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#4456497 - 07/11/17 05:25 PM 5w-30 vs 30
Kevinmcc2 Offline


Registered: 03/19/14
Posts: 28
Loc: 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?

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#4456498 - 07/11/17 05:26 PM Re: 5w-30 vs 30 [Re: Kevinmcc2]
CT8 Offline


Registered: 10/09/14
Posts: 10920
Loc: Idaho
No just keep an eye on the oil level.
_________________________
"Don't let your preconceived notions get in the way of facts."Geoff Metcalf"

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#4456506 - 07/11/17 05:41 PM Re: 5w-30 vs 30 [Re: Kevinmcc2]
Alex_V Offline


Registered: 04/10/16
Posts: 1155
Loc: 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.
_________________________
I like Chevy and Valvoline.

'13 Cruze, 1.4T, 112K
'85 GMC C3500, 454, 130K
'82 Mercedes 300CD, OM617 turbo, 167K
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#4456509 - 07/11/17 05:47 PM Re: 5w-30 vs 30 [Re: Kevinmcc2]
danez_yoda Offline


Registered: 07/18/09
Posts: 460
Loc: 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.

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#4456511 - 07/11/17 05:50 PM Re: 5w-30 vs 30 [Re: Kevinmcc2]
Kevinmcc2 Offline


Registered: 03/19/14
Posts: 28
Loc: Pennsylvania
I used valvoline conventional.

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#4456536 - 07/11/17 06:25 PM Re: 5w-30 vs 30 [Re: Kevinmcc2]
AirgunSavant Offline


Registered: 07/22/15
Posts: 3772
Loc: 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.

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#4456552 - 07/11/17 06:49 PM Re: 5w-30 vs 30 [Re: Kevinmcc2]
BrocLuno Offline


Registered: 09/06/15
Posts: 5502
Loc: 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.

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#4456617 - 07/11/17 07:39 PM Re: 5w-30 vs 30 [Re: Kevinmcc2]
Eddie Offline


Registered: 12/07/03
Posts: 9558
Loc: 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


Edited by Eddie (07/11/17 07:40 PM)
_________________________
CX5 Touring 2.5L :-)

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#4456710 - 07/11/17 08:43 PM Re: 5w-30 vs 30 [Re: Kevinmcc2]
gfh77665 Offline


Registered: 09/01/08
Posts: 3789
Loc: 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.

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#4456945 - 07/12/17 07:11 AM Re: 5w-30 vs 30 [Re: Kevinmcc2]
bubbatime Offline


Registered: 03/18/08
Posts: 5615
Loc: 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 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



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#4457505 - 07/12/17 05:59 PM Re: 5w-30 vs 30 [Re: Eddie]
AirgunSavant Offline


Registered: 07/22/15
Posts: 3772
Loc: 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...

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#4457987 - 07/13/17 08:32 AM Re: 5w-30 vs 30 [Re: Kevinmcc2]
Eddie Offline


Registered: 12/07/03
Posts: 9558
Loc: Florida, Cape Coral
I think you are not looking at the latest B&S viscosity chart. Ed
_________________________
CX5 Touring 2.5L :-)

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#4458431 - 07/13/17 04:11 PM Re: 5w-30 vs 30 [Re: Kevinmcc2]
ironman_gq Offline


Registered: 04/30/14
Posts: 604
Loc: 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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