All Things Mk5 > Performance Modifications
LSD now fitted and wow!
RedRobin:
--- Quote from: StuF on May 27, 2011, 11:31:04 am ---
What are the pro's and cons of fitting an LSD?
Not done much research into them if im honest, and whats the cost involved?
Do they improve the rate at which power can be applied to the wheels before grip is lost?
I.E what was fitted to the Mk1 Focus RS which made it a little "grabby" on hard accleration.
--- End quote ---
....If DSG, you most definitely want to use a professional workshop that has experience of fitting them.
A diff won't completely cure wheelspin etc if you are too heavy on the right foot but it sure jumps in and regains grip very quickly (assuming your tyres are in good condition). You can get on the power much earlier in exiting a corner. Of course, if you drive beyond a car's limits you are asking for trouble with or without a diff. It feels extremely reassuring.
QD MBE:
--- Quote from: PDT on May 27, 2011, 11:27:53 am ---A mechanical diff will give more power to the wheel with grip. An electronic diff will just apply the brake to the spinning wheel, hence most E-diffs are a bit pants.
--- End quote ---
My experinece was different than yours. The E diff was pretty good as found in the Roc R, very suitbale for Road use. Quaife in the Ed was good too, but I wouldn't bother again, unless tracking the car.
RedRobin:
--- Quote from: QD on May 27, 2011, 11:47:53 am ---
--- Quote from: PDT on May 27, 2011, 11:27:53 am ---
A mechanical diff will give more power to the wheel with grip. An electronic diff will just apply the brake to the spinning wheel, hence most E-diffs are a bit pants.
--- End quote ---
My experinece was different than yours. The E diff was pretty good as found in the Roc R, very suitbale for Road use. Quaife in the Ed was good too, but I wouldn't bother again, unless tracking the car.
--- End quote ---
....Funny you should mention trackdays - I was just about to post that it used to be said that "Don't bother to get a diff unless you're tracking, because you won't use it and it'll be a waste of money". However, you've only to enjoy driving spiritedly on B-roads and roundabouts to action the benefits of a diff. In real world terms it can make sure you retain grip when overtaking on exiting a dual carriageway roundabout without crossing into the lefthand lane. By the same token you can often lose an annoying tailgater through a roundabout but then change lane and let him pass if he's a lot faster. Braking late into a tight B-road twistie and accelerating out without losing grip but feeling it happen is tremendous fun. I personally prefer it to high speed open road driving which can get you into more trouble legally anyway.
But I think you are right in that a diff won't necessarily suit everyone's style of road driving :happy2:
I think the fact that VW have introduced an E-diff system as standard must say something about the need for a diff on the road.
Richn83:
All the MK5 GTI's have something similar to the XDS with the Electronic Diff Lock XDS is just a slightly more sophisticated software deployment and branded all its capable of doing breaking one wheel independently which forces the normal open diff to transfer more power from the brake wheeled to the other.
I have no experience with a LSD but I believe it will provide a more progressive movement of power from one wheel to the other and without cooking your brakes at the same time!
rich83:
Mk5 GTI doesnt have an E-diff.
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