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Old 01-28-2008, 09:29 PM
turbobenz's Avatar
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Join Date: Nov 2007
Location: Cameron Park CA
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Injection timing for a 617 engine

My uncle called me today and wanted to know what the "injection timing" for a 617 is. He has a 85 wagon that broke a timing chain and blew up the engine. Its still in the mechanics hands and they cant get it to stop smoking black now that the engine has been rebuilt. The mechanics think the injection timing is the problem, and need to know the correct spec. I have a mercedes service manual (i beleive it came with my car) that gives you technical advice like how to hotwire it and adjusting the valves, but I couldn't find injection timing anywhere.

My guess is the answer is something like for example "24 degrees past a certain point on" (24 degrees sounds familiar?). I may be completely wrong. And what sucks is that the mechanic is an old guy and doesnt know what internet is and I will have to snail mail him the timing. Oh well

Shouldnt there be a sticker by the radiator or something? I couldnt find one.

1981 300SD 512k OM603

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Old 01-28-2008, 10:35 PM
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Location: Weston, FL
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I believe its 24 BTDC on the crank pulley for your engine. Here's a write up on the 616 but its the same for the 617.

1982 Mercedes 240D, 4 speed, 275,000
1988 Porsche 944 Turbo S (70,000)
1987 Porsche 911 Coupe 109,000 (sold)
1998 Mercedes E300 TurboDiesel 147,000 (sold)
1985 Mercedes 300D 227,000 (totaled by inattentive driver with no insurance!)
1997 Mercedes E300 Diesel 236,000 (sold)
1995 Ducati 900SS (sold)
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1977 Corvette L82 125,000 (sold)
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Old 01-29-2008, 12:26 AM
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If he doesn't even know what the timing is supposed to be then he most likely does not have the tools needed to properly adjust timing.
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Old 01-29-2008, 12:35 AM
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Join Date: Dec 2003
Location: Metro Detroit, Michigan
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ShopForum > Do It Yourself Links & Resources > DIY Links by Parts Category
Diesel Injection:
Diesel Injection:

ShopForum > Do It Yourself Links & Resources > DIY Links by Parts Category
Engine Mechanical:
Engine Mechanical:

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