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#1
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Recommended Diesel Winter Oil
Hello Everyone,
Can anyone recommend a 10w-30 oil for winter use on a 1985 300D Turbo? I have been using Shell Rotella 15w-40 year round but would like a thinner oil for better upper engine lubrication when cold. Temperatures can reach -10 F in this part of CT but usually hover in the teens for days. Mileage is 250,000 with little blow by. I am mainly asking this question because I can't seem to find a 10w-30 for diesels that is non synthetic. I don't mind paying for synthetic but I am hesitant because of possible leakage. Thanks! |
#2
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I use snyc 5w 40 diesel oil.
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1999 w140, quit voting to old, and to old to fight, a god damned veteran |
#3
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Eh, I wouldn't run a 10W-30 in my car. I've used 15W-40 dino and 5W-40 synthetic (or pseudo synthetic by the standards of some). Both work fine and the latter will help with cold starts. You can usually get a gallon of Rotella T for about $20... not too bad. These cars seem to take a little under 2 gallons.
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1982 240D, sold 9/17/2008 1987 300D TurboW124.133 - 603.960, 722.317 - Smoke Silver Metallic / Medium Red (702/177), acquired 8/15/2009 262,715 and counting |
#4
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Thanks a lot! I will check out the 5w-40.
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#5
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Yup, 5W40. I like Mobil 1, but there is nothing wrong with Rotella synthetic. You will be surprised how much quicker it spins in very cold weather.
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#6
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The Mobil 1 looks good to me. No issues with seal leaks? I don't know how common this is. I have just heard of it.
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#7
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I like Rotella T6 5W-40 full synthetic $17 a gallon at WalMart.
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92 300D 2.5L OM602 OBK #59 |
#8
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I would run a 5w-40 year round. Right now Im running schaeffer's 9000 full syn 5w-40 with great results. Rotella t6 5w-40 is simple and a good option.
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Current Diesels: 1981 240D (73K) 1982 300CD (169k) 1985 190D (169k) 1991 350SD (113k) 1991 350SD (206k) 1991 300D (228k) 1993 300SD (291k) 1993 300D 2.5T (338k) 1996 Dodge Ram CTD (442k) 1996 Dodge Ram CTD (265k) Past Diesels: 1983 300D (228K) 1985 300D (233K) |
#9
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Quote:
I have a zero tolerance policy for oil leaks, so mine have all been fixed anyway. If you have existing leaks, the thinner oil may cause the leakage to increase, you really have to try for yourself. |
#10
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"thinner" oil has nothing to do with leaks.
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Current Diesels: 1981 240D (73K) 1982 300CD (169k) 1985 190D (169k) 1991 350SD (113k) 1991 350SD (206k) 1991 300D (228k) 1993 300SD (291k) 1993 300D 2.5T (338k) 1996 Dodge Ram CTD (442k) 1996 Dodge Ram CTD (265k) Past Diesels: 1983 300D (228K) 1985 300D (233K) |
#11
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If you have leaks, you may leak more with 5W40 than 15W40. Synthetics certainly do not cause leaks.
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#12
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You have heard myths from the 1980's that weren't true even then.
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#13
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I run Rotella 5w40 with excellent Baldwin filters year round.
__________________
-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#14
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if you're leaking now, you will continue to leak. (check the air cleaner o-rings)
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#15
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Or until the synthetic oil conditions your seals and the leaks go away.
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