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Old 11-12-2016, 12:56 PM
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Join Date: May 2016
Posts: 105
check this out guys

Mercedes Turbo Diesel engine OM603.961 Complete 3.0 Engine Runs great No blow by | eBay

hey guys let me know what you think about this motor. I was thinking this
would be cool hooked to my 190 5 speed and stuffed into my 78 240

it has the 14 head casting ?? head is supposed to be good right now but ??

if the head did ever fail how hard would it be to get a replacement ?
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Old 11-12-2016, 05:57 PM
babymog's Avatar
Loose Cannon - No Balls
Join Date: Jan 2006
Location: Northeast Indiana
Posts: 10,767
If you're near me I have a 603.960 long block and a complete 603.971 with all of the late parts to make that 3.0 run like a 3.5, for sale.
Late head
Late timing chain cover
Late vacuum pump
3.0L and 3.5L IPs
Bigger garrett turbo
Euro exhaust manifold
I don't think that a 603 will bring that much money, I expect a good complete one is closer to $800-$1,000 for a decent one.

Gone to the dark side

- Jeff
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Old 11-12-2016, 06:00 PM
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Join Date: Aug 2010
Location: Sacramento, CA
Posts: 2,472
Looks pricey, given the risk of it even working for you. Does your 240 have room to go from 4 to 6 cylinder? I have read of people installing a 5 cyl.

I bought an OM617.952 turbo off craigslist for $300 and came w/ starter and other accessories. Turned out to have like-new compression and appeared recently rebuilt. But that was unusually lucky.
1984 & 1985 CA 300D's
1964 & 65 Mopar's - Valiant, Dart, Newport
1996 & 2002 Chrysler minivans
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Old 11-13-2016, 12:20 AM
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Join Date: Apr 2012
Location: San Luis Obispo, CA
Posts: 1,511
That vendor is David Hendy, who is fairly active on this forum. I have only bought a couple of things from him over the years, but he has always been fair and honest.
1968 220D, W115, /8, OM615, Automatic transmission.
1987 300TD, W124, OM603, Automatic transmission.
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Old 11-13-2016, 07:28 AM
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love all animals
Join Date: Nov 2008
Location: bristol,tn
Posts: 5,164
if I had the money,I would buy it for my w140
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Old 11-13-2016, 09:46 AM
TheDon's Avatar
Open Discussion Moderator
Join Date: Oct 2005
Location: Windermere,FL
Posts: 13,206
603/606 will fit in a W123 and you only need to use factory engine mount arms. I looked st a 606 swap for my 240D and I can't recall if it's W126 engine mount arms you need or a combo. But there's so work to be done to make it happen

|1983 300D| OM617 239k Miles|Red|"Passion"|
|1982 300D Euro|OM617 NA| Thistle Green|"Granny Smith|
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Old 11-13-2016, 11:41 PM
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Join Date: May 2016
Posts: 105
So this is a nice engine but maybe i should try and find one with a later model head casting number? I like it obviously vause its higher power rating and will work with the 5 speed i came up with
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Old 11-13-2016, 11:43 PM
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Join Date: May 2016
Posts: 105
Is there a better motor i could come up with? More power? More reliable? I just want to stay away from anything with a computer

Want 100% mechanical. Really not happy even about the power windows in my car
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