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15w30 #4611698
12/22/17 10:35 PM
12/22/17 10:35 PM
Joined: Jul 2016
Posts: 168
EasTn
Sealbilly Offline OP
Sealbilly  Offline OP
Joined: Jul 2016
Posts: 168
EasTn
My lawn mower calls for strait 30wt oil or 10w30 if operating in cooler weather. It also says in the manual in hot weather the 10w30 could cause consumption. I have been running 10w30 rotella in it and it seems to be using a little oil but I also use it late in the year to mulch leaves so I don't want to use strait 30 wt. Would delo 15w30 be a good compromise? Any body use it?

Re: 15w30 [Re: Sealbilly] #4611704
12/22/17 10:46 PM
12/22/17 10:46 PM
Joined: Oct 2009
Posts: 3,210
Wet side WA
JohnnyJohnson Online content
JohnnyJohnson  Online Content
Joined: Oct 2009
Posts: 3,210
Wet side WA
Been using Valvoline 5w-30 in my Briggs/Sears mower for three years now.

Last edited by JohnnyJohnson; 12/22/17 10:46 PM.

2004 Corolla 124705
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74277
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18
Re: 15w30 [Re: Sealbilly] #4611723
12/22/17 11:15 PM
12/22/17 11:15 PM
Joined: Aug 2011
Posts: 3,157
n.c.
gman2304 Offline
gman2304  Offline
Joined: Aug 2011
Posts: 3,157
n.c.
I’ve been using Rotella 15w40, summer and fall in all my OPE for years with no consumption. YMMV

Last edited by gman2304; 12/22/17 11:17 PM.
Re: 15w30 [Re: Sealbilly] #4611771
12/23/17 02:05 AM
12/23/17 02:05 AM
Joined: Jan 2016
Posts: 325
TX
mooferz Offline
mooferz  Offline
Joined: Jan 2016
Posts: 325
TX
If you can find it, that oil would be perfect for that engine.
Delo SD 15W-30 is more or less a straight SAE 30. Its cold flow properties come from being a synthetic blend, rather than using viscosity index improvers, similar to Redline's Racing 30WT- which doubles as a 10W-30 due to its use of synthetic base oils.


2001 Lexus ES300, 235k mi, German Castrol 0w-40, Fram TG8316
1985 BMW R80RT (1L)- M1 15w-50
1993 Volvo 945 Turbo- Rotella T5 10W-30 (CJ-4)
Re: 15w30 [Re: Sealbilly] #4611794
12/23/17 05:38 AM
12/23/17 05:38 AM
Joined: Sep 2013
Posts: 10,446
Indiana
dlundblad Offline
dlundblad  Offline
Joined: Sep 2013
Posts: 10,446
Indiana
Consumption depends on the engine. They are all different regardless of brand, model etc.

15w30 would work, but the consumption rate is to be determined.


03 Jeep WJ 4.0 200k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 177k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 149k Rotella T5 10w30 Supertech ST3980

Re: 15w30 [Re: Sealbilly] #4611807
12/23/17 06:13 AM
12/23/17 06:13 AM
Joined: Jan 2011
Posts: 2,718
N.Ohio
Lubener Offline
Lubener  Offline
Joined: Jan 2011
Posts: 2,718
N.Ohio
I use straight 30 and do a lot of fall mulching in N. Ohio throughout November. I never experienced any problems.

Last edited by Lubener; 12/23/17 06:14 AM.

The "thinking" man's friend.
Re: 15w30 [Re: mooferz] #4611813
12/23/17 06:23 AM
12/23/17 06:23 AM
Joined: Jul 2016
Posts: 168
EasTn
Sealbilly Offline OP
Sealbilly  Offline OP
Joined: Jul 2016
Posts: 168
EasTn
Originally Posted By: mooferz
If you can find it, that oil would be perfect for that engine.
Delo SD 15W-30 is more or less a straight SAE 30. Its cold flow properties come from being a synthetic blend, rather than using viscosity index improvers, similar to Redline's Racing 30WT- which doubles as a 10W-30 due to its use of synthetic base oils.


Thanks I was wondering what the deal was with the 15w part. I haven't been able to find much info on it. I was also looking for a stout 30 wt oil for a chevy LS engine that will take a beating as its gonna see some drag strip use on track day. Two birda one stone.

Re: 15w30 [Re: Sealbilly] #4611825
12/23/17 06:40 AM
12/23/17 06:40 AM
Joined: Mar 2013
Posts: 4,756
The Midwest
skyactiv Offline
skyactiv  Offline
Joined: Mar 2013
Posts: 4,756
The Midwest
Originally Posted By: Sealbilly
Originally Posted By: mooferz
If you can find it, that oil would be perfect for that engine.
Delo SD 15W-30 is more or less a straight SAE 30. Its cold flow properties come from being a synthetic blend, rather than using viscosity index improvers, similar to Redline's Racing 30WT- which doubles as a 10W-30 due to its use of synthetic base oils.


Thanks I was wondering what the deal was with the 15w part. I haven't been able to find much info on it. I was also looking for a stout 30 wt oil for a chevy LS engine that will take a beating as its gonna see some drag strip use on track day. Two birda one stone.


Use a robust oil such as Castrol 0W40. Thin for startup protection that a lot of old cars and trailer queens see often and thicker than a 30W.
The NOACK on Castrol 0W40 is under 10, it's a rare and real PAO synthetic from Europe and is proven on VW's, Audi's.... that put out a lot more HP per cubic inch than a SBC does.


Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual
Re: 15w30 [Re: skyactiv] #4611874
12/23/17 07:47 AM
12/23/17 07:47 AM
Joined: Jan 2009
Posts: 2,377
wi
dave123 Offline
dave123  Offline
Joined: Jan 2009
Posts: 2,377
wi
Originally Posted By: skyactiv
Originally Posted By: Sealbilly
Originally Posted By: mooferz
If you can find it, that oil would be perfect for that engine.
Delo SD 15W-30 is more or less a straight SAE 30. Its cold flow properties come from being a synthetic blend, rather than using viscosity index improvers, similar to Redline's Racing 30WT- which doubles as a 10W-30 due to its use of synthetic base oils.


Thanks I was wondering what the deal was with the 15w part. I haven't been able to find much info on it. I was also looking for a stout 30 wt oil for a chevy LS engine that will take a beating as its gonna see some drag strip use on track day. Two birda one stone.


Use a robust oil such as Castrol 0W40. Thin for startup protection that a lot of old cars and trailer queens see often and thicker than a 30W.
The NOACK on Castrol 0W40 is under 10, it's a rare and real PAO synthetic from Europe and is proven on VW's, Audi's.... that put out a lot more HP per cubic inch than a SBC does.

The Castrol 0W40 NOACK not all that impressive if wanting a low number Amsoil ASE 10W30 comes in at a 4.0 and this oil would be my first pick.

Re: 15w30 [Re: mooferz] #4611875
12/23/17 07:48 AM
12/23/17 07:48 AM
Joined: Dec 2002
Posts: 42,085
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,085
New Jersey
Originally Posted By: mooferz
If you can find it, that oil would be perfect for that engine.
Delo SD 15W-30 is more or less a straight SAE 30. Its cold flow properties come from being a synthetic blend, rather than using viscosity index improvers, similar to Redline's Racing 30WT- which doubles as a 10W-30 due to its use of synthetic base oils.


+1

Re: 15w30 [Re: Sealbilly] #4611904
12/23/17 08:36 AM
12/23/17 08:36 AM
Joined: Dec 2003
Posts: 9,799
Florida, Cape Coral
Eddie Offline
Eddie  Offline
Joined: Dec 2003
Posts: 9,799
Florida, Cape Coral
I run 10w30 Rotella T5 in my 20 HP B&S twin. T5 is a good stout oil that is diesel rated. Ed


CX5 Touring 2.5L :-)
Re: 15w30 [Re: Sealbilly] #4611912
12/23/17 08:45 AM
12/23/17 08:45 AM
Joined: Sep 2010
Posts: 6,988
Texas
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 6,988
Texas
10w30 is a good choice … put 15w40 Delvac in mine yesterday … but mainly because other oil in my stash was dedicated to upcoming OCI times …

Re: 15w30 [Re: dave123] #4612011
12/23/17 10:38 AM
12/23/17 10:38 AM
Joined: Apr 2010
Posts: 4,398
Storrs, Connecticut
jeepman3071 Offline
jeepman3071  Offline
Joined: Apr 2010
Posts: 4,398
Storrs, Connecticut
Originally Posted By: dave123

The Castrol 0W40 NOACK not all that impressive if wanting a low number Amsoil ASE 10W30 comes in at a 4.0 and this oil would be my first pick.


True, but Amsoil is a real PITA because you have to order it. This is fine if you have one lawn mower that you change the oil in once or twice a year, but for most people Amsoil is not really convenient and is simply a boutique oil.

Rotella T5, T6, and Castrol 0w40 are available pretty much everywhere and is an excellent oil for Outdoor Power Equipment. WalMart, AutoZone, Tractor Supply, even some Home Depots carry it, so it is extremely easy to find and also cost effective where Amsoil is not. I'm not knocking Amsoil, it is a quality product, but until it is readily available and doesn't need to be special ordered I will consider it a boutique oil.


2000 Jeep Cherokee 4.0L (180k) - Pennzoil 10w30, Napa Gold 1516, Magnefine trans filter
2009 BMW 328i (33k) - Castrol Edge Euro 0w40, MANN HU816X
Re: 15w30 [Re: Sealbilly] #4612057
12/23/17 11:15 AM
12/23/17 11:15 AM
Joined: Sep 2010
Posts: 7,485
S California
OneEyeJack Offline
OneEyeJack  Offline
Joined: Sep 2010
Posts: 7,485
S California
I have a commercial Honda push mower that about 15 years old. I use leftover 0w-30 Red Line and change it every year. I just turn the oil bottles upside down and let them drain for a week or so after an oil change on my 3 daily drivers. I've never noticed any oil consumption and that's something I would discover because I check the lever before every use.

For maintenance, I change the paper air filter as needed and clean the foam prefilter and oil it with Red Line 2-stroke oil. I've added a fuel filter and I think I've changed the spark plug a couple of times over 15 years. I add a fuel treatment with PEA to the gasoline and keep the blades sharp, the mower and engine clean and the two cables greased. I have no idea when the engine is supposed to wear out but I'll keep running it until it won't run anymore.

Re: 15w30 [Re: Sealbilly] #4612090
12/23/17 11:38 AM
12/23/17 11:38 AM
Joined: Jun 2003
Posts: 33,073
ME
eljefino Offline
eljefino  Offline
Joined: Jun 2003
Posts: 33,073
ME
Are you just putting the 15w30 in for leaf mulching season? Or year-round? How many hours do you pile on this thing?

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