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  #1  
Old 04-09-2008, 11:36 AM
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How much oil do I need?

How much oil I don't have a manual and I'm getting ready to do an oil change. How much oil do I need to put back in. I'm going with 15w40 and I have an 85 300d. Thanks!
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  #2  
Old 04-09-2008, 11:43 AM
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Between 7 and 8 quarts.
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Our all-biodiesel family
1995 E300D (W124) . .239,000 miles My car
1996 E300D (W210) . .313,000 miles Wife's car
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  #3  
Old 04-09-2008, 11:43 AM
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When I last did mine, I am pretty sure it was 7.5L of oil. I put in 7 to start with, and then filled a little, check the dip stick, etc etc.
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  #4  
Old 04-09-2008, 11:50 AM
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Cool thanks.
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  #5  
Old 04-09-2008, 12:07 PM
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Why not switch to synthetic and go with 5w40?
It makes sense to do so...
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"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy"

Current
Monika '74 450 SL
BrownHilda '79 280SL
FoxyCleopatra '99 Chevy Suburban
Scarlett 2014 Jeep Cherokee
Krystal 2004 Volvo S60
Gone
'74 Jeep CJ5
'97 Jeep ZJ Laredo
Rudolf 86 300SDL
Bruno '81 300SD
Fritzi '84 BMW
'92 Subaru
'96 Impala SS
'71 Buick GS conv
'67 GTO conv
'63 Corvair conv
'57 Nomad
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  #6  
Old 04-09-2008, 12:16 PM
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Quote:
Originally Posted by LUVMBDiesels View Post
Why not switch to synthetic and go with 5w40?
It makes sense to do so...
Why?
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"What could possibly go wrong?"

~Michael S.~ -
1986 M-B 300SDL, retired due to rust and electrical problems. Donated engine to:
1987 M-B 300SDL, odo dead. New project.
1982 M-B 240D, odo stopped at 308,000
1982 M-B 300SD, 175,000
1989 Dodge Ramcharger, 87,000 - 4wd, 318
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  #7  
Old 04-09-2008, 12:43 PM
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Well I ran the 300SD for 100K on synthetic and the engine was real clean inside. I would say that for removing sludge and gunk go with Syn. There is also the ablility to extend oil change intervals, but I did not do that.

One more thing is easier starts in colder weather with the 5W40 Vs 15W40 I noticed a big difference in starting ability when I went from dino Rotella 15W40 to synthetic 5W40.

Just some reasons...

Only reason why not to switch is the added cost, but I had figured it was cheaper than rebuilding the engine.
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"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy"

Current
Monika '74 450 SL
BrownHilda '79 280SL
FoxyCleopatra '99 Chevy Suburban
Scarlett 2014 Jeep Cherokee
Krystal 2004 Volvo S60
Gone
'74 Jeep CJ5
'97 Jeep ZJ Laredo
Rudolf 86 300SDL
Bruno '81 300SD
Fritzi '84 BMW
'92 Subaru
'96 Impala SS
'71 Buick GS conv
'67 GTO conv
'63 Corvair conv
'57 Nomad
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  #8  
Old 04-09-2008, 01:06 PM
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Well I got Castor oil 15w40. If she makes it to another oil change I'll switch to synthetic...
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  #9  
Old 04-09-2008, 01:52 PM
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Quote:
Originally Posted by rama777 View Post
Well I got Castor oil 15w40.
I doubt this.
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"What could possibly go wrong?"

~Michael S.~ -
1986 M-B 300SDL, retired due to rust and electrical problems. Donated engine to:
1987 M-B 300SDL, odo dead. New project.
1982 M-B 240D, odo stopped at 308,000
1982 M-B 300SD, 175,000
1989 Dodge Ramcharger, 87,000 - 4wd, 318
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  #10  
Old 04-09-2008, 01:53 PM
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The brand was something like castor...I don't know for sure...
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  #11  
Old 04-09-2008, 01:58 PM
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Castrol.

Castrol is good motor oil... really good motor oil, generally.

Castor oil is completely different, and less suitable for engine use.
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http://www.appstate.edu/~salleyms

"What could possibly go wrong?"

~Michael S.~ -
1986 M-B 300SDL, retired due to rust and electrical problems. Donated engine to:
1987 M-B 300SDL, odo dead. New project.
1982 M-B 240D, odo stopped at 308,000
1982 M-B 300SD, 175,000
1989 Dodge Ramcharger, 87,000 - 4wd, 318
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  #12  
Old 04-09-2008, 02:04 PM
LUVMBDiesels's Avatar
Dead on balls accurate...
 
Join Date: Aug 2006
Location: Red Lion,Pa
Posts: 2,207
Quote:
Originally Posted by bustedbenz View Post
Castrol.

Castrol is good motor oil... really good motor oil, generally.

Castor oil is completely different, and less suitable for engine use.

Unless you are flying a WWI vintage airplane!
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"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy"

Current
Monika '74 450 SL
BrownHilda '79 280SL
FoxyCleopatra '99 Chevy Suburban
Scarlett 2014 Jeep Cherokee
Krystal 2004 Volvo S60
Gone
'74 Jeep CJ5
'97 Jeep ZJ Laredo
Rudolf 86 300SDL
Bruno '81 300SD
Fritzi '84 BMW
'92 Subaru
'96 Impala SS
'71 Buick GS conv
'67 GTO conv
'63 Corvair conv
'57 Nomad
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  #13  
Old 04-09-2008, 02:50 PM
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Location: Livingston, TN
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My 77 300D book says 7.5. I have used Castrol GTX 10W40 for 150K with no problems.
ron
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  #14  
Old 04-09-2008, 03:04 PM
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Quote:
Originally Posted by Moorewr View Post
My 77 300D book says 7.5. I have used Castrol GTX 10W40 for 150K with no problems.
ron
How does the Gasser oil deal with the soot load?
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70's SPM #5608 Fairmont A-4 MOW car

06 VW Jetta TDI 210K miles

03 VW Golf TDI 5 speed 372K Miles

RIP--Lost in fire...82 300D 322K was My Daily Driver-On the search for a w126 now...

90 Dodge D250 5.9 Cummins/5 speed. 350K
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  #15  
Old 04-09-2008, 03:21 PM
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He won't know until it is plumb worn out.... LOL
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