Does anyone have at least one good (no cracks) one for sale? Probably will be needing two eventually.

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Jim

OK........what happened??

The 333k mile 2.5 turbo engine has a cracked head. Talked to the machine shop today and he found an indication at the #5 injector opening. I'd about forgotten how these aluminum heads are bad to crack if mistreated over heated.

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Jim

AFAIK, the 602 is not prone to cracks..........hmmm

It must have ran hot somewhere along the line.

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Jim

This was the proverbial argument on the 603 #14 heads. If they run hot.........they crack.

If the 602 can crack when run hot, then, I suppose that any newer 603 head.........17, or 22........can suffer the same fate.........don't you think?

Does injector opening mean not in the combustion chamber? Maybe someone muscled a prechamber into or out of the head causing the crack.

Initially I thought you were going to build a V10

Sixto
93 300SD 3.0

Nice! Sixto may be on to something there

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Dale

http://i52.photobucket.com/albums/g1...MG_2277sig.jpg

1990 300D 2.5 Turbo -155k
2000 E430 - 103k
2014 Jeep Grand Cherokee Ecodiesel 4x4 - 11k
2014 VW Passat TDI SE - 7k Bro's Diesel
2006 E320 CDI - 128k Pop's Benz

Pre-glow - A moment of silence in honor of Rudolph Diesel

lol - I'd like to have the block to build a v10.
I'll try to post pics when I get the head back.

Unfortunately, the 2.5 turbo I picked up for cheap is more than likely going to need a head. The coolant reservoir looks bad and the car is sporting a brand new radiator. I purchased it knowing it probably needed a head though. The funny thing about it though is that the car runs out good and does not overheat/smoke on start up.

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Jim