[grappa]

If the McLaren actually has a transmission with clutches,like the Ferrari 458 or Porsche PDK
then why does it creep when you let up on the brake ? Do the clutches slip a little when you release pedal pressure ? Are they slipping even when there is pressure on the brake ?
How long will the clutch last if it is slipping ?

 

[andy c]

If the McLaren actually has a transmission with clutches,like the Ferrari 458 or Porsche PDK
then why does it creep when you let up on the brake ? Do the clutches slip a little when you release pedal pressure ? Are they slipping even when there is pressure on the brake ?
How long will the clutch last if it is slipping ?

The clutch will last as long as the gearbox,they expect virtually no failures up to 100k miles and suggest they could see them lasting 300k miles

 

[grappa]

Thanks but my big question is why the creep? The clutch can't last long if it's slipping,can it ?

 

[360]

Thanks but my big question is why the creep? The clutch can't last long if it's slipping,can it ?

It is not like a traditional dry plate clutch relying on a friction material gripping fly wheel but is a wet clutch that relys on oil pressure forcing plates together . Bit of a simple explanation but bottom line they don't wear out and do suffer from low speed creep

 

[ergoproxy]

I thought the creep was intentional. It's more natural and might obviate a hill-hold. Ferrari's dual doesn't creep. I can't recall whether PDK does, but it is the smoothest I've driven. Did you get yours from lake forest, grappa?

 

[bruce]

I prefer the creep but it takes a lot of getting used to

 

[Gazza]

I thought the creep was excessive.

 

[grappa]

Yes,I got mine from Lake Forest.
As far as the creep goes I am undecided. It works well pulling into the garage etc. but not so well when doing 3 point turns and such.

 

[Naranja]

My GTR (dual clutch system obviously) has creep engineered into it for the drivers benefit, I quite like the amount it has, slightly less than a slush 'box but makes the car much smoother to drive at low speeds. The amount of creep is adjustable however, I can have the touch points adjusted to zero creep if so desired, surely this is available for the 12C?