Best Engine Oil?
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New User
Joined: Jan 2009
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Best Engine Oil?
My local supplier carrys the following three types of Oil
1. Shell Rotella T
2. Chevron Delo 400LE
3. Mobil Delvac 1300 Super
Which if any would be best in my 7.3 IDI Non Turbo, I know all of the major brands must meet pretty much the same industry standards. These are all 15 W 40 of course. Thanks!
1. Shell Rotella T
2. Chevron Delo 400LE
3. Mobil Delvac 1300 Super
Which if any would be best in my 7.3 IDI Non Turbo, I know all of the major brands must meet pretty much the same industry standards. These are all 15 W 40 of course. Thanks!
Lead Driver
Joined: Apr 2008
Posts: 6,944
Likes: 13
Find somewhere that sells Valvoline premium blue. There was a thread on this a while back. You dont want to run the newer formulated oil for use in trucks with DPFs. Which includes rotella. Good ole delo 400 is good, but i dont think they even make it anymore, all i could find is 400 LE (low emission) I switched to Valvoline premium and there was a noticable impovement in consumption and the engine just sounds better. Oil pressure doesnt drop as much as bad either as compared to delo LE Valvoline is alos recommended by Cummins.
but like i said, it boils down to not using the newer low emissions formulations, one is CJ4 the other is something else CI4? Drawing a blank.. well anyway a quick net search should point you in the right direction. FWIW walmart brand oil beat alot of respectable oil brands in a breakdown comparison, including delo and john deere
but like i said, it boils down to not using the newer low emissions formulations, one is CJ4 the other is something else CI4? Drawing a blank.. well anyway a quick net search should point you in the right direction. FWIW walmart brand oil beat alot of respectable oil brands in a breakdown comparison, including delo and john deere
Senior User
Joined: Apr 2012
Posts: 240
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From: Prosser, WA
Find somewhere that sells Valvoline premium blue. There was a thread on this a while back. You dont want to run the newer formulated oil for use in trucks with DPFs. Which includes rotella. Good ole delo 400 is good, but i dont think they even make it anymore, all i could find is 400 LE (low emission) I switched to Valvoline premium and there was a noticable impovement in consumption and the engine just sounds better. Oil pressure doesnt drop as much as bad either as compared to delo LE Valvoline is alos recommended by Cummins.
but like i said, it boils down to not using the newer low emissions formulations, one is CJ4 the other is something else CI4? Drawing a blank.. well anyway a quick net search should point you in the right direction. FWIW walmart brand oil beat alot of respectable oil brands in a breakdown comparison, including delo and john deere
but like i said, it boils down to not using the newer low emissions formulations, one is CJ4 the other is something else CI4? Drawing a blank.. well anyway a quick net search should point you in the right direction. FWIW walmart brand oil beat alot of respectable oil brands in a breakdown comparison, including delo and john deere
Rob
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Logistics Pro
Joined: Sep 2007
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From: Western Mass
Yah really...
I run the walmart (Supertech) brand 15-40, its cheap and works fine.
The extra money for any other "name brand" generally pays for the advertising to sell that brand.
Last I checked, advertising doesn't make my truck run any better, it just makes my wallet lighter
I run the walmart (Supertech) brand 15-40, its cheap and works fine.
The extra money for any other "name brand" generally pays for the advertising to sell that brand.
Last I checked, advertising doesn't make my truck run any better, it just makes my wallet lighter
Post Fiend
Joined: Nov 2005
Posts: 7,437
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From: Charles Town, W bygod Va
Ask 5 different people, you'll get 10 different answers on this one.
I've been using motorcraft 15w40 from walmart for a while. It leaks out at the same rate as the others and the truck didn't blow up yet, so it must be good.
Seriously though, Rotella has been known to evaporate more than others.
I've been using motorcraft 15w40 from walmart for a while. It leaks out at the same rate as the others and the truck didn't blow up yet, so it must be good.
Seriously though, Rotella has been known to evaporate more than others.
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