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#3031417 - 06/12/13 06:03 PM Mobil 1 Vs Royal Purple vs Penzoil Ultra vs Amsoil
lighteningbee Offline


Registered: 06/12/13
Posts: 10
Loc: Chicago IL
who makes the best 0w-40 quality synthetic oil for my 392 hemi engine

Thanks and I apologize if this question has been asked before

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#3031449 - 06/12/13 06:21 PM Re: Mobil 1 Vs Royal Purple vs Penzoil Ultra vs Amsoil [Re: lighteningbee]
aquariuscsm Online   content


Registered: 12/30/06
Posts: 9574
Loc: South Texas,USA
In my experience,Mobil 1 is the best bang for the buck. Royal Purple as long as it's the Synerlec formula is one of the best imo as well. I've never used Amsoil engine oils or Pennzoil Ultra,so I can't comment on those.

Just go to Walmart and get the 0W40 jug and you'll definitely have *one of the best* oils on the market. WM also carries Mopar filters I think.
_________________________
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Syntec 10W40/Fram Ultra
Amsoil MTG(tranny)
Amsoil 80W90 GL5(rear diff)
Mobil 1 ATF
Redline Water Wetter

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#3031450 - 06/12/13 06:22 PM Re: Mobil 1 Vs Royal Purple vs Penzoil Ultra vs Amsoil [Re: lighteningbee]
buster Offline


Registered: 11/16/02
Posts: 29107
Loc: NJ
The best 0w40? Mobil 1.
_________________________
2014 Mazda 3 S GT AT - OE oil
2003 Forester XS 5spd - M1 0w40

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#3031455 - 06/12/13 06:23 PM Re: Mobil 1 Vs Royal Purple vs Penzoil Ultra vs Amsoil [Re: buster]
aquariuscsm Online   content


Registered: 12/30/06
Posts: 9574
Loc: South Texas,USA
Originally Posted By: buster
The best 0w40? Mobil 1.


This. It's a win-win situation.
_________________________
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Syntec 10W40/Fram Ultra
Amsoil MTG(tranny)
Amsoil 80W90 GL5(rear diff)
Mobil 1 ATF
Redline Water Wetter

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#3031458 - 06/12/13 06:26 PM Re: Mobil 1 Vs Royal Purple vs Penzoil Ultra vs Amsoil [Re: lighteningbee]
dave1251 Offline


Registered: 07/15/05
Posts: 6932
Loc: Maricopa, AZ
_________________________
make the inside of your engine oil cap white.
don't use.

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#3031463 - 06/12/13 06:32 PM Re: Mobil 1 Vs Royal Purple vs Penzoil Ultra vs Amsoil [Re: dave1251]
lighteningbee Offline


Registered: 06/12/13
Posts: 10
Loc: Chicago IL
Originally Posted By: dave1251


I apologize for starting another related thread. I am looking for a comparison between these particular oils and i tried asking this in a reply on my other thread but the thread seems to have gotten out of control on an unrelated topic and no one seems to respond to anything i say because they are having an unrelated debate.

again I apologize and thanks for the help,
lightningbee



Edited by lighteningbee (06/12/13 06:33 PM)

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#3031464 - 06/12/13 06:32 PM Re: Mobil 1 Vs Royal Purple vs Penzoil Ultra vs Amsoil [Re: aquariuscsm]
Garak Offline


Registered: 12/05/09
Posts: 11177
Loc: Regina, Saskatchewan, Canada
Originally Posted By: aquariuscsm
Royal Purple as long as it's the Synerlec formula is one of the best imo as well.

I didn't think the RP 0w-40 had the Synerlec, having been SM, unlike the normal API grades at the time with Synerlec, which were SL. I was under the impression that the RP 0w-40 didn't have the Synerlec because of the ACEA specifications it claimed, but I could be mistaken about the reasoning. If I recall, though, the 5w-40 had the Synerlec and still might.

But, to the original question, whichever oil is certified for your application and is simplest and cheapest for you to get will do the job. I have great confidence in XOM, RP, SOPUS, and Amsoil. They all make excellent products. The M1 0w-40, of course, has a pretty impressive list of specifications and certifications.
_________________________
Plain, simple Garak.

2008 Infiniti G37 coupe - Mobil Delvac 1 ESP 5w-40, Hastings LF113
1984 F-150 4.9L six - Quaker State GB 10w-30, Wix 51515

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#3031466 - 06/12/13 06:33 PM Re: Mobil 1 Vs Royal Purple vs Penzoil Ultra vs Amsoil [Re: lighteningbee]
NHHEMI Offline


Registered: 07/06/07
Posts: 5123
Loc: NH
Originally Posted By: lighteningbee
who makes the best 0w-40 quality synthetic oil for my 392 hemi engine

Thanks and I apologize if this question has been asked before


Hasn't this been covered in your other thread?

Any of those oil brands are excellent and will do the job and do it well. It really comes down to opinion between them. My opinion is RP is the best choice. I have run it for decades in many vehicles including MOPAR muscle cars and HEMI Ram trucks with nothing but great results.

Others will say M1 while others will say PU. You won't go wrong with any of them. One thing I can say is there is no best oil. No such thing exists.

FYI however. Amsoil doesn't have a 0W40 for car use. You would have to go with a 5W40 European Formula oil if you ran Amsoil and they don't have any API certified oils in that weight( that I see ).

IMO...

1 - RP ( EDIT - with an RP oil filter )
2 - PU ( Current FF )
3 - M1 ( Previous FF )


Edited by NHHEMI (06/12/13 06:38 PM)
_________________________
Royal Purple User Since 1990 thumbsup

2014 Jeep Cherokee
"Latitude"
3.2L V6 4WD( ADI )


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#3031472 - 06/12/13 06:35 PM Re: Mobil 1 Vs Royal Purple vs Penzoil Ultra vs Amsoil [Re: NHHEMI]
lighteningbee Offline


Registered: 06/12/13
Posts: 10
Loc: Chicago IL
Originally Posted By: NHHEMI
Originally Posted By: lighteningbee
who makes the best 0w-40 quality synthetic oil for my 392 hemi engine

Thanks and I apologize if this question has been asked before


Hasn't this been covered in your other thread?

Any of those oil brands are excellent and will do the job and do it well. It really comes down to opinion between them. My opinion is RP is the best choice. I have run it for decades in many vehicles including MOPAR muscle cars and HEMI Ram trucks with nothing but great results.

Others will say M1 while others will say PU. You won't go wrong with any of them. One thing I can say is there is no best oil. No such thing exists.

FYI however. Amsoil doesn't have a 0W40 for car use. You would have to go with a 5W40 Eurpoean Formula oil if you ran Amsoil and they don't have any API certified oils in that weight( that I see ).

IMO...

1 - RP
2 - PU ( Current FF )
3 - M1 ( Previous FF )

thanks (:

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#3031483 - 06/12/13 06:45 PM Re: Mobil 1 Vs Royal Purple vs Penzoil Ultra vs Amsoil [Re: lighteningbee]
Pablo Offline


Registered: 10/28/02
Posts: 46600
Loc: Duvall WA - Pacific NW USA
Does your owners manual say "Motor oil meeting Chrysler MS-10725 and are approved to MB 229.3 or 229.5"?

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#3031490 - 06/12/13 06:49 PM Re: Mobil 1 Vs Royal Purple vs Penzoil Ultra vs Amsoil [Re: Pablo]
NHHEMI Offline


Registered: 07/06/07
Posts: 5123
Loc: NH
Originally Posted By: Pablo
Does your owners manual say "Motor oil meeting Chrysler MS-10725 and are approved to MB 229.3 or 229.5"?


When I looked in the manual online for his vehicle it just said 0W40 and API certified to SM. I didn't see any Chrsyler oil spec listed/specified.
_________________________
Royal Purple User Since 1990 thumbsup

2014 Jeep Cherokee
"Latitude"
3.2L V6 4WD( ADI )


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#3031504 - 06/12/13 06:56 PM Re: Mobil 1 Vs Royal Purple vs Penzoil Ultra vs Amsoil [Re: lighteningbee]
Clevy Offline


Registered: 11/11/10
Posts: 7097
Loc: Saskatoon canada
Actually I think I encountered this with my hemi. The M1 stated it was recommended for and not meets or exceeds,or some kind of fancy wording where Mobil isn't actually certified for the Chrysler spec.
Regardless I don't believe for 1 second that any Mobil product in the correct grade wouldn't meet the Chrysler spec.
So basically the consumer who got the shaft from the dealer because of oil he would have to prove that the oil was acceptable,it basically gives Chrysler an out,or loophole. Which in my opinion is a very dirty move.
_________________________
2006 Charger RT
Miles x 2 per oil filter

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#3031510 - 06/12/13 07:02 PM Re: Mobil 1 Vs Royal Purple vs Penzoil Ultra vs Amsoil [Re: lighteningbee]
buster Offline


Registered: 11/16/02
Posts: 29107
Loc: NJ
There is no oil that can compete with M1 0w40, especially when you consider Walmart oil prices.
_________________________
2014 Mazda 3 S GT AT - OE oil
2003 Forester XS 5spd - M1 0w40

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#3031511 - 06/12/13 07:03 PM Re: Mobil 1 Vs Royal Purple vs Penzoil Ultra vs Amsoil [Re: buster]
HTSS_TR Offline


Registered: 04/17/06
Posts: 12901
Loc: Irvine, CA
Originally Posted By: buster
The best 0w40? Mobil 1.

I'm not so sure that M1 0W40 is the best, I think for $22.xx 5-qt jug at Walmart everyday it's the best value 0W40 money can buy.
_________________________
'94 LS400
'00 E430
'04 S2000
"Consumerism has accustomed us to waste. But throwing food away is like stealing it from the poor and hungry" Pop Francis

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#3031512 - 06/12/13 07:03 PM Re: Mobil 1 Vs Royal Purple vs Penzoil Ultra vs Amsoil [Re: lighteningbee]
Clevy Offline


Registered: 11/11/10
Posts: 7097
Loc: Saskatoon canada
Oh. As far as m1,rp,amsoil and pu. The euro blend from royal purple still have synerlac,but I don't think meet the API approval(I could be wrong). Amsoils top shelf oil also has no certs but is a fantastic oil,pennzoil ultra would be a fine choice if you can find it and M1 0w-40 has countless certs and is recommended by so many performance auto builders that its tough to beat. And availability and price is pretty good too.
Red line is also a great oil and my personal favorite however again no certifications. So in reality if you want to maintain your warranty your choices are limited.
There are some top notch oils that don't have the certs that I'm sure will perform superbly however do you really want to possibly risk warranty denial based on using an oil that didn't carry the proper certification.
I wouldn't risk it.
I'm not a fan of Mobil whatsoever,in fact I'm a hater but in this case it seems like the obvious choice.
_________________________
2006 Charger RT
Miles x 2 per oil filter

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