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  #1  
Old 02-14-2006, 11:23 AM
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560sl limited slip differential swap into a 450sl

Could a "limited slip" 560sl differential be successfully transplanted into a earlier 450sl since they are both 107 chassis cars ? Is it a bolt on deal, or would extensive mods be required ? I need the limited slip option on my 1979 450slc 5.0. Thanks !

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Old 02-14-2006, 12:05 PM
t walgamuth's Avatar
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Join Date: Apr 2005
Location: Lafayette Indiana
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idont know

i suspect yes.

according to my mb buyers guide, your 450 would carry a 307. the 560 is a 247.

so that will give more relaxed cruising but give a little less grunt on takeoff.

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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Old 02-14-2006, 04:29 PM
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I think the 450 5.0 slc has a shorter rear-end similar to the 560, but I could easily be mistaken... Haven't researched in a while. The 380 had as an option available, a limited slip. You might find one at a salvage yard or similar. It was a taller gear than the 450 if I recall correctly. Jon Hodge has a 5.0 with rear end he is scrapping/parting out. Look up jono.mbfans.net and e-mail him...
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1988 560SL

"Where is it again that we are going, and why are we in this handbasket"?
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Old 02-14-2006, 07:44 PM
t walgamuth's Avatar
dieselarchitect
 
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Location: Lafayette Indiana
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yeah

i missed that it was an slc 5.0. it wouldnt surprise if it is different. the book shows the 380 as the same as the 560, 247. later 450 sls had a 265, after '79.

so it could be about anything.

since the slcs were raced and ralleyed i suspect that you might find a number of different ratios available depending on what kind of conditions it might be used under.

good luck

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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Old 02-14-2006, 10:50 PM
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According to my research, I offer the following (all automatic tranny ):

560----------2.47:1 LSD standard equipment
380----------3.27:1
450----------3.07:1
*450---------3.06:1 US 1979
*450---------2.65:1 US 1980
450SLC 5.0---2.72:1

Like T Walgamuth said, the 450SLC 5.0 was a hybrid, fresh from the rallye stables. Ratios may have been many!

The above info from ourSL.com... Your research may vary.
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RM Smith
1988 560SL

"Where is it again that we are going, and why are we in this handbasket"?
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Old 02-15-2006, 11:18 AM
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jbucking,

Post back and let us know how you get along. If you do swap, please document with pics for the group here...

Good Luck!

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RM Smith
1988 560SL

"Where is it again that we are going, and why are we in this handbasket"?
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