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Where to use T4 15W-40 in a 10W-30 World? #5240619 10/15/19 06:37 PM
Joined: Jul 2015
Posts: 736
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Astro_Guy Offline OP
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Joined: Jul 2015
Posts: 736
I am retiring an old Craftsman leaf vacuum with a 4.5 HP Tecumseh that had been running on T4 15W-40. This leaves me with 2 quarts of unneeded oil. My outdoor fleet is now almost exclusively OHV powered with 10W-30 oil recommended. The exception is a 1985 vintage Troy-Bilt (real one - not MTD) with a 5 HP Briggs flathead. This puppy calls for SAE 30 but currently runs T6 5W-40. I have no intention of putting the 15W-40 in there because this machine does most of its work at around 40 degrees at the beginning and end of the gardening season. Maybe I should rethink that?

So, should I just use it as top up oil in whatever needs it, or is there a better alternative?


'01 Volvo V70XC, 247k, 10W-30 M1 High Mileage
'16 Accord, 44k, 5W-30 M1 EP
Re: Where to use T4 15W-40 in a 10W-30 World? [Re: Astro_Guy] #5240630 10/15/19 06:47 PM
Joined: Jan 2012
Posts: 5,496
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hatt Offline
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Posts: 5,496
Put it in any one of the other engines.


2013 F150 5.0, Delo XLE CK-4 10W-30, Baldwin B7449
2010 Camry 2.5, PP 10W-30, Mobil1 M1C-251A
Re: Where to use T4 15W-40 in a 10W-30 World? [Re: Astro_Guy] #5240656 10/15/19 07:14 PM
Joined: Jun 2017
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Dinoburner Offline
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I accept gifts, no really use it in most any air cooled engine in warm temps.


77 Chev stepside 454 Casteroil syn
95 GMC 4wd mobil syn
2016 Equinox LTZ V6 dealer
Kubota L5030 T6
Re: Where to use T4 15W-40 in a 10W-30 World? [Re: Astro_Guy] #5240695 10/15/19 07:53 PM
Joined: Jun 2017
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Dinoburner Offline
Offline
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Joined: Jun 2017
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I accept gifts, no really use it in most any air cooled engine in warm temps.


77 Chev stepside 454 Casteroil syn
95 GMC 4wd mobil syn
2016 Equinox LTZ V6 dealer
Kubota L5030 T6
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