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15W40 Oil Question #4523759
09/23/17 07:04 AM
09/23/17 07:04 AM
Joined: Apr 2014
Posts: 154
FL USA
doolah02 Offline OP
doolah02  Offline OP
Joined: Apr 2014
Posts: 154
FL USA
Would a 15W40 oil be used in South Florida during winter months or would 5W40 be better?
It's for OPE use.

Re: 15W40 Oil Question [Re: doolah02] #4523772
09/23/17 07:46 AM
09/23/17 07:46 AM
Joined: Mar 2013
Posts: 4,767
The Midwest
skyactiv Offline
skyactiv  Offline
Joined: Mar 2013
Posts: 4,767
The Midwest
It probably won't matter, but you'll still sling/get oil to parts quicker with a 5W40 which who knows, could give you 1.25 extra acres of mowing life.
I think a diesel or Euro type 10W30 would work the best if the equipment specs a 30W.

Last edited by skyactiv; 09/23/17 07:53 AM.

Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual
Re: 15W40 Oil Question [Re: doolah02] #4523774
09/23/17 07:52 AM
09/23/17 07:52 AM
Joined: Oct 2008
Posts: 985
Northern, NY
Rob_Roy Offline
Rob_Roy  Offline
Joined: Oct 2008
Posts: 985
Northern, NY
15w-40 year round for Florida.


2016 Ford Expedition 3.5 Ecoboost
2015 Subaru Legacy 3.6
2014 Subaru Outback 2.5
1999 Ford F350, V10
Re: 15W40 Oil Question [Re: doolah02] #4523778
09/23/17 07:56 AM
09/23/17 07:56 AM
Joined: Sep 2010
Posts: 7,560
SE Texas
2015_PSD Offline
2015_PSD  Offline
Joined: Sep 2010
Posts: 7,560
SE Texas
Much like Texas, the average winter temperatures do not drop low enough to require a 5W-40 oil and 15W-40 will work just fine, unless you simply want to use a synthetic oil.


2018 MB AMG GLC43 3.0L Coupe - Castrol 0W-40/Purflux
2018 MB C300 2.0L - M1 0W-40/OEM
2015 F-250 6.7L PS Diesel - Delo 15W-40/CQ Blue
2014 Explorer 3.5L Limited - M1 AFE 0W-20/FU
Re: 15W40 Oil Question [Re: doolah02] #4523785
09/23/17 08:10 AM
09/23/17 08:10 AM
Joined: Dec 2002
Posts: 42,085
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,085
New Jersey
Air cooled ope with splash lubrication shouldn't much care. But I'd also consider a synthetic 30wt or straight 30/40.

The temperatures of south Florida versus anywhere else are not an issue compared to the temperature of combustion.

What does the manual call for?

Re: 15W40 Oil Question [Re: doolah02] #4523861
09/23/17 09:50 AM
09/23/17 09:50 AM
Joined: Oct 2004
Posts: 3,078
Midwest, Illinois
beanoil Offline
beanoil  Offline
Joined: Oct 2004
Posts: 3,078
Midwest, Illinois
What engine and what does the manual recommend?
I still like straight 30 for most OPE.
Many are narrow spread multi's in disguise anyway, and would be 15w or 20w30's if tested and labeled as such.


beanoil: Tough under heat, real dirty afterwards.
Re: 15W40 Oil Question [Re: doolah02] #4523863
09/23/17 09:53 AM
09/23/17 09:53 AM
Joined: Oct 2014
Posts: 11,849
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 11,849
Idaho
Originally Posted By: doolah02
Would a 15W40 oil be used in South Florida during winter months or would 5W40 be better?
It's for OPE use.
Curious why ask?


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: 15W40 Oil Question [Re: CT8] #4523869
09/23/17 10:07 AM
09/23/17 10:07 AM
Joined: Sep 2002
Posts: 2,275
VA
Gebo Offline
Gebo  Offline
Joined: Sep 2002
Posts: 2,275
VA
Originally Posted By: CT8
Originally Posted By: doolah02
Would a 15W40 oil be used in South Florida during winter months or would 5W40 be better?
It's for OPE use.
Curious why ask?


DUH, this is BITOG.. crazy

15w-40


'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 58K
Amsoil in all engines, transmissions and differentials

Re: 15W40 Oil Question [Re: doolah02] #4523898
09/23/17 10:44 AM
09/23/17 10:44 AM
Joined: Oct 2015
Posts: 2,657
Balearic Islands , Spain
FordCapriDriver Offline
FordCapriDriver  Offline
Joined: Oct 2015
Posts: 2,657
Balearic Islands , Spain
You could probably use SAE 40 most of the year and not worry, use 15W-40 with confidence.


1975 Ford Capri II Ghia 3000 V6, - Shell Helix HX3 20W-50 w/ 20% Rimula R4X 15W-40 HDEO.

1988 Ford Escort Mk4 Xr3i Cabrio, - Shell Rimula R4X 15W-40, w/ 30% Helix 3 20W-50.
Re: 15W40 Oil Question [Re: doolah02] #4523911
09/23/17 11:03 AM
09/23/17 11:03 AM
Joined: Mar 2008
Posts: 5,841
South Florida
bubbatime Offline
bubbatime  Offline
Joined: Mar 2008
Posts: 5,841
South Florida
I live in south Florida. I cant remember a time I have ever started power equipment under 65-70 degrees. I only need to mow every 3 weeks or so in the winter, and I do that when its 70-75 degrees outside during the day.

So 15W40 is fine, and a good choice. 5W40 is a waste of money, in my honest opinion.


17 Chrysler Pacifica Mobil 1 5W30
13 Yamaha XT250 Valv MC 10W40
12 Suzuki S40 Rotella 15W40
10 Acura TSX 2.4 PZL Plat 5W30
06 GMC Sierra Nextgen 10W30


Re: 15W40 Oil Question [Re: bubbatime] #4524077
09/23/17 02:40 PM
09/23/17 02:40 PM
Joined: Feb 2015
Posts: 2,199
Slovenia EU
Kamele0N Offline
Kamele0N  Offline
Joined: Feb 2015
Posts: 2,199
Slovenia EU
Originally Posted By: bubbatime
I live in south Florida. I cant remember a time I have ever started power equipment under 65-70 degrees.

5W40 is a waste of money, in my honest opinion.


Think again....where you can profit because of the synthetic in AIRcooled OPE...


2011 Hyundai i30 1.4 CVVT Shell Helix Ultra 5w40
1997 Toyota Landcruiser KZJ95 3.0 TD Shell Rimula R6M 10w40
Re: 15W40 Oil Question [Re: doolah02] #4524113
09/23/17 03:17 PM
09/23/17 03:17 PM
Joined: Apr 2009
Posts: 2,933
Canada
boraticus Offline
boraticus  Offline
Joined: Apr 2009
Posts: 2,933
Canada

"Think again....where you can profit because of the synthetic in AIRcooled OPE..."

I've owned and still own dozens of air cooled engines including lots of two strokes for decades. Never use synthetic. If anything would need excellent lubrication it would be high revving air cooled two cycle engines and today's conventional oils are more than sufficient.

Why pay twice as much for oil for only fractions of a percentage more protection?

Re: 15W40 Oil Question [Re: doolah02] #4524121
09/23/17 03:27 PM
09/23/17 03:27 PM
Joined: Apr 2014
Posts: 154
FL USA
doolah02 Offline OP
doolah02  Offline OP
Joined: Apr 2014
Posts: 154
FL USA
I'm going to try Rotella 15W40, would that be a good choice or what?

Re: 15W40 Oil Question [Re: doolah02] #4524134
09/23/17 03:42 PM
09/23/17 03:42 PM
Joined: Sep 2010
Posts: 7,000
Texas
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 7,000
Texas
That, Delo, Delvac - find a sale they are all solid.

Re: 15W40 Oil Question [Re: doolah02] #4524141
09/23/17 03:49 PM
09/23/17 03:49 PM
Joined: Apr 2014
Posts: 154
FL USA
doolah02 Offline OP
doolah02  Offline OP
Joined: Apr 2014
Posts: 154
FL USA
Thanks 4W

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