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#1
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OM602, OM605
Does anyone know if the head off of a 602 or a 605 will work on a 617? The 605 is 4 valv per cyl, crossflow. It looks like you'd either need to take the pistons from the 605 or have custom 617's made to keep the combustion chamber and valves happy. I was just poking around online when I came across these images so it made me think "wonder if anyone has tried this yet?" Thoughts? Experience? Wish we could get MB to release the info on the aluminum head on the 617 in the C111.
http://www.rectiduerosoria.com/mercedes%20om602.JPG http://www.rectiduerosoria.com/mercedes%20om605.JPG |
#2
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the one with the 4 valves looks bigger to me, I dont think it'd work
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hum..... 1987 300TD 311,000M Stolen. Presumed destroyed |
#3
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Quote:
http://www.peachparts.com/shopforum/diesel-discussion/248826-om605-6-piston-advice-post2318488.html It looks very similar to the 617. Of course since my eyes aren't tape measures and the picture scale is hard to judge who knows Last edited by Scruffyguy1981; 11-20-2009 at 06:22 PM. Reason: added link, realized my eyes are in fact not tape measures |
#4
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I don't know the answer for sure, but I have to believe that if it could be done it would already have been done by one of the performance freaks around here and there'd be loads of info posted about it...
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1984 300 Coupe TurboDiesel Silver blue paint over navy blue interior 2nd owner & 2nd engine in an otherwise 99% original unmolested car ~210k miles on the clock 1986 Ford F250 4x4 Supercab Charcoal & blue two tone paint over burgundy interior Banks turbo, DRW, ZF-5 & SMF conversion 152k on the clock - actual mileage unknown |
#5
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Quote:
Nick |
#6
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The pistons on the 4v engines are relieved in the center of the piston, which is where the prechamber is located. The 2v engines have that relief area offset to accommodate the prechamber which enters the combustion chamber from the side. So no, without swapping pistons, you're not able to exchange the two heads. I think the deck area (the mating surface) between the head and block are the same.
Some of us do spend quite a bit of time modifying MB engines. I got my start tweaking VWs |
#7
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Quote:
IF you swapped out the pistons, I'd bet you could put a 604/5/6 head on a 601/2/3. With the cost and labor though, it would be cheaper and easier to buy an entire used 604/5/6. |
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