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  #1  
Old 09-28-2003, 06:32 AM
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Join Date: Feb 2003
Location: Burbank, California
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Angry 92 300D 2.5 Turbo -Purchase pistons?

I am rebuilding a 92 300D 2.5 turbo. I need to get pistons. I have looked at many places. No one carries the piston. Fast Lane does not have it. Mercedes wants $480.00 for each piston. Grrrrrr. NO WAY!!!!!!!

I know that someone out there has them. Please send contact information on any shops in US or Canada or ?. I do not care about location.

Thank you

Nick

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  #2  
Old 09-28-2003, 07:24 AM
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Have you called Phil?

Sixto
95 S420
91 300SE
87 300SDL
83 300SD
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  #3  
Old 09-28-2003, 12:21 PM
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I don't have any pistons, but I do have some other stuff, including a 2.5T injection pump, if you need them.
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'91 300D 2.5 Turbo 330K
'00 VW TDI Golf, 190K
'67 BMW R50/2
'73 Norton Commando Interstate
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Old 09-28-2003, 01:36 PM
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Location: Evansville, Indiana
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That's the correct price, sorry.

They are a precision die-cast, not machined, and have some pretty fancy "scrollwork" on the inside for oil cooling. There is an oil jet in the crankcase that sprays oil up into the bottom of the piston to keep the crown from melting at full power.

Expect to pay about $2000 for the set -- the 603 set is $2500.

Peter
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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!
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  #5  
Old 09-28-2003, 04:46 PM
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smoke gets in your eyes
 
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Location: SF Bay Area
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Have you priced a rebuilt long block from Metric Motors? If the pistons alone are $2000, an MB crate motor doesn't sound much more expensive considering the warranty you get with it.

How about cutting your losses and looking for another 2.5?

Sixto
95 S420
91 300SE
87 300SDL
83 300SD
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  #6  
Old 09-28-2003, 09:48 PM
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Nick,

Why do you have to replace the pistons?

If you pistons are not destroyed, you can have the ring groves rebuilt. An automotive machine shop can put in a steel spacer to bring the ring lands to new size and you can use a stock ring set.

If your bores are worn, you can sleeve the engine. These 2 jobs will cost much less than new pistons. Check with your local machine shop.

P E H

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