Mobil 1
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Mountain Pass
Joined: Apr 2008
Posts: 246
Likes: 9
From: Surrey
Mobil 1
My Ford Dealer service manager says they are changing a lot of diesels to Mobil 1 synthetic oil. How good is this oil. Would I be happy with it in a 1999 7.3 PSD with about 100,000 miles on it? It has had Chevron Delo 400 15-40 in it since new.
Another note, the new Delo 400 has a green tint to it when dumping from the engine after 3000 miles. It is not antifreeze, just a strange oil colour.
I'm in BC and travel in below zero weather for a few months every winter.
Thanks
Bob Bates
Another note, the new Delo 400 has a green tint to it when dumping from the engine after 3000 miles. It is not antifreeze, just a strange oil colour.
I'm in BC and travel in below zero weather for a few months every winter.
Thanks
Bob Bates
Postmaster
Joined: Mar 2001
Posts: 4,968
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From: So Cal
On the diesels where motor oil is running thru the injectors, you will need to make sure the oil is diesel rated.
The newer diesels, I have read, use motor oil to help activate the injectors. The oil is under high pressure and will foam if it is regular car oil. So, you need diesel rated oil, dino or syn, if you have a newer diesel.
I believe the Powerstrokes do require diesel rated oil. I think the older 7.3 diesel does not. But, I AM NOT a diesel owner, just read about this kind of stuff.
Good Luck,
Jim Henderson
The newer diesels, I have read, use motor oil to help activate the injectors. The oil is under high pressure and will foam if it is regular car oil. So, you need diesel rated oil, dino or syn, if you have a newer diesel.
I believe the Powerstrokes do require diesel rated oil. I think the older 7.3 diesel does not. But, I AM NOT a diesel owner, just read about this kind of stuff.
Good Luck,
Jim Henderson
Thread Starter
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Mountain Pass
Joined: Apr 2008
Posts: 246
Likes: 9
From: Surrey
You are correct, they need diesel rated oil, including the 7.3.
Mobil 1 is diesel rated, just wanted to know what everybody thinks of it. I can't get Schaeffers that easily here, but our Ford dealer is selling Mobil 1 for the ford diesels I don't know if its better than Rotelle Synthetic either.
Bob Bates
Mobil 1 is diesel rated, just wanted to know what everybody thinks of it. I can't get Schaeffers that easily here, but our Ford dealer is selling Mobil 1 for the ford diesels I don't know if its better than Rotelle Synthetic either.
Bob Bates
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Joined: May 2008
Posts: 508
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From: Wasilla, AK
It's another personal choice. The ones mentioned are all synthetic. I know a lot of truckers and they mostly use Delo 400. But that might be Delo has been around the trucking business for decades and more readily available.
Posting Guru
Joined: May 2004
Posts: 2,161
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From: Prince George, B.C.
Delo 400, Valvoline Max Blue(Cummins factory fiil I have heard), Mobil 1, Shell Rotella is also a good oil. You could switch to 5W40 synthetic in the winter as well. All diesels should use diesel rated oil.
Where abouts in B.C do you live?
Where abouts in B.C do you live?
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Mountain Pass
Joined: Apr 2008
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From: Surrey
351M
I live in White Rock, but spend a couple of months every winter in The Chetwynd area.
I lived in PG for quite a few years befor 87. Still have family there.
BB
I live in White Rock, but spend a couple of months every winter in The Chetwynd area.
I lived in PG for quite a few years befor 87. Still have family there.
BB
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Mountain Pass
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I live in White Rock
I live in White Rock
Last edited by VRC9170; Mar 10, 2009 at 11:28 AM. Reason: double post
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The newer CJ-4 rated Delo 400 "LE" is loaded with Boron (over 500 ppm), which likely explains the green hue when drained.
Delo's CJ-4 additive package is one of the best of the CJ-4 HDEOs regardless of price. If you are regularly seeing below zero temps, you may want to consider Delo 400 LE Synthetic 5W-40 if you can locate some.
If not, I would check out Delvac 1 ESP, which is NOT the same oil as Mobil 1 TDT.
Delo's CJ-4 additive package is one of the best of the CJ-4 HDEOs regardless of price. If you are regularly seeing below zero temps, you may want to consider Delo 400 LE Synthetic 5W-40 if you can locate some.
If not, I would check out Delvac 1 ESP, which is NOT the same oil as Mobil 1 TDT.
Posting Guru
Joined: Jun 1999
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From: Northern California
CITGO also makes a quality diesel oil for slightly less than average pricing of brand labels. We have used CITGO oil in our fleet of trucks at work, and they deliver excellent results for severe service driving conditions.
I also read once where CITGO diesel oil is one of the better oils in holding combustion by-products in suspension, while still giving excellent lubrication and engine wear protection at the end of it's recommended oil change interval.
Ed
I also read once where CITGO diesel oil is one of the better oils in holding combustion by-products in suspension, while still giving excellent lubrication and engine wear protection at the end of it's recommended oil change interval.
Ed
Elder User
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From: Media, PA
I think I know what you're refering to. I saw a list which is floating around the web detailing where gasoline & oil comes from...and where Citgo products come from.
Posting Guru
Joined: Jun 1999
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From: Northern California
[QUOTE=Big Bad;7261139]CITGO sucks, and is a company I would never support in any way.
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Instead of making a blanket statement like that, why don't you explain your reasons why? DUHHH?
You must be an elected politican, I'll bet?
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Instead of making a blanket statement like that, why don't you explain your reasons why? DUHHH?
You must be an elected politican, I'll bet?
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From: Wharton, NJ
Citgo is Owned By Venezuela Whose President Is Anti-U.S.
Citgo is the American subsidiary of the state-run oil company, Petroleos de Venezuela SA.