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#1
01-29-2006, 04:16 PM
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OM617 engine from wikipedia
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#2
01-29-2006, 04:43 PM
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"Power output was 123 hp (91 kW) at first but rose to 125 hp (92 kW) in 1983."
Amazing! MB somehow figured out how to extract 2HP out of the engine after 4 years of production! What gave them this power rush? Not a "cold air" filter kit, that's for sure.
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#3
01-29-2006, 04:48 PM
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well they could of pulled one like the big three would during the muscle car days .. saying the engine for lets say 67 had 20 more horse than the one from 66 but in reality had a total of 350 but the first year running said it had 300.. and just kept saying they added power to it but they really didnt.. ya dig?
i thought my 300d had 90hp.. now it has triple digit.. alllright
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#4
01-29-2006, 06:08 PM
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Quote:
__________________
Adam Lumsden (83) 300D Vice-President of the MBCA International Stars Section
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#5
01-29-2006, 09:39 PM
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The big three did a lot of messing with the numbers (usually understating the actual power) during the muscle era. I used to be really into muscle cars and had a lot of the published horsepower and torque figures memorized, along with the unofficial (and probably exagerated) "real" estimates from the magazines and others.
After a half-dozen (and then some) speeding tickets, my attitude has changed a bit. I still enjoy driving a fast, powerful car when I get the chance, but for the most part I'm happy with anything that will hang with a loaded Peterbilt. Years ago I saw a VW billboard ad that summed it up pretty well, "0-60? Yes."
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar. 83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles 08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles 88 Jaguar XJS V12 94,xxx miles. Work in progress.
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#7
01-30-2006, 05:16 AM
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no
i bet they actually do make 2 more hp.
the germans MUST BE PRECISE! on my old 72 bmw motorcycle they had the specs all spelled out. top speed, upright: 104 mph top speed crouched: 108 mph. count on it, there were two more hp. tom w
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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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#8
01-30-2006, 08:33 AM
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Read it again - is it 123 or 125?
Excerpt:
"OM617.952 The revised OM617.952 also displaced 3.0 L but was now 2998 cc with a 90.9 mm bore and 92.4 mm stroke. Power output was 123 hp (91 kW) at first but rose to 125 hp (92 kW) in 1983." Applications: 123 PS (121 hp/91 kW) 1981-1983 300D Turbo 1981-1983 300CD Turbo 1981-1983 300TD Turbo 125 PS (123 hp/92 kW) 1983-1985 300D Turbo 1983-1985 300CD Turbo 121hp should be 90.23kW 123hp should be 91.72kw - rounded to 92 I'll agree with... 125hp should be 93.21kW Wikipedia is always a great source of informational errors - Look at http://en.wikipedia.org/wiki/Mercedes-Benz_W123 When did 123 body offer a 5 speed? 123's with ABS? US cars - "Automatic transmission cars have column switch" - is this the gearshift or ignition switch? Many European car journals used to refer to column gearshift lever as 'Column switch'... bnc
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#9
01-30-2006, 08:57 AM
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i dont know
when they were offered but the 123s were available other places with fivers. i have a 84 280e euro.
the column shift with bench front seat i believe was offered in europe too. i have never seen one. tom w
__________________
[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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#10
01-30-2006, 09:01 AM
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As someone once said, the Germans feed their horses something different. This was in reference to published horsepower numbers between German and US manufacturers. There are lots of tricks to play. One of them is to remove all of the accessories including the water pump (and I've heard mention of the oil pump, but I've not seen confirmation of it) fan, etc. Another is to feed it nice cold air and remove the exhaust system. Technically the engine is developing that much horsepower, but the parasitic loss that is needed to actually run the engine isn't included. There is also brake horsepower (metric), rear wheel horsepower, and SAE horsepower. SAE HP = 1.01387 "metric" horsepower.
For me the bottom line is the torque/hp curve. I honestly don't care if the engine makes 500hp at 6000rpm, I'll never see it. I want a flat-ish torque curve. Some of the straight-6 gas engines have a very flat (read: nice) torque curve. I'd love to see the torque curve for a NA 300D engine. I've seen the posted dyno runs for a couple of turbo'd 300TDts on this board. -Tad
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1995 G320 2003 C230 Kompressor Coupe 2005 ML500 2007 ML350
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Not that it matters anyway, if I wanted more HP i'd have a different car.
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