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0w-40 year round in Canada? #4559384
10/30/17 03:49 PM
10/30/17 03:49 PM
Joined: Jan 2007
Posts: 450
LBP
Mr_Accord Offline OP
Mr_Accord  Offline OP

Joined: Jan 2007
Posts: 450
LBP
I have a Vw golf with the 1.8T that I use as a work vehicle. I do enough mileage that I can change the oil twice a year. I usually time it so its in the springtime and in the fall. During the summer i've been putting 5w-40 Castrol, and in the Winter time Mobil1 0w-40. I'm just wondering if 0w-40 would alright year round during the summer months. I've always looked at 0w-40 for its good cold starting properties but not sure how well it holds up in the summer?

Thanks


1990 VW Jetta GL 1.8L 8V - SOLD
1992 Honda Accord Lx - SOLD frown
1993 Ford Aerostar XL 4L V6 - Retired RIP
2004 SAAB 9-3 ARC 2.0T - Current
Re: 0w-40 year round in Canada? [Re: Mr_Accord] #4559388
10/30/17 04:01 PM
10/30/17 04:01 PM
Joined: Oct 2002
Posts: 37,063
Great Lakes
Quattro Pete Offline
Quattro Pete  Offline

Joined: Oct 2002
Posts: 37,063
Great Lakes
Absolutely.


'02 530i (Edge 0W-40)
'15 Q5 3.0T (Edge 5W-40)
'18 Charger SRT (PUP 0W-40 SRT)
Re: 0w-40 year round in Canada? [Re: Mr_Accord] #4559398
10/30/17 04:10 PM
10/30/17 04:10 PM
Joined: Apr 2017
Posts: 1,522
Ontario, Canada
mightymousetech Offline
mightymousetech  Offline

Joined: Apr 2017
Posts: 1,522
Ontario, Canada
They are both a 40 weight when hot, why would you switch?

Even better choice would be the Castrol 0W40.

Last edited by mightymousetech; 10/30/17 04:11 PM.

Mighty Mouse Tech
BMW Tech, Former Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL
Re: 0w-40 year round in Canada? [Re: Mr_Accord] #4559400
10/30/17 04:11 PM
10/30/17 04:11 PM
Joined: Mar 2011
Posts: 2,206
Indiana
Indydriver Offline
Indydriver  Offline

Joined: Mar 2011
Posts: 2,206
Indiana
Id be more concerned about 0W-40 startup in severe cold. What does VW spec?


2014 Camaro 2SS/RS LS3 Vert 14,000 M1
2012 Sienna 85,000 M1
2007 Tahoe 155,000 M1

Re: 0w-40 year round in Canada? [Re: Mr_Accord] #4559406
10/30/17 04:14 PM
10/30/17 04:14 PM
Joined: Dec 2011
Posts: 5,679
North Carolina
rooflessVW Offline
rooflessVW  Offline

Joined: Dec 2011
Posts: 5,679
North Carolina
I'd use Mobil or Castrol (my preference) 0W-40 year round in almost anything, almost anywhere.


"Zed's dead baby, Zed's dead."
Re: 0w-40 year round in Canada? [Re: Indydriver] #4559409
10/30/17 04:16 PM
10/30/17 04:16 PM
Joined: Oct 2002
Posts: 37,063
Great Lakes
Quattro Pete Offline
Quattro Pete  Offline

Joined: Oct 2002
Posts: 37,063
Great Lakes
Originally Posted By: Indydriver
Id be more concerned about 0W-40 startup in severe cold. What does VW spec?

VW calls for a VW 502.00 spec, which this Castrol 0w-40 meets.


'02 530i (Edge 0W-40)
'15 Q5 3.0T (Edge 5W-40)
'18 Charger SRT (PUP 0W-40 SRT)
Re: 0w-40 year round in Canada? [Re: Indydriver] #4559410
10/30/17 04:16 PM
10/30/17 04:16 PM
Joined: Apr 2017
Posts: 1,522
Ontario, Canada
mightymousetech Offline
mightymousetech  Offline

Joined: Apr 2017
Posts: 1,522
Ontario, Canada
Originally Posted By: Indydriver
Id be more concerned about 0W-40 startup in severe cold. What does VW spec?


Castrol 0W40 has a pour point of -60C (-76F) I would say that is pretty severe.

I use it year round in all my cars. And that goes from freezing Quebec winter weather to track use in the summer.

Last edited by mightymousetech; 10/30/17 04:21 PM.

Mighty Mouse Tech
BMW Tech, Former Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL
Re: 0w-40 year round in Canada? [Re: Mr_Accord] #4559411
10/30/17 04:18 PM
10/30/17 04:18 PM
Joined: May 2002
Posts: 21,532
Oakville, Ontario
Patman Offline
Global Moderator
Patman  Offline
Global Moderator

Joined: May 2002
Posts: 21,532
Oakville, Ontario
I've been using 0w40 all year long in my wife's BMW since we got it in 2014, no issues.


2018 Corvette, 9k, M1 ESP Formula 5w30 & NAPA Gold
2006 Civic EX Coupe, 149k, PUP 5w20 & Fram Ultra
2010 BMW 328i X-Drive,113k, GC 0w40 & Fram Ultra

Re: 0w-40 year round in Canada? [Re: Mr_Accord] #4559412
10/30/17 04:20 PM
10/30/17 04:20 PM
Joined: Mar 2011
Posts: 2,206
Indiana
Indydriver Offline
Indydriver  Offline

Joined: Mar 2011
Posts: 2,206
Indiana
M1 0W-40 has a -40C viscosity 63% higher than 0W-30. I would think cold viz would be the critical issue for Canadian winters.


2014 Camaro 2SS/RS LS3 Vert 14,000 M1
2012 Sienna 85,000 M1
2007 Tahoe 155,000 M1

Re: 0w-40 year round in Canada? [Re: Indydriver] #4559438
10/30/17 05:00 PM
10/30/17 05:00 PM
Joined: Apr 2008
Posts: 39,214
Ontario, Canada
OVERKILL Offline
OVERKILL  Offline

Joined: Apr 2008
Posts: 39,214
Ontario, Canada
Originally Posted By: Indydriver
Id be more concerned about 0W-40 startup in severe cold. What does VW spec?


Why? a 0w-40 is good down to at least -40C, as that's where the MRV test is done.


2019 RAM 1500 Sport - Mobil 1 EP 0w-20, FRAM Ultra
2016 Grand Cherokee SRT - Ravenol SSL 0w-40, FRAM Ultra
Re: 0w-40 year round in Canada? [Re: Mr_Accord] #4559439
10/30/17 05:02 PM
10/30/17 05:02 PM
Joined: Apr 2008
Posts: 39,214
Ontario, Canada
OVERKILL Offline
OVERKILL  Offline

Joined: Apr 2008
Posts: 39,214
Ontario, Canada
Castrol 5w-40 is less than a spectacular oil, their 0w-30/0w-40 were/are significantly better products. The Mobil product is also an excellent choice.

I'm presently using the Castrol 0w-40 in my Grand Cherokee as it is recommended for SRT applications, unlike Mobil 1 0w-40, otherwise, I'd run that. I ran it in my M5 year round (back when it was LL-01 approved).


2019 RAM 1500 Sport - Mobil 1 EP 0w-20, FRAM Ultra
2016 Grand Cherokee SRT - Ravenol SSL 0w-40, FRAM Ultra
Re: 0w-40 year round in Canada? [Re: Mr_Accord] #4559445
10/30/17 05:16 PM
10/30/17 05:16 PM
Joined: Mar 2012
Posts: 6,462
Colorado Springs
edyvw Offline
edyvw  Offline

Joined: Mar 2012
Posts: 6,462
Colorado Springs
Originally Posted By: Mr_Accord
I have a Vw golf with the 1.8T that I use as a work vehicle. I do enough mileage that I can change the oil twice a year. I usually time it so its in the springtime and in the fall. During the summer i've been putting 5w-40 Castrol, and in the Winter time Mobil1 0w-40. I'm just wondering if 0w-40 would alright year round during the summer months. I've always looked at 0w-40 for its good cold starting properties but not sure how well it holds up in the summer?

Thanks

Dump that Castrol 5W40 POS.
Use Castrol 0W40 all year around.


15' Toyota Sienna AWD (Mobil1 5W30 EP+OEM filter).
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)
Re: 0w-40 year round in Canada? [Re: Mr_Accord] #4559479
10/30/17 06:13 PM
10/30/17 06:13 PM
Joined: Aug 2010
Posts: 1,423
pa
benjy Offline
benjy  Offline

Joined: Aug 2010
Posts: 1,423
pa
i ran Redline 10-30 year around in PA for 200,000 miles before i traded my 2001 1.8T jetta!!! although its not as cold in PA the true synthetic redline is thickens @ a slower rate in the cold, you know that 40 C is 104 F so your group III fake synthetic mineral oil is a lot less vicious on a cold morning when its new + as it ages the viscosity improvers + pour point depressants go away!! if you do a lot of highway + few shorties a real synthetic may go all year!!

Re: 0w-40 year round in Canada? [Re: benjy] #4559485
10/30/17 06:20 PM
10/30/17 06:20 PM
Joined: Mar 2012
Posts: 6,462
Colorado Springs
edyvw Offline
edyvw  Offline

Joined: Mar 2012
Posts: 6,462
Colorado Springs
Originally Posted By: benjy
i ran Redline 10-30 year around in PA for 200,000 miles before i traded my 2001 1.8T jetta!!! although its not as cold in PA the true synthetic redline is thickens @ a slower rate in the cold, you know that 40 C is 104 F so your group III fake synthetic mineral oil is a lot less vicious on a cold morning when its new + as it ages the viscosity improvers + pour point depressants go away!! if you do a lot of highway + few shorties a real synthetic may go all year!!

Give me a break man.
I saw Passat's with 1.8T using "fake" synthetics with 350k+. For example Valvoline 5W40 MST has better performance characteristics then new Redline 5W40 Professional series. Ester works only as good as other compounds, and as professional series proves, Redline has a hard time cooking really good oil that can also get approvals.

In Canadian winter I would run Castrol 0W40 (which is by the way, PAO based oil) over any Redline. Final product is much more important then whether oil is Group III, IV or V.
Mobil1 5W30ESP proves that point.


15' Toyota Sienna AWD (Mobil1 5W30 EP+OEM filter).
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)
Re: 0w-40 year round in Canada? [Re: Mr_Accord] #4559568
10/30/17 07:11 PM
10/30/17 07:11 PM
Joined: Nov 2011
Posts: 5,062
MTL, CANADA
Rolla07 Offline
Rolla07  Offline

Joined: Nov 2011
Posts: 5,062
MTL, CANADA
0w40 is fine year around.


2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967

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