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5w-30 vs 30 #4456497
07/11/17 05:25 PM
07/11/17 05:25 PM
Joined: Mar 2014
Posts: 34
Pennsylvania
Kevinmcc2 Offline OP
Kevinmcc2  Offline OP

Joined: Mar 2014
Posts: 34
Pennsylvania
So I have an lawnmower that states in the manual 5w-30 below 32F and 30 above 32F.. I didnt read that until after I did the oil change and put in 5w30.. That being said its summer here and aound 80-90F.. Should I drain my mower again and go get some 30 or stick with the 5w-30?

Re: 5w-30 vs 30 [Re: Kevinmcc2] #4456498
07/11/17 05:26 PM
07/11/17 05:26 PM
Joined: Oct 2014
Posts: 13,298
Canyon County Idaho
CT8 Offline
CT8  Offline

Joined: Oct 2014
Posts: 13,298
Canyon County Idaho
No just keep an eye on the oil level.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: 5w-30 vs 30 [Re: Kevinmcc2] #4456506
07/11/17 05:41 PM
07/11/17 05:41 PM
Joined: Apr 2016
Posts: 1,202
Campbellsville, KY
Alex_V Offline
Alex_V  Offline

Joined: Apr 2016
Posts: 1,202
Campbellsville, KY
What kind of 5w30 did you use? If it was cheap run of the mill dino, I wouldn't count on it to hold up to the heat the air cooled engine can dish out.


To quote a friend, "Synthetics, man."

'85 GMC C3500, 454, 132K
'82 Mercedes 300CD, OM617 turbo, 173K (totaled 2018, in rehab)
'85 Mercedes 300TD, OM617 turbo, 217K (wife's)
'67 Suburban, 350, 331K
Re: 5w-30 vs 30 [Re: Kevinmcc2] #4456509
07/11/17 05:47 PM
07/11/17 05:47 PM
Joined: Jul 2009
Posts: 866
texas
danez_yoda Offline
danez_yoda  Offline

Joined: Jul 2009
Posts: 866
texas
I run 5w30 PP in my 24HP Briggs and stratton in my Yt4000 Craftsman lawn tractor. I also run a Motorcraft FL400 filter instead of the small hockeypuck B&S filter.

No problems.

Re: 5w-30 vs 30 [Re: Kevinmcc2] #4456511
07/11/17 05:50 PM
07/11/17 05:50 PM
Joined: Mar 2014
Posts: 34
Pennsylvania
Kevinmcc2 Offline OP
Kevinmcc2  Offline OP

Joined: Mar 2014
Posts: 34
Pennsylvania
I used valvoline conventional.

Re: 5w-30 vs 30 [Re: Kevinmcc2] #4456536
07/11/17 06:25 PM
07/11/17 06:25 PM
Joined: Jul 2015
Posts: 3,772
MD
AirgunSavant Offline
AirgunSavant  Offline

Joined: Jul 2015
Posts: 3,772
MD
Those charts are weird.
One says 30 weight is only good for 50f to 75f and then use 20w50
And they act like 10w30 is an Arctic grade.

Re: 5w-30 vs 30 [Re: Kevinmcc2] #4456552
07/11/17 06:49 PM
07/11/17 06:49 PM
Joined: Sep 2015
Posts: 6,172
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline

Joined: Sep 2015
Posts: 6,172
Kalifornia Kollective
It kind of is for splash oiled air-cooled small motors smile


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: 5w-30 vs 30 [Re: Kevinmcc2] #4456617
07/11/17 07:39 PM
07/11/17 07:39 PM
Joined: Dec 2003
Posts: 10,084
Florida, Cape Coral
Eddie Offline
Eddie  Offline

Joined: Dec 2003
Posts: 10,084
Florida, Cape Coral
B&S latest recommendation for all their engines is 5w30 synthetic or 10w30 Dino. You don't say which engine or size. Ed

Last edited by Eddie; 07/11/17 07:40 PM.

CX5 Touring 2.5L :-)
Re: 5w-30 vs 30 [Re: Kevinmcc2] #4456710
07/11/17 08:43 PM
07/11/17 08:43 PM
Joined: Sep 2008
Posts: 4,084
Southeast Texas
gfh77665 Offline
gfh77665  Offline

Joined: Sep 2008
Posts: 4,084
Southeast Texas
You are talking about a very small quantity of oil. I would run it once, then drain and refill with SAE 30. Look at it like a great "flush out" that will clean the internals of your OPE.

Re: 5w-30 vs 30 [Re: Kevinmcc2] #4456945
07/12/17 07:11 AM
07/12/17 07:11 AM
Joined: Mar 2008
Posts: 6,084
South Florida
bubbatime Offline
bubbatime  Offline

Joined: Mar 2008
Posts: 6,084
South Florida
Conventional 5W30 will get consumed rather quickly. No need to change it out. Just keep it topped off. Use SAE30 or synthetic 10W30 for your top up oil.


17 Chrysler Pacifica Edge Syn 5W30
13 Yamaha XT250 Valv MC 10W40
10 Acura TSX 2.4 SuperTech Syn 5W20
06 GMC Sierra SuperTech 10W30


Re: 5w-30 vs 30 [Re: Eddie] #4457505
07/12/17 05:59 PM
07/12/17 05:59 PM
Joined: Jul 2015
Posts: 3,772
MD
AirgunSavant Offline
AirgunSavant  Offline

Joined: Jul 2015
Posts: 3,772
MD
Originally Posted By: Eddie
B&S latest recommendation for all their engines is 5w30 synthetic or 10w30 Dino. You don't say which engine or size. Ed


I've seen their chart. They act like 10w30 has yet to be invented in FS. Flavors...

Re: 5w-30 vs 30 [Re: Kevinmcc2] #4457987
07/13/17 08:32 AM
07/13/17 08:32 AM
Joined: Dec 2003
Posts: 10,084
Florida, Cape Coral
Eddie Offline
Eddie  Offline

Joined: Dec 2003
Posts: 10,084
Florida, Cape Coral
I think you are not looking at the latest B&S viscosity chart. Ed


CX5 Touring 2.5L :-)
Re: 5w-30 vs 30 [Re: Kevinmcc2] #4458431
07/13/17 04:11 PM
07/13/17 04:11 PM
Joined: Apr 2014
Posts: 637
MN
ironman_gq Offline
ironman_gq  Offline

Joined: Apr 2014
Posts: 637
MN
If you want to ignore the chart and use an oil that will cover you for just about everything just use a good 15w-40 or 5w-40 HDEO and be done with it. I'm partial to Rotella T6 myself, usually have a couple quarts left over when I change the oil in my truck which take care of the lawn mower and snowblower in the spring.

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