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  #1  
Old 11-25-2009, 04:14 PM
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Join Date: Oct 2009
Location: Palm Beach Gardens
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Has anyone swapped a transmission

I was thinking about how much more fun to drive this car (1980 450sl) would be with a 4 or 5 speed standard transmission and a better rear running gear.

Is there anyone here who has swapped out the automatic for a standard?

Is it even possible?

Is there a kit?

Didn't the 1975 have a little better performing rear end?
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  #2  
Old 11-26-2009, 11:54 AM
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I haven't seen a kit, and I'm sure it could be possible, but the time and effort it would take, it would probably be a hassle. Odds are you'd have to cut a new hole for the stick to come up through the tranny tunnel, as well then install the clutch assembly with the pedals. I've seen it done in american cars, but then it may require tuning for the proper gears matching the engine. It would be cool to do, but I do not know how easy or practical it is.
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Old 11-26-2009, 12:51 PM
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I think member alabbasi had most of the parts for sale at one time.
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  #4  
Old 11-26-2009, 01:14 PM
Brian Ostosh
 
Join Date: Mar 2007
Location: San Diego
Posts: 504
I have a friend with a 5.0 and 4 speed manual SL.
Yes this puts the fun into an SL
All factory parts available to do the swap.
Just buy this car from him.
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  #5  
Old 11-26-2009, 02:25 PM
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In addition to the difficulty mentioned by Novaguy engines 117.982 to 117.985 have different assembly bolt location for trans than 117.986 onwards and only 3-speed auto boxes are available for those engines as there is no manual box for the 450 SL/C as Mercedes has no homologated manual box for the 450 engine. The 4 & 5 speed are not interchangeable with 3-speed auto in the 450 engines due to different bolt location holes on the intermediate plate. But given unlimited resources anything is possible.
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  #6  
Old 11-27-2009, 11:07 AM
88Black560SL
 
Join Date: Oct 2004
Location: NC
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Quote:
Originally Posted by panzerwagen80 View Post
I was thinking about how much more fun to drive this car (1980 450sl) would be with a 4 or 5 speed standard transmission and a better rear running gear.

Is there anyone here who has swapped out the automatic for a standard?

Is it even possible?

Is there a kit?

Didn't the 1975 have a little better performing rear end?
4 speeds were available on the early 350SL. 5 speeds were an available option for the AMG 500SL's. The pedal cluster was used right up to the end for the 1989 300SL.
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