Results 1 to 21 of 21
10-01-2013, 01:23 PM #1
Quaife LSD Installed on E550 Coupe!!!
Yesterday was the big day, and now I have an E550 Coupe with a Limited Slip Differential. Maybe even the very first in the world! This assertion has not been confirmed, but I'd like to think it's true
Anyway, the folks over at At Speed Motorsports (Hanover, MD) did a great job even though it took longer than the quoted 5 hours. That estimate was based on a C63 install a few weeks back. Apparently, the interface between the half-shafts and the differential is quite a bit different and necessitated the disassembly of the right-rear suspension and removal of the right half-shaft. But the process only added 2 hours to the project.
As advertised, there isn't any observable difference in regular driving. The Quaife is as smooth and silent as the stock unit. I haven't had the opportunity to really hammer on it (I'll give it a few miles to break in) but, during a "spirited" merge from a cloverleaf, the car was controlled and predictable without any interference from the e-nannies - a very new experience. The ESP light blinks a lot less, too.
I managed to get a few mid-install pics. Enjoy.
10-01-2013, 11:34 PM #2
10-02-2013, 09:15 AM #3
So far, so good. I was making a fast left at an intersection this morning and, due to oncoming traffic, was a little heavy on the accelerator. All I got was one small chirp and I was gone! In the past, I would have had a good bit of wheelspin and then gone powerless as the ECU cut fuel - my biggest complaint about the car. Now if I can only get rid of that stupid rattle in the roof panel...
10-02-2013, 11:39 AM #4
10-02-2013, 07:46 PM #5
Impressive results so far on the street... do you plan on bringing it back to the track anytime soon?
10-03-2013, 07:54 AM #6
I may do a Hyperdrive on November 2 at Summit Point, and I think another trip to MIR is warranted; maybe mid-October.
10-03-2013, 07:55 AM #7
Actually, scratch the Hyperdrive - there are no more openings. I guess I waited too long to sign up.
10-03-2013, 11:19 AM #8
10-03-2013, 07:58 PM #9
10-04-2013, 02:57 PM #10
Awesome set of pics thanks for the update!
Regarding performance on the strip I don't think you will see too much of a difference there.
In turns as you posted though you will notice a large difference as you indicated. Regardless, must have upgrade on these cars.
10-06-2013, 07:26 AM #11
It's a real shame that MB doesn't offer this as a factory option.
10-07-2013, 08:59 PM #12
10-12-2013, 10:42 PM #13Member
- Join Date
- Sep 2012
- Rep Points
- 14 Post(s)
- Rep Power
10-15-2013, 02:10 AM #14
10-16-2013, 08:18 AM #15
The car allows you to turn stability control off but not traction control, and there is no TC or ESC button - ESC is disabled via the instrument cluster menus. The only way to turn all the computer nannies off is to put the car in dyno mode. Full throttle anywhere in a turn, in any gear below 4th, results in a nice-to-serious slide/major oversteer. This car just has too much torque for the Conti ExtremeContact DWS all-season tires - even with the extra width. But they are just about worn out so they'll be replaced with Bridgestone Potenza S04 Pole Position summer tires in the spring. Maybe they will allow me to get a little heavier on the right peddle. In the meantime, the factory wheels and tires are going back on for the winter; they are going to make for some interesting driving after getting used to all the extra traction
10-16-2013, 08:33 AM #16
10-16-2013, 09:37 AM #17
10-16-2013, 04:30 PM #18
10-16-2013, 07:05 PM #19
10-16-2013, 09:44 PM #20
10-17-2013, 07:40 AM #21