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Dino every 5k or syn every 7.5k? (consumer math!) #4535556
10/06/17 03:19 PM
10/06/17 03:19 PM
Joined: Oct 2015
Posts: 446
MN
TmanP Offline OP
TmanP  Offline OP
Joined: Oct 2015
Posts: 446
MN
Just a question for discussion... curious to hear different perspectives.

If you do the math based on Walmart oil prices, a dino oil change and decent filter comes to $18-20.
A syn oil change and filter comes to $26-30. Rebates and sales do exist, but I've assumed off the shelf prices.

Example:
MS5k for $14.44, and a filter (ACDelco for my application) for $4.29= $18.73. If you run this combination for 5,000 miles, it comes out to .37 cents per mile.

PP for $22.97 and a filter for $4.29 = $27.26. This oil must be run for 7,502 miles to break even (at that same cost of .37 cents per mile).

Although they each could likely be extended further, assume no UOA is done. Which would you choose?
(Let's say a mixture of city and highway driving).


2012 Toyota Camry 2.5 30,000 mi
2015 Chevy Silverado LT Z71 5.3 V8 30,000 mi
2010 Toyota Sienna 3.5 V6 150,000 mi
Re: Dino every 5k or syn every 7.5k? (consumer math!) [Re: TmanP] #4535566
10/06/17 03:23 PM
10/06/17 03:23 PM
Joined: Oct 2009
Posts: 3,520
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline
Joined: Oct 2009
Posts: 3,520
Wet side WA
If you can't find quality Full Synthetic for under 20.25 you're not shopping.


2004 Corolla 126813
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74478
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 73705 4-22-18
Re: Dino every 5k or syn every 7.5k? (consumer math!) [Re: TmanP] #4535567
10/06/17 03:24 PM
10/06/17 03:24 PM
Joined: Aug 2016
Posts: 661
New Jersey
THafeez Offline
THafeez  Offline
Joined: Aug 2016
Posts: 661
New Jersey
Synthetic all the way. Better add pack over those 7.5k miles. Though because of fuel dilution in my application and being a certified BITOG hoarder, I can dump syn at 5k and still be ahead. Filters I'll run for 10k if its a fram ultra, M1, RP etc...


2004 Toyota Solara SE 2.4 2AZFE
182,000 miles
Castrol Magnatec Semi-Syn 5W30
Royal Purple 20-400 oversize 2nd run
Re: Dino every 5k or syn every 7.5k? (consumer math!) [Re: TmanP] #4535570
10/06/17 03:32 PM
10/06/17 03:32 PM
Joined: Mar 2008
Posts: 7,340
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 7,340
USA
For the cars in your sig, the Sienna can probably do 10k on any synthetic, even store brand smile

Your other two cars are pre-dexos GM cars, so they can handle whatever OCI is suggested by the OLM, and they can do it on dino smile

Re: Dino every 5k or syn every 7.5k? (consumer math!) [Re: TmanP] #4535571
10/06/17 03:32 PM
10/06/17 03:32 PM
Joined: Aug 2011
Posts: 66
texas
kpatter Offline
kpatter  Offline
Joined: Aug 2011
Posts: 66
texas
I got a 5 Qt jug of QSUD for 17.45 at advance auto yesterday.

Re: Dino every 5k or syn every 7.5k? (consumer math!) [Re: TmanP] #4535578
10/06/17 03:41 PM
10/06/17 03:41 PM
Joined: Feb 2008
Posts: 4,727
Texas
FZ1 Offline
FZ1  Offline
Joined: Feb 2008
Posts: 4,727
Texas
Buy the syn at WM and change it every 5,000. No Uoa. Ymmv

Re: Dino every 5k or syn every 7.5k? (consumer math!) [Re: FZ1] #4535589
10/06/17 03:55 PM
10/06/17 03:55 PM
Joined: Oct 2009
Posts: 3,520
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline
Joined: Oct 2009
Posts: 3,520
Wet side WA
Originally Posted By: FZ1
Buy the syn at WM and change it every 5,000. No Uoa. Ymmv


Honestly this just makes too much sense!


2004 Corolla 126813
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74478
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 73705 4-22-18
Re: Dino every 5k or syn every 7.5k? (consumer math!) [Re: TmanP] #4535593
10/06/17 03:59 PM
10/06/17 03:59 PM
Joined: Oct 2005
Posts: 7,094
Colorado
Kuato Offline
Kuato  Offline
Joined: Oct 2005
Posts: 7,094
Colorado
popcorn

How about VWB for 7500.


Thick vs Thin test: 15k / 43k miles complete
Re: Dino every 5k or syn every 7.5k? (consumer math!) [Re: TmanP] #4535594
10/06/17 04:02 PM
10/06/17 04:02 PM
Joined: Jun 2015
Posts: 4,438
New England
Virtus_Probi Offline
Virtus_Probi  Offline
Joined: Jun 2015
Posts: 4,438
New England
Subaru recommends synth for my engine, so it gets synth.


2014 Forester XT, 90000 miles
Last Change;
M1 5W30 d1G2
Tokyo Roki 15208AA170 filter
Re: Dino every 5k or syn every 7.5k? (consumer math!) [Re: JohnnyJohnson] #4535599
10/06/17 04:12 PM
10/06/17 04:12 PM
Joined: Jun 2010
Posts: 591
Florida
Dumc87 Offline
Dumc87  Offline
Joined: Jun 2010
Posts: 591
Florida
Originally Posted By: JohnnyJohnson
If you can't find quality Full Synthetic for under 20.25 you're not shopping.


Not arguing there are deals to be had, but I'm not averse paying $26 for Castrol Edge HM 5w20. Did very well in my Matrix.

OTOH, I am refraining from buying too much QSUD from Advance... $9 for 5qt of a full syn is hard to pass up!


'90 Z32 - PP HM 10w30
'98 ZJ - PYB HM 10w40
'02 G20 - QS UD 5w30
'09 Matrix - QS UD 0w20
Re: Dino every 5k or syn every 7.5k? (consumer math!) [Re: TmanP] #4535600
10/06/17 04:14 PM
10/06/17 04:14 PM
Joined: Nov 2016
Posts: 1,283
WI
HoosierJeeper Offline
HoosierJeeper  Offline
Joined: Nov 2016
Posts: 1,283
WI
I'm thinking through the same thing for my '15 Cherokee. 5k on dino or follow the OLM with synthetic (OLM is programmed for dino, but I don't want to go 7-8k on dino). Using a Mopar filter either way. I'd save about 6 cents a mile if I do 8k on synthetic assuming I can get 6 quarts for $30 or less.


15 Jeep KL Limited V6: Formula Shell 5W20
07 LR3 SE V8: Maxlife 5W30
05 Jeep KJ Limited: PHM 5W30
96 Jeep XJ Country: STP HM 5W30 (winter)
Re: Dino every 5k or syn every 7.5k? (consumer math!) [Re: TmanP] #4535606
10/06/17 04:22 PM
10/06/17 04:22 PM
Joined: Dec 2008
Posts: 2,407
CA
raytseng Offline
raytseng  Offline
Joined: Dec 2008
Posts: 2,407
CA
the costs of the materials is inconsequential to the labor costs.

the only way it works out and is justifiable is if you recategoize oil changes as recreational and you would pay to change oil for fun.

Re: Dino every 5k or syn every 7.5k? (consumer math!) [Re: THafeez] #4535610
10/06/17 04:29 PM
10/06/17 04:29 PM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline
Joined: Jan 2017
Posts: 1,139
USA
Originally Posted By: THafeez
Synthetic all the way. Better add pack over those 7.5k miles. Though because of fuel dilution in my application and being a certified BITOG hoarder, I can dump syn at 5k and still be ahead. Filters I'll run for 10k if its a fram ultra, M1, RP etc...


Congratulations.

Acceptance is the first step to recovery.

Although I am surprised at keeping filters for two OCI. I would never consoder doing that except on my motorcycles.


Multiple Diesel and Gasoline vehicles
Re: Dino every 5k or syn every 7.5k? (consumer math!) [Re: TmanP] #4535613
10/06/17 04:33 PM
10/06/17 04:33 PM
Joined: May 2015
Posts: 298
So. Calif.
turnbowm Offline
turnbowm  Offline
Joined: May 2015
Posts: 298
So. Calif.
I was doing 5Kmi OCIs with conventional oil, but decided to do extended (7.%Kmi) changes with synthetic. The less time I spend under a car the better.


2015 Kia Optima EX 2.4L GDI
2015 Chevy Volt
Re: Dino every 5k or syn every 7.5k? (consumer math!) [Re: TmanP] #4535629
10/06/17 04:55 PM
10/06/17 04:55 PM
Joined: Sep 2002
Posts: 2,385
VA
Gebo Offline
Gebo  Offline
Joined: Sep 2002
Posts: 2,385
VA
Something is wrong with me. I love changing oil as much as I like having sex. And I really like having sex with my wife.


'98 LEX LS400 280K
'00 LEX GS300 195K
'02 4Runner 225K
'05 Lex LS430 85K
'06 Toyota Highlander 145K
'09 Lex IS350 85K
'07 Lex GX470 60K
Amsoil in all engines, transmissions and differentials

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