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View Poll Results: POLL! Synthetic oil you use
Amsoil 9 16.67%
Mobil 1 24 44.44%
Rotella 18 33.33%
Castrol 3 5.56%
Royal Purple 0 0%
Valvoline 1 1.85%
Store brand 1 1.85%
5W 40 10 18.52%
10-15W40 2 3.70%
25W50 1 1.85%
Multiple Choice Poll. Voters: 54. You may not vote on this poll

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  #1  
Old 04-08-2011, 09:29 AM
vstech's Avatar
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Location: Mount Holly, NC
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What Synthetic oil do you use?

trying to get a read on the synthetic oil you use.

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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!
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  #2  
Old 04-08-2011, 02:08 PM
Save the manuals!
 
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Mobil 1 in my gassers.
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  #3  
Old 04-08-2011, 02:10 PM
Stretch's Avatar
...like a shield of steel
 
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Castrol magnatech diesel for me (I doubt if you can get it in the US)
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1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!
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  #4  
Old 04-08-2011, 02:28 PM
DeliveryValve's Avatar
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Posts: 4,159
Pentosin or Motul for the diesels, Mobil 1 for gassers.
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1983 123.133 California
- GreaseCar Veg System


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  #5  
Old 04-08-2011, 02:48 PM
Oldwolf's Avatar
124.128/602.962/722.418
 
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Location: Raleigh, NC
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Mobil 1 in my gassers. Delvac (Dino!) in my diesel.
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1993 W124 300D 2.5L Turbo, OM602.962
2000 Chevrolet Cavalier, 2.4L DOHC
2002 Ford Explorer, 4.0L SOHC
2005 Toyota Prius, 1.5L

http://www.fuelly.com/sig-us/40601.png
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  #6  
Old 04-08-2011, 03:28 PM
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Rotella. I remember hearing that it's not actually a true synthetic, but I don't remember the details. It does fine for what I use it for. Once, in my 240D (right before I cannibalized it for the transmission and sold the corpse), I ran it over 5,000 miles without changing the oil. It didn't start getting nasty until the last few hundred. This is pretty good for a soot monster. I normally drain at 3,000 miles, just to be on the safe side.
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.
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  #7  
Old 04-08-2011, 04:20 PM
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I would love to see any oil testing others have been with your high mileage cars.
By the way, I love me some Amsoil, always impressed with the oil testing at the end.
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98 Jetta TDI with grease car kit + veg-therm (totaled)
87 MB 300SDL running on B99 / greasecar kit + 30 fphe
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  #8  
Old 04-08-2011, 04:33 PM
He/Him
 
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5W40 Mobil TDT in
- my 84' 300D (year round)
- my wife's 01' VW Passat 4Motion (year round)
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Onus probandi incumbit ei qui dicit, non ei qui negat

I recondition w123/w126/w124/w140/r107/r129/ steering boxes!


1984 300D "Elsa" odo reset 6/2011 147k
1983 300TD "Mitzi" ~268k OM603 powered
1995 E300 "Adelheid" 262k [Sold]
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  #9  
Old 04-08-2011, 06:27 PM
Stevo's Avatar
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Only Amsoil 15W40 in my diesels. Their 100:1 two cycle oil is great for the power saws and weed waters too, no more smoke.
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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

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  #10  
Old 04-08-2011, 10:28 PM
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Lubro Moly Synthoil Premium 5w40 or Pentosin HP2 5w40. LM used to be less expensive, but they cut the price on HP2, so I'll probably switch back to that once the Synthoil supply runs out.

Jay.
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On the road, currently:
'83 300D (German spec.) 168k mi. - - Wolfgang (tucked snugly away for the winter!)
'87 300D 375k mi. - finally went over to "The Dark Side"
'87 300TD 225k mi.
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  #11  
Old 04-08-2011, 10:49 PM
Hit Man X's Avatar
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Any of you gents run oil samples when you change it? And what is the OCI?

I just ran a sample on my Delvac conventional from the SD and will post the numbers once received. This was a six month OCI.

Just curious if I can run a 12 month OCI on my SD and SDL as they see maybe 500 miles a month.
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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.
[/IMG]
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  #12  
Old 04-08-2011, 10:54 PM
vstech's Avatar
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Quote:
Originally Posted by Hit Man X View Post
Any of you gents run oil samples when you change it? And what is the OCI?

I just ran a sample on my Delvac conventional from the SD and will post the numbers once received. This was a six month OCI.

Just curious if I can run a 12 month OCI on my SD and SDL as they see maybe 500 miles a month.
SHORT trips are the MOST destructive on a motor.
how many of those trips are too short to keep the motor up to temp?
__________________
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!
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  #13  
Old 04-09-2011, 02:04 AM
Hit Man X's Avatar
I LOVE BRUNETTES
 
Join Date: Sep 2004
Location: FUNKYTOWN
Posts: 9,087
Thumbs up

Quote:
Originally Posted by vstech View Post
SHORT trips are the MOST destructive on a motor.
how many of those trips are too short to keep the motor up to temp?


Well obviously, when I run many short trips I take the car on a good drive back to get the oil temp up.
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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.
[/IMG]
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  #14  
Old 04-09-2011, 11:11 AM
JHZR2's Avatar
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Join Date: Jan 2002
Location: New Jersey
Posts: 5,270
Im a mod over at bobistheoilguy, we have lots of discussions on the "best" oil. Im currently running schaeffer's 9000 5w-40 which is a great oil, but tough to get. Moving forward, Ill likely run Rotella T6 5w-40 with lubegrard bio-tech and LC20. Its just much easier to get.

I used to run Delvac 1 and then M1 TDT, but the two have diverged and since RTS is cheaper and easier to get, that will most likely be what I get.

Not sure any amsoil 5w40 is right for our cars, otherwise id consider that too...
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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)
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  #15  
Old 04-09-2011, 11:12 AM
JHZR2's Avatar
Registered User
 
Join Date: Jan 2002
Location: New Jersey
Posts: 5,270
Quote:
Originally Posted by Hit Man X View Post
Any of you gents run oil samples when you change it? And what is the OCI?

I just ran a sample on my Delvac conventional from the SD and will post the numbers once received. This was a six month OCI.

Just curious if I can run a 12 month OCI on my SD and SDL as they see maybe 500 miles a month.


Ive run and posted quite a few on here from a few years back. Do a search.

Key for these ID diesels is identifying rate of soot loading.

__________________
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)
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