[W126 Coupe] Differential swap

[gary peck]

I must live in a different world? my honey-do list she finished off last week now I have to purchase her wish list 1. new diamond ring and a 2004 E 55 AMG !!!
  ----- Original Message ----- 
  From: Axel Wulff 
  To: mbcoupes at mbcoupes.com 
  Sent: Monday, February 21, 2005 10:47 AM
  Subject: RE: [W126 Coupe] Differential swap






  Talbir, you are one lucky man.

  This is the kind of stuff I wish I could be doing on the weekends. Instead I have a list of "honey-do's" the lenght of my arm and have upgrades to my SEC that have been sitting in the garage for months. Simply no time to install them.

  Sounds awesome. Enjoy.


  Regards, 

  Axel J. Wulff 
  >From: "Sharan Bains" <sharanbains at hotmail.com> 
  >Reply-To: Mercedes Coupes Mailing Lists <mbcoupes at mbcoupes.com> 
  >To: mbcoupes at mbcoupes.com 
  >Subject: [W126 Coupe] Differential swap 
  >Date: Mon, 21 Feb 2005 13:39:29 +0000 
  > 
  >Changed the differential on my 560SEC on Saturday morning. 
  > 
  >My euro 560 had the 2.65 LSD and I decided to upgrade to a 2.82 in 
  >the interests of keeping highway refinement on that car. The 3.27 
  >will be fitted to my 500SEC 'AMG' which will be the 'fun' car.... 
  > 
  >Plus my 500E has the 2.82 - and with the 560SEC having the AMG 
  >camshafts plus the 722.370 tranny from a '95 w140 S500 (with the 
  >link to the EZL for super instant shifts), the power output and 
  >driveline are virtually the same. The stock euro 560 output is 
  >300bhp - add to that the AMG cams plus a free-flow exhaust and I 
  >have no doubt the power output is upto 330bhp. It certainly feels at 
  >least that (the diff was fitted over a month after the cams, so I 
  >have a direct feel for the power increase from the cams alone) - and 
  >the AMG cams do work superbly on the euro V8's. I am arranging for 
  >the 560 to be put on a rolling road to get a power output which 
  >should give a reasonably good guide to what power increase the cams 
  >give. The tranny and 2.82 diff maximise that power superbly. 
  > 
  >The diff was an easy swap if not a right pain in the backside : the 
  >twelve 10mm allen bolts holding the driveshafts to the diff were 
  >incredibly difficult to loosen. They come fitted from the factory 
  >with a decent grade of loctite.....and what an absolute nightmare. 
  >The three 19mm hex nuts on the prop shaft only took 40 seconds to 
  >undo. The twelve drive shaft bolts took 40 minutes ! 
  > 
  >Fitting up the new one was quick. As is the car now ! I simply 
  >cannot stop the rear 10J's spinning wildly...in any gear. It feels 
  >as quick as my 500E - although that car is a tad lighter and has 
  >more torque than my 560 (354 lbft vs 334 lbft), since the 500E M119 
  >had revised intake valves to give 22 lb ft more torque than the 
  >standard M119. So no doubt the 500E would outrun my 560 eventually,   
  >but the standing dash to 60 would be VERY interesting. I drove both 
  >cars one after the other yesterday afternoon and it really feels to 
  >me as though the 560 is faster to that point. 
  > 
  >But feeling and reality might be very different so I'm going to do 
  >some 0-60 standing start times next weekend, once I have fitted the 
  >ratio module to correct the speedo, then I shall post up the times. 
  >I'll be doing the 500E 0-60 times too. 
  > 
  >Anyone suggest the best method of timing, number of runs etc ? 
  > 
  > 
  >Carl Genberg told me I wold love the cams but love the diff even 
  >more. He was absolutely spot-on...as per usual. Thanks Carl ! Of 
  >course, my main objective with my 560SEC is refinement WITH 
  >performance.....I'm not looking for extreme performance (the 911 
  >Turbo SE is there for that), just sit-up-and-take-notice normally 
  >aspirated power. And I know that's been achieved.....just need to 
  >quantify it with some numbers on power and 0-60 runs. 
  > 
  > 
  >talbir 
  > 
  > 
  >The MB Coupes Website! 
  >W126 SEC Mailing List 
  >Postings remain property of MB Coupes, L.L.C. 


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  Postings remain property of MB Coupes, L.L.C.
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