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  #1  
Old 09-18-2013, 12:58 AM
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Bunk or Not?

Last night I went to the local watering hole, and I saw a guy getting out of a gold 380SE. He came into the bar, and after a while I asked him how he liked his Mercedes. He told me that he loved it, and got it from the son of the original owner who bought it in Germany in 1984 and imported it to the U.S. in '86. In the course of our conversation, he told me it had "double overdrive" that kicked in at 85 mph, and that this feature only came on certain Euro cars. I've never heard of that. Anyone have any idea what he was talking about?

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83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 362,xxx miles
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  #2  
Old 09-18-2013, 06:57 AM
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Double Overdrive is when the second Double Scotch kicks into your brain...if he had one.
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  #3  
Old 09-18-2013, 07:40 AM
t walgamuth's Avatar
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Yep. Did he mention it got better mileage at 85 than at 55 too?
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  #4  
Old 09-18-2013, 09:11 AM
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That sounds like "Double secret probation."
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  #5  
Old 09-18-2013, 01:25 PM
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Sounds like a double up shift occured? I know on my 420SEL I can have a double down shift..one if i squeeze the throttle to near the kickdown switch and two if i hit the switch...provided in at an appropriate speed.

There were no factory overdrive units that I am aware of.
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  #6  
Old 09-18-2013, 01:34 PM
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No. I would not bunk with him.

What type of bars are you going to?

MV
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  #7  
Old 09-18-2013, 01:59 PM
JB3 JB3 is offline
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My car has double overdrive every time its on a flatbed
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  #8  
Old 09-18-2013, 05:23 PM
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FWIW:

The impetus is to minimize overdrive use and provide a higher ratio first gear, which means more gears between the first and the last to keep the engine at its most efficient speed. This is part of the reason that modern automobiles tend to have larger numbers of gears in their transmissions. It is also why more than one overdrive gear is seldom seen in a vehicle except in special circumstances i.e. where high (numerical) differential gear is required to get the vehicle moving as in trucks or performance cars though double overdrive transmissions are common in other vehicles, often with a small number on the axle gear reduction, but usually only engage at speeds exceeding 100 kilometres per hour (60 mph).

http://en.wikipedia.org/wiki/Overdrive_(mechanics)
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  #9  
Old 09-18-2013, 06:27 PM
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How many overdrives does a 722.9 have? For that matter, how many reverses does it have?

MV
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  #10  
Old 09-18-2013, 07:46 PM
is thinning the herd
 
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Two and Two.
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  #11  
Old 09-19-2013, 01:42 PM
link's Avatar
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Quote:
Originally Posted by Skippy View Post
Last night I went to the local watering hole, and I saw a guy getting out of a gold 380SE. He came into the bar, and after a while I asked him how he liked his Mercedes. He told me that he loved it, and got it from the son of the original owner who bought it in Germany in 1984 and imported it to the U.S. in '86. In the course of our conversation, he told me it had "double overdrive" that kicked in at 85 mph, and that this feature only came on certain Euro cars. I've never heard of that. Anyone have any idea what he was talking about?

Did the person define what double overdrive is?
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  #12  
Old 09-19-2013, 01:58 PM
t walgamuth's Avatar
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Uhhhh, its like uhhhh, Warp speed, man.
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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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  #13  
Old 09-19-2013, 06:27 PM
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Quote:
Originally Posted by link View Post
Did the person define what double overdrive is?
All he said was that the transmission shifted a fourth time at 85 mph.
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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 362,xxx miles
08 Triumph Street Triple 30,xxx miles, lowered 10mm in front, Pirelli Angel GT tires, EBC HH brake pads, otherwise stock.
88 Jaguar XJS V12 92,xxx miles. I should be in the garage now.
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  #14  
Old 09-19-2013, 09:18 PM
t walgamuth's Avatar
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That would have been shifting into 4th.
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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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  #15  
Old 09-20-2013, 08:09 AM
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Assuming it starts in first, a fourth shift would be into fifth.

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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 362,xxx miles
08 Triumph Street Triple 30,xxx miles, lowered 10mm in front, Pirelli Angel GT tires, EBC HH brake pads, otherwise stock.
88 Jaguar XJS V12 92,xxx miles. I should be in the garage now.
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