32 replies to this topic

[Rosssco]

I have 4pots and they're a must for me

I bet you couldn't tell the difference if you were blind folded into two cars, one with 4 pots and one without.

Blinded folded driving, what fun..

[SteveA]

I have 4pots and they're a must for me

I bet you couldn't tell the difference if you were blind folded into two cars, one with 4 pots and one without.

As a road car the limitation on brake force is the tyres not the calipers. On track however the 4 pots will reduce fade.

[Rosssco]

Interestingly, was in an Exige S 260 (something) at the weekend, and the owner commented that he noticed little if no difference / improvement in performance between his current AP 4-pot shod car, and his previous Exige that had standard 2-pots and good discs, pads and fluid, and he does quite a few tracks by the sounds of it.. Seems to support the above statements..

[siztenboots]

when you have got to the thermal saturation point of the standard sized pad, then the extra surface area from a 4pot is going to extend that limit or adding more grip (tyres/suspension/setup) so you can corner faster , means a lot less brake power needed

[ArticMonkey]

You won't get much better stopping power from the 4pots, just more endurance. They will last longer and won't fade like 2pots with heavy use will, though. The're not a must unless your doing 8+ track days a year and like your long sessions. TBH I have never had an issue with the 2pots and pagids I run (apart from that ABS sh!t). Then again I have just bought AP 4pots . Not because I need them, more just to aid me next year on track (and they were bloody cheap). Plus its abit of bling, which I'm sure is the reason JG has a set.

Edited by ArticMonkey, 10 September 2012 - 04:15 PM.

[P11 COV]

The four pots on my VX can be worse than the standard calipers....if you put the wrong pads in. Also my 4 pots with CL5+ pads (good pads imo) were rubbish for a while until I swapped the brake fluid. There is so much more to it than increased numbers of pistons and bigger discs. The only advantage i see to 4 pots and bigger discs is better cooling and therefore less fade when being worked hard on track. If you drive like that on the road you wont have a liscense for long and there wont need the better brakes! As for more power needing better brakes... Well a standard turbo is well capable of getting to 120 mph in very little time on the road. Are you going to regulary exceed that just because you have more horses? Yes you may get there a few seconds quicker but the required stopping power is still the same

[P11 COV]

The four pots on my VX can be worse than the standard calipers....if you put the wrong pads in. Also my 4 pots with CL5+ pads (good pads imo) were rubbish for a while until I swapped the brake fluid. There is so much more to it than increased numbers of pistons and bigger discs. The only advantage i see to 4 pots and bigger discs is better cooling and therefore less fade when being worked hard on track. If you drive like that on the road you wont have a liscense for long and there wont need the better brakes! As for more power needing better brakes... Well a standard turbo is well capable of getting to 120 mph in very little time on the road. Are you going to regulary exceed that just because you have more horses? Yes you may get there a few seconds quicker but the required stopping power is still the same

[JohnTurbo]

All the big manufacturers fit tiny plain discs and piddly 2 pots to their supercars. Its because they came on here and read that it was best. They fit good pads though! Its the last word in braking! ;-) ;-) ;-)

[slindborg]

288mm isn't tiny but hey.

[JohnTurbo]

I bet 288mm looks *enormous* to some people. ^^

[slindborg]

287mm longer than mine

[JohnTurbo]

:-D

[Steffen]

As a road car the limitation on brake force is the tyres not the calipers. On track however the 4 pots will reduce fade.

That's correct!
You can only increase the brake power if not alle the 4 tyres are braking near the limit.
With the OEM brakes on the rear it doesn't do it!

In the italian LLCC (Lotus ans Light Car Challenge) everybody which is fast has 2 pot on the rear,
The most also 4 pot on the front, but 2 pot onn the rear is a must have for the track use.

Somebody has seen the rear brakes from the new Exige V6?