Danke Doktor!
Chris
Marshall Booth <[EMAIL PROTECTED]> wrote: Christopher McCann wrote:
> I'm talking about a perfectly healthy purring engine. I'm thinking:
>
> 1. Injection pump getting fuel up to pressure (BTW, what pressure does the
> fuel inject at on an OM617? OM603?)
> 2. The detonation under higher compression
New injector injection pressure for a non-turbo OM61x/60x Mercedes
diesels is 115-125 bar (1667-1812 psi) and 135-145 bar (1957-2102 psi)
for turbos.
The noise you hear from a diesel engine is the sound of combustion. It
can be made VERY quiet if the interior of the prechamber is very very
precise. As it accumulates residue or if the injection spray pattern and
pressure isn't precise, the noise increases. The properties of the fuel
also contribute to noise. Using noise as a tool to measure the
condition of a diesel is foolish. A perfect Cummins or Ford diesel makes
one heck of a lot of racket at idle while a Mercedes diesel shouldn't,
but it takes only a tiny flaw (a little soot in the prechamber, a little
nozzle coking or some air or water in the fuel) to make the Mercedes
sound as bad as the Cummins or Ford.
Marshall
--
Marshall Booth (who doesn't respond to unsigned questions)
"der Dieseling Doktor" [EMAIL PROTECTED]
'87 300TD 182Kmi, '84 190D 2.2 229Kmi, '85 190D 2.0 161Kmi, '87 190D 2.5
turbo 237kmi
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Christopher McCann, Squier Park, Kansas City, Missouri
-2005 Blue Point Siamese, "Rose"
-1992 Volkswagen Golf, diesel, 185K km, "Nanook"
-1987 300TD, 151K, "Rotkäppchen"
-1985 300SD, 211K, "Wulf"
-1976 240D, ?K, "AKP-Wagen" (Alternativen Kraftstoffs Prüfenlastwagen)
-1972 Jacobsen 21" Turbo Vent
-1971 Case 222 Hydrive, 12HP Kohler, 38" deck, Snowcaster, "One Banger"
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Subject: [MBZ] Another VIN check please.
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Hello Kaleb,
If these reports are still available, I'd appreciate getting one for this
VIN:
WDBAB50AXBB006978.
Thank you for all your help,
Omar.
