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Old Nov 16, 2006 | 04:13 PM
  #1  
hapaschold's Avatar
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Default sd diesel engines

stupid question perhaps.

90 91 sd sdl diesel engines..... aluminum heads ? blocks ? had discussion with someone saying aluminum blocks also ?

need some light shed on the topic
 
Old Nov 17, 2006 | 06:49 PM
  #2  
Charles Munn's Avatar
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Default RE: sd diesel engines


ORIGINAL: ForcedInduction

Aluminium head, iron block. The 90-94 300SD/350SD also have the nick name "Rod Bender". They should be avoided at all costs.

If you must have a W126, the 86-87 300SDL is great. If you must have a W140, I suggest the S320.
What about the 86-87 300D T? Don't they too often have a cracked head problem?
 
Old Nov 20, 2006 | 09:08 PM
  #3  
mbz300sdl's Avatar
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From: Conway SC
Default RE: sd diesel engines

I agree completely with ForcedInduction but have seen 90-91s with a rebuilt or new 3.0 engine. not sure if this is possible with the 140 might be worth looking into if u find a 140 that has bent its rod and needs and engine.
 
Old Dec 4, 2006 | 11:50 PM
  #4  
dieselsteve's Avatar
Joined: Dec 2006
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Default RE: sd diesel engines

The W140 is an AWESOME car very complex. I have a 1992 300SD that did bend the rods, #1 and 6. I rebuilt the engine over $10K CDN to do EVERY THING and upgrade the rods etc. You can find shops that will do an engine for about $7500-8000 for this engine.
I had a 1987 300SDL great car, a tank, it will go forever. not to complex. the W140 is a very complex car but the ultimate MBZ in my opinion.

Steve
1992 300SD
 
Old Jan 3, 2007 | 02:52 AM
  #5  
irishcg's Avatar
Joined: Jan 2007
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Default RE: sd diesel engines

I was looking at purchasing a 1992 300SD that has a factory rebuilt 3.5 liter OHC 6-cylinder td engine. Would this be considered a rod-bender?

 
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