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#1
07-28-2013, 08:18 AM
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What's a cracked OM603 head good for now ?
Recently I purchased a #22 OM603 used from a friend - but it turned out to have three cracks between the 3,4, & 5 exhaust valves and the injector nozzles. I showed the photos to my friend and he refunded the money - but said to just keep the head since it is of no use anymore.
So, now I've got this head that I don't know exactly what to do with. I can pull the valves, cam, springs, etc, but is the head really only good for scrap aluminium? 
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#2
07-28-2013, 09:34 AM
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Check the FSM for acceptable crack size. It is not uncommon to have cracks between the valve seats. If it looks to be within the FSM specifications, have it pressure tested at a machine shop.
It might be just fine.
__________________
Greg 2012 S350 BlueTEC 4Matic 2007 ML 320 CDI 2007 Leisure Travel Serenity 2006 Sprinter 432k 2005 E320 CDI 1998 SLK230 (teal) 1998 SLK230 (silver) 1996 E300D 99k, 30k on WVO Previous: 1983 240D, on WVO 1982 300D, on WVO 1983 300CD, on WVO 1986 300SDL 237k, 25k on WVO (Deerslayer) 1991 350SDL 249k, 56k on WVO - Retired to a car spa in Phoenix 1983 380 SEC w/603 diesel, 8k on WVO 1996 E300D 351k, 177k on WVO
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#3
07-28-2013, 09:37 AM
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I was wondering the same thing with my old cracked head that's sitting in the basement...and then I stumbled across this website. Maybe some type of coffee table? GearHead Furniture Ideas | 9K Racing
__________________
97 S500 (90,000 miles) - wife's car 87 300D (298,000 miles and a replacement #14 head) 94 Suburban K2500 - need something to haul firewood 83 300SD (343,000 miles) (sold)
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#4
07-28-2013, 10:56 AM
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Thanks - I did have it pressure tested - but the cracks were not measured at all - jsut were identified as being cracks that were allowing pressure to be lost. The shop I used is the one our local indy recommended.
Furniture - made out of old Mercedes parts? Intersting, buy my wife would NOT endorse that.
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#5
07-28-2013, 11:45 AM
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I sold a cracked #18 on Ebay for about $170, without the cam. Buyer may have needed the prechambers, valves etc..
__________________
 Present 1987 300SDL 1991 300SL 1990 560SEL 2001 ML320 Past 1969 200D 1979-82 1983 300SD 1984-85 1972 250C 1982-02 1995 S350 2011 1997 S320 2012
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#6
07-28-2013, 11:56 AM
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Good suggestion saving the prechambers, etc . . .
__________________
http://i284.photobucket.com/albums/l...aman/Fleet.jpg Peach Parts W124.128 User Group. 80 280SL 85 300SD 87 300TD 92 300D 2.5 Turbo 92 300TE 4Matic
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#8
07-28-2013, 02:06 PM
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Quote:
 Charlie
__________________
there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works
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