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Which Synthetic Oil Do You Use, And Why? #5164785 07/18/19 10:50 PM
Joined: Feb 2003
Posts: 6,510
BlueOvalFitter Offline OP
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Posts: 6,510
Currently I have Havoline HM in my engine, but if I were to use a synthetic oil it would probably be;
1) Pennzoil - Because it's made from natural gas and cleans very well.
2) Castrol - Because it makes an engine run more quiet then most synthetics, IMO.
3) M1 - Because of its reputation, it's been around for awhile.


"One Filter, One OCI!"
2007 F150, 4.2 V6
Havoline HM 5W20, MC FL-400S
"One Box, One OCI!"
Re: Which Synthetic Oil Do You Use, And Why? [Re: BlueOvalFitter] #5164789 07/18/19 10:55 PM
Joined: Apr 2013
Posts: 2,737
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mclasser Offline
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Accord: MaxLife syn b/c it's nearly stopped all seeps/leaks.

Other cars: Whatever syn is on sale.


2018 Hyundai Elantra VE
2013 Honda Pilot EX-L 4WD
2002 Honda Accord EX-L

Re: Which Synthetic Oil Do You Use, And Why? [Re: BlueOvalFitter] #5164791 07/18/19 10:59 PM
Joined: Oct 2002
Posts: 37,801
Q
Quattro Pete Offline
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Posts: 37,801
BMW: Castrol, because it's easy to get and meets the spec
Audi: Castrol, because that's what the dealer uses
Dodge: Castrol, because that's what the dealer uses


2002 530i 2015 Q5 3.0T 2018 Charger SRT
Re: Which Synthetic Oil Do You Use, And Why? [Re: BlueOvalFitter] #5164803 07/18/19 11:07 PM
Joined: Nov 2016
Posts: 954
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burla Offline
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Posts: 954
Redline 5w30 because it kills hemi tick when other oils don't. I would prefer something cheaper, but in this case you get what you pay for.

Re: Which Synthetic Oil Do You Use, And Why? [Re: BlueOvalFitter] #5164808 07/18/19 11:15 PM
Joined: Aug 2004
Posts: 2,435
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double vanos Offline
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Castrol Magnatec, because it seems to work well in Ecoboost engines.


Sabine Schmitz is the Queen of the 'Ring; Svetlana Kapanina is the Queen of the SKIES...
Re: Which Synthetic Oil Do You Use, And Why? [Re: BlueOvalFitter] #5164809 07/18/19 11:15 PM
Joined: Mar 2015
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bbhero Offline
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Amalie full synthetic high mileage 5w30... Aka Carquest High mileage 5w30 or STP full synthetic high mileage 5w30 from AZ...

Funny thing is the under side of both those containers have AOC stamped on them. Exact same oil.

The price is ok enough and my VQ runs very quiet with it. This oil has been very effective in stopping the oil seeping. The combo at AAP puts the oil at $16 for a 5 qt container.


Nissan Altima 3.5 Coupe
Cam2 Dexos1 Gen 2 5w30 Wix 57356 Oil filter
"Treat your family like your friends and treat your friends like your family."
Re: Which Synthetic Oil Do You Use, And Why? [Re: BlueOvalFitter] #5164812 07/18/19 11:17 PM
Joined: May 2019
Posts: 25
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OS4A Offline
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Last OCI I put Castrol Bio Synthetic in both my hybrids...2017 Toyota RAV4 H and 2018 Honda Clarity PHEV. Curiosity finally got the better of me to try out this oil. Price is ridiculously high though. Haven't found much in the way of UOA on this Bio Synthetic so thought I'd give it a try. Will pull sample at 6 months for UOA on both vehicles.

2019 Subaru Impreza 5 door I went with Castrol Edge EP because shooting for one year OCI.

2017 Honda CR-V 1.5 DI Turbo went with Castrol Magnatec due to potential lspi. On sale $18 combined with Bosch 3323 filter for $3.54...why not.


2019 Subaru Impreza 5-door Castrol EP 0w-20 PBL14615 filter
2018 Honda Clarity PHEV Castrol Bio-Synthetic 0w-20 PBL14610 filter
2017 Toyota Rav4 Hybrid Castrol Bio-Synthetic 0w-20 PBL25608 filter
Re: Which Synthetic Oil Do You Use, And Why? [Re: BlueOvalFitter] #5164823 07/18/19 11:46 PM
Joined: Jul 2016
Posts: 224
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JFAllen Offline
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Posts: 224
Helix Ultra. Mostly due to Shell's verticle intergration and use of GTL Base Oil. Of all the big players, they're the only one you can be 100% sure of the base oil used, and where it comes from.

Regards
Jordan

Re: Which Synthetic Oil Do You Use, And Why? [Re: JFAllen] #5164825 07/18/19 11:50 PM
Joined: Jul 2019
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OZHSV Offline
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Originally Posted by JFAllen
Helix Ultra. Mostly due to Shell's verticle intergration and use of GTL Base Oil. Of all the big players, they're the only one you can be 100% sure of the base oil used, and where it comes from.

Regards
Jordan


edited - irrelevant.

Last edited by OZHSV; 07/18/19 11:51 PM.
Re: Which Synthetic Oil Do You Use, And Why? [Re: JFAllen] #5164832 07/19/19 12:36 AM
Joined: May 2019
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Mad_Hatter Offline
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Originally Posted by JFAllen
Helix Ultra. Mostly due to Shell's verticle intergration and use of GTL Base Oil. Of all the big players, they're the only one you can be 100% sure of the base oil used, and where it comes from.

Regards
Jordan

I've read that Chevron is pretty forthcoming with info if ya call them..and I've found their website full of information.

Fwiw, I change @4k'ish so just about any full syn will do for my PI engine. The oil I've used the "most" over the life of the engine has been Supreme 5/30 SB.

Last edited by Mad_Hatter; 07/19/19 12:36 AM.
Re: Which Synthetic Oil Do You Use, And Why? [Re: BlueOvalFitter] #5164836 07/19/19 12:41 AM
Joined: Feb 2014
Posts: 3,333
Marco620 Offline
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Redline 0w20 (2.9HTHS) or 5w20. Winter flow at -76F w/ 0w and 5w for hot summers and a (3.0+ HTHS)
Castrol Magnatec 0w20 (2.75HTHS) back up winter oil with great performance/price or stuck using API spec for warranty.


15' Civic 1.8 i-vtec 262,000 mi Redline 5w20, BP Cvt fluid, Archoil9100
Tornado Chaser/Doberman Whisperer
Son of a Navy Corpsman.


Re: Which Synthetic Oil Do You Use, And Why? [Re: BlueOvalFitter] #5164845 07/19/19 12:59 AM
Joined: Sep 2004
Posts: 1,620
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pitzel Offline
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Esso XD-3 0W-30 (circa 2004, CI-4 standard) formula in one vehicle with a GM LH0 3.1L V6 engine. Haven't changed that for the past ~60k miles / 11 years, but its had the equivalent of an oil change or two in top-up oil mostly due to a minor valve cover leak. I originally selected this oil based on a BiTOG post by user "Olympic" who ran a fleet of railway crew transport vans and was easily achieving 50k mi service with UOA indicating that even longer could have been run. I've posted a few pictures of the internals of the engine over the past number of years, but the oil itself was not changed during such inspections or repairs.

Recently acquired a Honda K24A4 engine, and I just filled it with a mixture of Mobil Delvac Elite 222 0W-30 (the successor to XD-3, but reformulated to CJ-4 standards with lower TBN and lower ZDDP) and Mobil 1 AFE 0W-20. Roughly equal parts. The Honda's automatic transmission also received a drain and fill of Canadian full-synthetic Honda ATF-DW1. I also maintain a K24W that will receive the same next time it comes in. I decided that using the old-spec XD-3 wasn't a good idea because the high ZDDP levels might degrade oxygen sensors and catalytic converters prematurely.

Being in Canada, 0W is a must. And I have 3 5 gallon pails of the Delvac Elite 222 0W-30 HDEO that I got for less than $40 a piece (USD$), so there is absolutely no risk of using any other products.


Change your thinking...not your oil!
Re: Which Synthetic Oil Do You Use, And Why? [Re: BlueOvalFitter] #5164846 07/19/19 01:10 AM
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alcyon Offline
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Shell Helix Ultra 5W40 ,cause its the cheapest API SN ACEA A3/B4 oil syn oil.


Kyosho Optima Mid SWB, LWB and Lazer ZX
1991 Proton Saga 1.3S SOLD
1989 Toyota Soarer GT Twin Turbo L
1985 Kuwahara Survivor
1992 Robinson Pro
Re: Which Synthetic Oil Do You Use, And Why? [Re: BlueOvalFitter] #5164848 07/19/19 01:31 AM
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Silk Offline
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Castrol Edge 5W-30....because it cost me nothing. Penrite, because they over spec everything (true or not, I don't know) and have more viscosity choices than any other brand.


1987 BMW R65 - Penrite VTwin 20-50
2005 Nissan Expert - 5W-30 Castrol Edge
1996 Volvo T5 - Penrite HPR15 - 15W-60. Ryco syntec filter.
Re: Which Synthetic Oil Do You Use, And Why? [Re: BlueOvalFitter] #5164851 07/19/19 01:42 AM
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A_Spruce Offline
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In switching to synth myself, I've had this same question. M1 kinda seems the group favorite from all the reading I've been doing here. Many also say that with today's oil and filter quality, just about any major brand is going to take care of you well.

Still trying to get a pulse on what a good OCI is. I'm all for longer intervals, but what drives this decision, meaning why 5k or 7k or more, why is THAT the number chosen?

Sorry, not trying to jack the thread. crazy grin2


'03 Suburban
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