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It's a mechanical limited slip diff that change inside outside wheel speed that give more grip to the inside wheel when cornering improving the handling grip and feel. Much better turn in .
Also the V6 gearbox has a tendency to throw the diff out of the casing when driven properly this is a much improved piece of kit that helps prevent it :thumbs: :D
Alfa have their own version the Q2 same thing only the quaiffe one is cheaper at the mo but just as good .
 

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I had the same done at Autolusso. AWESOME! I knew the diff would be great but I'm amazed how much more lively the car is with the lightened flywheel. The combination of the 2 is superb and I'd recommend to anyone if you can afford it.
 

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I actually tried to make my quaife loose grip in the wet the other day and couldnt!

amazing piece of engineering!
 

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Discussion Starter #7
I started my journey home yesterday a bit gingerly but by the time I was close to home I was flooring it around roundabouts and the car just gripped and went, no trace of understeer at all - very confidence inspiring

Big thanks to Autolusso as well, really looked after me and the car - better service than I have ever had with a manufacturer main dealer and I can well understand how Autolusso are successful - they do what they say they will do and at all times in a pleasant manner - highly recommended
 

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Discussion Starter #9
The diff, clutch and flywheel are £1350 fitted.

Considering that a BMW specialist is currently charging £1985 just to fit the exact same diff I think its a bit of a bargain
 

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£1350 is good.

I had mine done at my local indie for less but they found a pre-enjoyed flywheel for me and I am known to them so perhaps I was charged a little less.

I had the Q2 rather than Quaiffe fitted but they are as good as each other.

You are right though Andy - the difference in performance is amazing. You can floor whilst steering and feel the diff sorting it. Before you constantly had to fight the steering whilst accelerating even moderately in a bend - sure it was fun and taught you to drive - but it slowed you down.

Q2/Quaiffe - essential for a V6.
 

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With this fitted this i wouldn't be able to rev it in second gears as i am going along at 40-50 mph


don't you just love this rain
 

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Sorry.. basic qn.. can the Quaiffe and flywheel been done independent of the clutch, as my clutch seems to be fine at the moment..

Cheers
Goose
 

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Discussion Starter #14
The flywheel requires the GTa clutch as well - even if the clutch was fine and there was no need to replace it you'd be crazy not to have it replaced at the same time when everything is apart

To my mind you would never replace the diff without replacing the flywheel and clutch and you'd never fit the single piece flywheel and new clutch without fitting the Quaife / Q2
 

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Slipped diff?

I thought the Quaife was a "torsen" (torque sensing) type of diff.

As I understand things, a "limited slip" diff works somewhat differently...

Any true experts out there care to clarify this?



It's a mechanical limited slip diff that change inside outside wheel speed that give more grip to the inside wheel when cornering improving the handling grip and feel. Much better turn in .
Also the V6 gearbox has a tendency to throw the diff out of the casing when driven properly this is a much improved piece of kit that helps prevent it :thumbs: :D
Alfa have their own version the Q2 same thing only the quaiffe one is cheaper at the mo but just as good .
 
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