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  #61  
Old 03-06-2007, 03:44 PM
Cervan's Avatar
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Location: olympia washington
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he will probibally tar up his oil gallery in the head causing it to not oil the cam and will destroy the top end good luck.

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  #62  
Old 03-31-2007, 04:24 PM
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no updates i guess.
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  #63  
Old 03-31-2007, 05:34 PM
ForcedInduction
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Originally Posted by Cervan View Post
no updates i guess.
It's hard for the OP to update it, he is still banned for a few more months.

Judging by his posts over at the BenzWorld forums, I hope the troll never comes back.
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  #64  
Old 04-01-2007, 12:25 AM
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One word

Quote:
Originally Posted by 240Joe View Post
4 Mar 07

Ok, I still haven't changed my oil in my 300D. Here's the stats

Oil 22kmiles 17 months
Filter 7kmiles 5 months

Added a quart of oil last week.

Hasn't blown up yet, but according to the crowd....she's gonna blow at any time.

240Joe
"DUMBASS" -Red Foremen, That 70s Show
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2008 SLK 280, Firemist Red - "Hurricane"
2001 F150 Lariat 4x4, Black on Black - "Badboy"
1982 240D 4 speed survivor -"Pearl" - Donated to Vietnam Veterans
1962 Oldsmobile Dynamic 88 -"Gertrude"

1954 model original owner - ~2.5M
Gray softtop/solid exterior/modified chassis

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  #65  
Old 04-01-2007, 07:52 AM
t walgamuth's Avatar
dieselarchitect
 
Join Date: Apr 2005
Location: Lafayette Indiana
Posts: 38,901
as a car hobbiest i have been hearing this tired and very bad old idea for the last 40 years.

doing this will absoultely insure that your engine will always have broken down worn out oil all the time.

and at the rate you are going you will not save any money on oil either.

everybody with experience knows that tired worn out oil will run through an engine a lot quicker than good fresh oil.

a hundred years of engineering and practical experience cannot be ignored without paying a price.

tom w
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.

Last edited by t walgamuth; 04-01-2007 at 08:01 AM.
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  #66  
Old 04-01-2007, 08:02 AM
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Quote:
Originally Posted by t walgamuth View Post

a hundred years of engineering and practical experience cannot be ignored without paying a price.

tom w

Christ, i knew you were a grampa and everything but you are really OLD!
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  #67  
Old 04-01-2007, 08:48 AM
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manic mechanic
 
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Location: cincinnati
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If I could get a decent bypass filter-I'd try it with Delvac 1-these engines are tough enough in the bottom end that I bet you could run 20K/change if you could keep the soot levels down.
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2004 Ford E-350 6.0 L PSD 227K
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1993 GMC Sierra C3500 6.2 142K
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  #68  
Old 04-01-2007, 08:58 AM
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Thumbs up

Quote:
Originally Posted by Ara T. View Post
Christ, i knew you were a grampa and everything but you are really OLD!


Hey now, Tom is a nice guy. He loves the M110 like I do!
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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.

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  #69  
Old 04-01-2007, 09:23 AM
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Quote:
Originally Posted by t walgamuth View Post

everybody with experience knows that tired worn out oil will run through an engine a lot quicker than good fresh oil.
You might find this tidbit interesting. It's a bit of anecdotal evidence to the contrary.

The SD always consumes about 1 quart every 2K miles after an oil change. It's pretty consistent right through 4K miles. However, as I near the oil change at 6K miles, the consumption has decreased to almost nothing. I'd hazard a guess that it consumed about 1 pint in the final 2K miles.

This is not to suggest that delaying an oil change is a good thing. However, the viscosity increase of the oil as it ages must have something to do with the decreased consumption.
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  #70  
Old 04-01-2007, 09:33 AM
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Brian,
there is probably a little oil consumption around s worn ring in your sd. When the oil looses it's proper viscosity, it wont be pulled up into the combustion side of the piston. Thus you probably see that you dont burn as much but the cooling properties and lubrication especially on your bearing surfaces decreases.
Many people have said that they can go without oil changes at the recommended times. I am currently in a diesel engines class that I am learning about lubricants. There might be slight results at first, but the soot that a diesel engine creates and the acid that gets into the oil will have long term effects on the engine. So, the engine might go a long distance until it needs to be fixed. But that fixing will require a bottom end rebuild and possible a full engine rebuild. So, all that oil you saved over time can pay towards new bearings, pistons, rings, seals, labor, etc. I have seen what lack or oil and contamination can do to an engine.

DK
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  #71  
Old 04-01-2007, 10:04 AM
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Originally Posted by dougk View Post
Brian,
there is probably a little oil consumption around s worn ring in your sd.
I'd bet against it. This engine has the original honing marks on the cylinders and it's compression allows it to start in one second at 0 deg.

I doubt the oil consumption rate of 1 pint per 1K miles is caused by worn oil rings.

My guess is that the turbo seals allow less of higher viscosity oil to pass when the oil is aged.
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  #72  
Old 04-01-2007, 10:39 AM
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Quote:
Originally Posted by ForcedInduction View Post
It's hard for the OP to update it, he is still banned for a few more months.

Judging by his posts over at the BenzWorld forums, I hope the troll never comes back.
Does he post about changing oil over there? All I saw was a bunch of nonsensical posts in their open forum.
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  #73  
Old 04-01-2007, 11:20 AM
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Quote:
Originally Posted by Matt L View Post
Does he post about changing oil over there? All I saw was a bunch of nonsensical posts in their open forum.
I believe he specializes in nonsensical posts as well as trolling.

Chris
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  #74  
Old 04-01-2007, 02:02 PM
t walgamuth's Avatar
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Join Date: Apr 2005
Location: Lafayette Indiana
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in my experience, when i go past my 3000 mile interval for oil change i am more likely to use some oil. this is using dino with older benz diesels and other things.

in recent years with better cars and some synthetic oil i am not really sure what is happening. none of my current vehicles are using any between changes.

i would have said though that viscosity decreases with miles.

tom w
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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  #75  
Old 04-01-2007, 02:07 PM
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Quote:
Originally Posted by t walgamuth View Post

i would have said though that viscosity decreases with miles.
I think we've seen enough of the oil analysis on the forum to conclude the opposite. There's a tendency for the viscosity to climb to the upper end of the allowable range on a synthetic oil when it's run 5K to 6K miles. Nothing dramatic, but, the accumulation of soot must be the culprit.

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