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#1
05-07-2003, 12:47 AM
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Quiz for everyone
What was the first Mercedes car model that has (automatic) hydraulic valve lifters?
Eric 
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#2
05-07-2003, 01:31 AM
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Diesel or gas? I think the first diesel model to have hydraulic lifters was the 1984 190D.
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#3
05-07-2003, 11:04 AM
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Ah, Bob this would have been the 1963 600.... M100 Block.
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#4
05-07-2003, 02:23 PM
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I think this is a trick question. Lots of cars had hydraulic lifters by 1963... so I can't imagine them being that late with their first...
Therefore I am guessing this one was the first.....
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#5
05-07-2003, 02:24 PM
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....
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#6
05-07-2003, 09:29 PM
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Yup I'm the first diesel MB to have hydraulic lifters. As for the gas model I have no idea. Why is it that the 2.3-16 has mechanical lifters but the normal 2.3s are hydraulic.
__________________
1984 190D 2.2 Auto 220k 2001 Jeep Cherokee Sport 70K 2004 Lexus RX-330 ??K 2005 Chrylser Crossfire LTD 6K Play guitar? Go to www.cyberfret.com for free online lessons!
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#7
05-07-2003, 11:24 PM
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I remember hearing from someone that 450's, 1978 up had hydraulic lifters, I may not be right. I don't know about the FIRST though.
David
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#8
05-08-2003, 12:53 AM
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All MB engines that I know of had mechanical adjusters until 1976 or 1978, when the V8 went hydraulic, followed by all new engines after that.
However, Daimler Benz was noted for some rather exotic designs -- Eva Braun's sports car had dymanic wheel balancers, their staff cars for the German Army during WWII sometimes had mechanically regulated Roots blowers (at 3/4 throttle, the blower was clutched in, rasied the horsepower 30%), and at least one semi-production engine had shaft driven overhead cams, so I'm certain there was some engine produced early on with hydraulic tappets. No reason to expect it to be in mass production. They have used overhead cams exclusively since the 1930s, though. Benz is a rather conservative company that usually does it's homework before production -- they tend to use a design for a LONG time, but it is a good one to start with (the front end on my 280 SE started life on the Ponton of 1953, also the start of unibody construction, and was used, with ball joints, up to 1976, the "new" front end was used from 1972 to 1992, etc). As for the 2.3 16 valve, there simply may not be room in the head for the tappets and oil gallery. Peter
__________________
1972 220D ?? miles 1988 300E 200,012 1987 300D Turbo killed 9/25/07, 275,000 miles 1985 Volvo 740 GLE Turobodiesel 218,000 1972 280 SE 4.5 165, 000 - It runs!
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#9
05-08-2003, 10:44 PM
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Ah yes, very good point. Makes sense.
__________________
1984 190D 2.2 Auto 220k 2001 Jeep Cherokee Sport 70K 2004 Lexus RX-330 ??K 2005 Chrylser Crossfire LTD 6K Play guitar? Go to www.cyberfret.com for free online lessons!
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