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  #16  
Old 07-24-2007, 10:28 PM
Christian
 
Join Date: Feb 2007
Location: Western Mass
Posts: 132
But the point is: was there a substantive change in 1995? Did they fix the rod bending problem. If not, then he is lying....

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  #17  
Old 07-25-2007, 03:00 AM
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smoke gets in your eyes
 
Join Date: Jun 2000
Location: Eastern TN
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I have not seen this on official MB letterhead but presumably upgraded rods were installed as original equipment in W140 Diesels from VIN 260000. From the few I've seen, these cars have manufacturing dates of June 95 and later or thereabouts. This eBay seller says his is a March car. I heard the VIN is definitive, not the manufacturing date.

Short of buying one to take apart, I can't confirm the upgraded rods. On the other hand I haven't heard of a late production car having oil consumption problems or a replacement engine.

Sixto
87 300D
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  #18  
Old 07-25-2007, 03:43 AM
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smoke gets in your eyes
 
Join Date: Jun 2000
Location: Eastern TN
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EPC says that car came with engine 016050. EPC also says there was a connecting rod part number break between engines 013643 and 013644. Does that mean the stars are aligned?

Sixto
87 300D
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  #19  
Old 07-25-2007, 03:47 AM
ForcedInduction
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Sucks to be the person who got number 013643
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  #20  
Old 07-25-2007, 04:17 AM
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Join Date: Jun 2007
Location: Third rock, left coast
Posts: 102
Crank it!

Well here is my theory on the rod bending. My guess is that MBZ stroked the crank to get the extra half a liter in the 603 series engines. I have seen similar occurances in chevy V8's when a 383 stroker motor is built up. They use a 350 block and a 400 crankshaft. The extra displacement is achieved from the longer throw of the piston, also higher compression ratio. They make nice power but normally dont last long. I have seen many damaged rods and even sheared crankshafts from this practice.

As far as buying the vehicle is concerned even if it does give up just the cylinder head alone should bring in a nice peice of change on ebay if it is in good shape.

Eddie E.

87 300 SDL- 305K and looking for more
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  #21  
Old 07-25-2007, 05:27 PM
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Join Date: Jan 2003
Location: Reno/Sparks, NV
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Quote:
Originally Posted by cgunderm View Post
There is a 1995 S350D on ebay:
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&ih=020&sspagename=STRK%3AMEWA%3AIT&viewitem=&item=300133595669&rd=1&rd=1

They claim that MB corrected the weak rod issue after 1994. Here is their explanation. Have you heard about that? (They want over $17K for the car for this reason...)
I contacted the seller today and asked him how he can be so sure that this car has the updated rods. He said all cars built after 8/94 have them. I don't know about that.
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  #22  
Old 07-25-2007, 06:27 PM
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Join Date: May 2003
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If I can find the receipt, I will scan it and post it here in this thread.

My replacement 3.5 liter engine was manufactured in July of 1995. It failed after ~200K miles. And there was a bit of oil in #1, too. Along with a piston in shards.

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