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Moving up to 5w30. How thick is too thick? #5445791 06/03/20 11:15 PM
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BTLew81 Offline OP
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In my accord 2.0t I just can’t run the recommended 0w20....just can’t.

I’ve used magnatec and edge 5w30. No issues. Mpg is good. I’ve considered QSUD due to the quality at the price point, as well as it always working well for me. But I know it’s on the thick side for a 5w30. Is this really an issue for my vehicle? Maybe a dumb question, but I had to ask.

Keep in mind this is a fuel diluting/shearing machine. Thanks.


2018 Honda Accord Sport 2.0T/10 Speed
Modern Steel Metallic/Black
Factory Fill/Filter
Re: Moving up to 5w30. How thick is too thick? [Re: BTLew81] #5445792 06/03/20 11:25 PM
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CPA1989 Offline
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I have the Honda Civic with the 1.5T, and my understanding that 5W-30 is unnecessary for the 1.5T unless you are running ethanol, have a tune and/or bolt-ons which have increased HP more than 50% over stock, or are regularly tracking the car. I would assume the same rules apply to the 2.0T.

I don’t think 5W-30 will hurt your engine, but you’re probably going to lose fuel efficiency. Just one man’s thoughts.


2020 Honda Civic Hatchback Sport 1.5T
2017 Ford Escape Titanium 1.5T
Re: Moving up to 5w30. How thick is too thick? [Re: BTLew81] #5445794 06/03/20 11:36 PM
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parshisa Offline
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1.5T Civic here. Been on 5w30 for almost 3yrs now. Magnatec latest fill. Car as well as the owner see no difference. 30 weight for the win


'17 Honda Civic 1.5T/ 6MT
'16 Honda Pilot 3.5NA/6AT
Re: Moving up to 5w30. How thick is too thick? [Re: BTLew81] #5445795 06/03/20 11:41 PM
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BTLew81 Offline OP
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Magnatec did seem to be quiet. The price is nice too.


2018 Honda Accord Sport 2.0T/10 Speed
Modern Steel Metallic/Black
Factory Fill/Filter
Re: Moving up to 5w30. How thick is too thick? [Re: BTLew81] #5445797 06/03/20 11:46 PM
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edyvw Offline
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In Europe Civic Type-R comes with 2.0 engine, other than that, 1.5T is go to gas engine.
All are recommended for ACEA C3 5W30 oils, or very heavy, almost 5W40 oils. So, basically you can run with no issue much heavier oils than ILSAC-GF5 like Mobil1 5W30 EP etc.
Now, compared to W20 oils since it is turbo you might not notice mpg difference, but you might experience feeling that turbo needs bit more time to spool.
Considering that Honda DI engines are fuel diluting monsters, I would go Euro route, if out of warranty something like Castrol 0W40 or Mobil1 0W40.

Last edited by edyvw; 06/03/20 11:49 PM.

11' BMW 328i xDrive 6MT (Pennzoil Platinum Euro 5W40+ MANN filter)
11' VW Tiguan 2.0T (Castrol 0W30+OE filter)
15' Toyota Sienna AWD (Mobil1 5W30 EP+OE filter).
Re: Moving up to 5w30. How thick is too thick? [Re: BTLew81] #5445804 06/04/20 12:15 AM
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BTLew81 Offline OP
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Thanks all. I’ll probably stick with magnatec or edge 5w30. For now. Lol


2018 Honda Accord Sport 2.0T/10 Speed
Modern Steel Metallic/Black
Factory Fill/Filter
Re: Moving up to 5w30. How thick is too thick? [Re: BTLew81] #5445805 06/04/20 12:18 AM
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edyvw Offline
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Edge is step up from Magnatec, though I would go with Mobil1 5W30 EP if you going with ILSAC GF5 or GF6 oils.


11' BMW 328i xDrive 6MT (Pennzoil Platinum Euro 5W40+ MANN filter)
11' VW Tiguan 2.0T (Castrol 0W30+OE filter)
15' Toyota Sienna AWD (Mobil1 5W30 EP+OE filter).
Re: Moving up to 5w30. How thick is too thick? [Re: edyvw] #5445813 06/04/20 01:40 AM
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dave1251 Offline
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Originally Posted by edyvw
In Europe Civic Type-R comes with 2.0 engine, other than that, 1.5T is go to gas engine.
All are recommended for ACEA C3 5W30 oils, or very heavy, almost 5W40 oils. So, basically you can run with no issue much heavier oils than ILSAC-GF5 like Mobil1 5W30 EP etc.
Now, compared to W20 oils since it is turbo you might not notice mpg difference, but you might experience feeling that turbo needs bit more time to spool.
Considering that Honda DI engines are fuel diluting monsters, I would go Euro route, if out of warranty something like Castrol 0W40 or Mobil1 0W40.


The ACEA C3 oils didn't help with 1.5T in Europe or in China did it? Another example of "fixing' a design or manufacturing flaw with motor oil is not a solution.


make the inside of your engine oil cap white.
don't use.
Re: Moving up to 5w30. How thick is too thick? [Re: BTLew81] #5445814 06/04/20 01:41 AM
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ZeeOSix Offline
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Originally Posted by BTLew81
In my accord 2.0t I just can’t run the recommended 0w20....just can’t.

I’ve used magnatec and edge 5w30. No issues. Mpg is good. I’ve considered QSUD due to the quality at the price point, as well as it always working well for me. But I know it’s on the thick side for a 5w30. Is this really an issue for my vehicle? Maybe a dumb question, but I had to ask.

Keep in mind this is a fuel diluting/shearing machine. Thanks.


Any 5W-30 will work fine ... even if it's on the "thicker" side of a 30 weight.

Re: Moving up to 5w30. How thick is too thick? [Re: ZeeOSix] #5445843 06/04/20 05:04 AM
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demarpaint Offline
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Originally Posted by ZeeOSix
Any 5W-30 will work fine ... even if it's on the "thicker" side of a 30 weight.

+1


God Bless Our Troops

Re: Moving up to 5w30. How thick is too thick? [Re: BTLew81] #5445851 06/04/20 05:38 AM
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Honda has been specifying 0w20 in North America for 10 years now, but use what ever you want. laugh


If you want the job done right......do it yourself.
Re: Moving up to 5w30. How thick is too thick? [Re: BTLew81] #5445859 06/04/20 06:16 AM
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Originally Posted by BTLew81
In my accord 2.0t I just can’t run the recommended 0w20....just can’t.

I’ve used magnatec and edge 5w30. No issues. Mpg is good. I’ve considered QSUD due to the quality at the price point, as well as it always working well for me. But I know it’s on the thick side for a 5w30. Is this really an issue for my vehicle? Maybe a dumb question, but I had to ask.

Keep in mind this is a fuel diluting/shearing machine. Thanks.

Your fuel diluting machine would appreciate 11 [email protected] Quaker State or Rotella T6 Gas & Truck 5w30. It works for Illinois, even in mid-winter


Anti-Bitoger Member-Rants Crusader
Spiritual Intuitive Whisperer-Medium (Involuntary Non-Profit)
Valvoline ME, Mobil-1 EP & Pennzoil Ultra Platinum currently
Amsoil & Schaeffer Oils next-up






Re: Moving up to 5w30. How thick is too thick? [Re: BTLew81] #5445882 06/04/20 07:08 AM
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benjy Offline
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quaker state ultimate durability 5-30 in winter + 10-30 in summer. good fake synthetic at a great price IMO. mpg loss is a myth as its minimal at best. the xtra cushion is a good thing for thing for sure

Re: Moving up to 5w30. How thick is too thick? [Re: BTLew81] #5445889 06/04/20 07:11 AM
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Bryanccfshr Offline
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I doubt you realize any fuel efficiency difference between a 0w20 and a 5w30. I have been running 5 w30 10w30 and 0w40 in my Toyota’s since new without any loss.but they are heavy trucks so viscous drag is a gnat on a horses but in relative terms.


2018 Trd Pro 4Runner
2018 Tacoma off-road

Dealer 0w20 to M1 0w40 FS -it depends
Re: Moving up to 5w30. How thick is too thick? [Re: BTLew81] #5445896 06/04/20 07:21 AM
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MacManus99 Offline
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I like the idea of running a 30 or even 40 in the turbo Hondas myself.

What OCI do you plan to run? If it were me, I would start with QSUD 5w30, and send it out for analysis after the interval.


2016 Chevrolet 2500 - 6.0L
2013 Scion FR-S - 2.0L
2012 Ford Escape - 3.0L
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