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#1
02-23-2013, 08:22 PM
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Welding 240D head?
Can a cylinder head be welded? I found out I have a crack in my 1980 240D head. The guy at the machine shop told me about a shop that may be able to weld it. just wondering if anyone has had this done with any success? Thanks Rick
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81 240D 116,000 mi. motor, car 283,000 81 300D 155,000 81 300 unknown 81 300SD 221,000 
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#2
02-23-2013, 08:31 PM
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With the number of used OM616 heads available in the world, I wouldn't bother with welding.
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1977 300d 70k--sold 08 1985 300TD 185k+ 1984 307d 126k--sold 8/03 1985 409d 65k--sold 06 1984 300SD 315k--daughter's car 1979 300SD 122k--sold 2/11 1999 Fuso FG Expedition Camper 1993 GMC Sierra 6.5 TD 4x4 1982 Bluebird Wanderlodge CAT 3208--Sold 2/13
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#4
02-23-2013, 10:16 PM
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Just get another head. I wouldn't trust a 616 head that's been through enough thermal stress to crack it. The price of a used head is low and you'll have better confidence in the repair.
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 1981 300SD 512k OM603
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#5
02-23-2013, 10:29 PM
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in the 80's we used to get our ultra rare extremely rare Lee Sheppard race heads welded when the porting was too severe... it's an extremely complicated very very very very very difficult process to weld cast iron successfully...
brazing is possible on external cracks, but internal to the combustion chamber... pricey...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 560SL convertible 1987 190D 2.5-5SPEED!!!  1987 300TD 2005 Dodge Sprinter 2500 158"WB 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#6
02-23-2013, 10:30 PM
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Its cracked inside the cylinder area. I think i,ll get another used one . I,m finding some online for around $200. just need to figure out what yrs interchange now. Thanks for the replys.
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81 240D 116,000 mi. motor, car 283,000 81 300D 155,000 81 300 unknown 81 300SD 221,000
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#7
02-23-2013, 10:33 PM
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There are some on Car-Part.com...
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"Senior Luna, your sense of humor is still loco... but we love it, anyway." -rickymay ____ "Your sense of humor is still loco...  " -MBeige ____ "Señor Luna, your sense of humor is quite järjetön" -Delibes1982 300SD -- 211k, Texas car, tranny issues ____ 1979 240D 4-speed 234k -- turbo and tuned IP, third world taxi hot rod 2 Samuel 12:13: "David said to Nathan, “I have sinned against the Lord.” And Nathan said to David, “The Lord also has put away your sin; you shall not die."
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#8
02-24-2013, 08:00 AM
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I've got a couple of good 240 heads I will sell reasonably but the shipping to the NW would be considerable. I imagine you can find one locally.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#9
02-24-2013, 11:55 AM
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Quote:
Probably cam profile is different. Something like six horse power more. Personally I would not purchase an old head with the large glow plugs. There is nothing wrong with them except perhaps the lower power if complete and the issue with dealing with special adaptor type plugs to get away from the old series glow plugs. Especially in this economy you can make an offer for a head.The owner may fall away from their two hundred dollar desire. There are not a lineup of people looking for used heads for the 616 blocks. Last edited by barry12345; 02-24-2013 at 12:06 PM.
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#10
02-24-2013, 12:57 PM
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Did a search in your area for PNP and here are 2, a 82 and 83. actually punched in unlimited milage.
The head from PNP are around $50. 1980 is the first year with the pencil GP`s. 79 and older are the larger Loop plugs. Pick-n-Pull » Check Inventory Charlie
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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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#11
02-24-2013, 03:58 PM
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I like the power boost idea. I,ll try to get a later head if i can . I have a good stock pile of pencil glow plugs. I found a couple listed for $165 not sure how much to ship. Thanks for the info about the picknpulls I,ll have to check them out. I checked the one here in Tacoma only 300,s. I,d hate to drive down to Oregon only to find out somebody already got the heads. The motors still got good compression about 320 in each hole. Only thing I,m concerned about is the oil having coolent in it may have damadged the bearings.
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81 240D 116,000 mi. motor, car 283,000 81 300D 155,000 81 300 unknown 81 300SD 221,000
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#12
02-24-2013, 06:55 PM
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I'll sell one for $100 plus shipping.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual. [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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