling by 10k then by all means go for it. Note that viscosity doesn't increase linearly, it increases exponentially with use... picture a relatively linear sloping line with a steep ramp up at the end.

Last edited by 1JZ_E46; 07/04/17 05:55 PM.

2007 X5 4.8i: M1 HM 10W-30
2016 Countryman S: EDGE 0W-30
Re: 10k on conventional [Re: passgas55] #4449739
07/04/17 05:53 PM
07/04/17 05:53 PM
Joined: Sep 2004
Posts: 103
South La
passgas55 Offline OP
passgas55  Offline OP
Joined: Sep 2004
Posts: 103
South La
It is a chevy truck. I do a lot of hwy miles and I do not tow. I drive easy. I went 160k before I needed a brake job.
Any way I think the oil monitor should be cal to dino. I never knew the 4.3 was a sludge monster.

Re: 10k on conventional [Re: passgas55] #4449740
07/04/17 05:54 PM
07/04/17 05:54 PM
Joined: Mar 2008
Posts: 7,328
USA
slacktide_bitog Online content
slacktide_bitog  Online Content
Joined: Mar 2008
Posts: 7,328
USA
The OLM assumes dino, so you can do it with no problems. However, I'd still rather use a synthetic, or at least a dexos-rated syn blend! For OLM cars, I like to use the cheapest syn on sale, which is usually Napa Synthetic (often goes on sale for $3-4/qt)

10 years ago, the current spec was SM. Any modern SN oil will be better than what was available at the time, so you will be fine no matter what, since like I said the OLM assumes SM conventional.

Re: 10k on conventional [Re: Triton_330] #4449752
07/04/17 06:04 PM
07/04/17 06:04 PM
Joined: Sep 2004
Posts: 103
South La
passgas55 Offline OP
passgas55  Offline OP
Joined: Sep 2004
Posts: 103
South La
Originally Posted By: Triton_330
Originally Posted By: passgas55
I have a 2007 chevy classic w/t 4.3 v6 going on 195k miles. I always did 10k oil changes. My oil monitor would usually goes off at 11k miles.
I always used a syn or semi in it. I just picked up 10/30 chevron supreme conventional and plan on going 10k miles. I do not see a reason why this should not work. It uses about a quart in 10k miles. Would you?


What oil filter are you planning to use? 10k on Dino is feasible (depending on the engine's notoriety of cleanliness or not) if you use a good oil filter. But I wouldn't do it with a standard tier filter. I'd recommend a synthetic oil filter, like Wix XP, Fram Ultra, STP XL, M1, RP, or Puro Boss. I definitely wouldn't run a standard AC Delco to 10k, regardless of the type of oil.


I have been using the delco filters. The 52 which is a little longer than the 47. (I think I got my numbers right) Any way I did cut one open and it look okay after 10k miles. I average about 6 months per 10k miles.

Re: 10k on conventional [Re: passgas55] #4449755
07/04/17 06:06 PM
07/04/17 06:06 PM
Joined: Jul 2015
Posts: 3,772
MD
AirgunSavant Offline
AirgunSavant  Offline
Joined: Jul 2015
Posts: 3,772
MD
If you used the same exact oil but used their 5w30 flavor instead you would get semi synthetic
with no extra cost. I have used PYB 5w20 for 8k runs and it did great in a 2L engine.

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