Brake Upgrade Group

Post by **TarmacTerrorist** » Sat Dec 18, 2004 4:38 pm

DaveP wrote:Indeed the 6 pot billets are Movits own calipers, made in-house at the factory....the discs are their own design too, made for them by a supplier...

They also do their own design 4 pots now as well....monobloc ones...I don't know whether they still do any Brembo modified calipers.

Details here specify a 108sqcm pad surface area for the 6pots :- http://www.movit.de/images/fly04.pdf

Dont mean to be a kill joy on this but there are a couple of things that are crossing my mind that should really to be taken into account with this new direction from Movit.

With the original setup from them using modified brembo callipers and disks from the GT2/3, all the spares you will require can be ordered from any Porsche dealer or independant pad and disk supplier as they are off the shelve items and you will have a full range of pads from different manufacturers to choose from. Is this new design from Movit going to force you to have to return to Movit/QST for your consumables? Not that its too much of a major problem, it's just that it's always nice to have a choice in these things.

Also, I think you should all be aware that there has been passed discussions on here regarding wether it is advisable/safe to uprate the fronts to 6 pot's without uprating the rears. By doing this you may well upset the braking balance of the car, dont know, haven't been there, can't tell you, sorry! Robins probably the man to ask as he has played around with the brakes quite a bit on an rs4 (nordshclieffe (sp?)). 4 pot brembo is well proven with stock rears. However these new billet have a smaller surface area than the 6 pot brembo's.

Just a word of caution really, and as Simon says 'do you own research'.

Gav

Post by **DaveP** » Sat Dec 18, 2004 5:45 pm

I'm pretty sure that you're not tied into having to buy Movit pads Gav...I believe the 4 pot rears that we got take the same pads as the old 4pot brembo calipers (Gordon got some race ones from JR I believe)..

I did ask the question when we were at Movit, and think (bit hungover today!) I remember Guido saying that there were lots of pads that would fit...

Post by **Jani** » Sat Dec 18, 2004 6:49 pm

The 6-pot pad size is standard Porsche according to Movit (visited them also in November). Movit recommend their pads, and pricewise that is not a problem, cost no more than Porsche pads. I have a 6-pot front, 4 pot rear Movit waiting to be installed, at least some pads were Jurid when I looked at the backside.

The 4-pot was still Brembo GT2 then, with some 25 Movit specific changes to it (according to them). The reason they are changing direction is that making the required changes to GT2 caliper takes time and effort. When they CNC the calipers from billet, the design is easier to manage. Besides it is stiffer and better.

Post by **VST** » Sun Dec 19, 2004 12:10 pm

£2300 for the six pot kit Simon? with the old GT2/4pot 380 kit £2800+vat.
I think you might have the prices mixed up

Regarding consumables,pads as Jani pointed out,can be sourced from Porsche,Pagid etc,bit in general the Movit ones are priced pretty ok.
Discs on the other hand cannot be bought from Porsche,as the older Movit kits used Porsche discs with the hats/bells machined off and with Movits own alloy bells fitted and the new billet 6 370mm kit uses a 370x35mm disc which is Movits own design and obviously cant be bought elsewhere.
Movit will only sell replacement discs complete with bells unlike other manufacturers who will sell a disc on its own.

The old 380mm 6pot Movit kit(as seen on Bushys car?) used afaik the 6pot Porsche Caliper from the 996 Gt2 most likely with tweaks by Movit themselves.

Post by **simple1** » Sun Dec 19, 2004 12:24 pm

I think you may be rigth, there have been so many calls and mails, I have lost count and then puter died in the middle, will talk to Kim on Monday and find out exactly what is what

Post by **RS4ever** » Mon Dec 20, 2004 12:43 am

I believe that 4 pots with 380mm disks are better on the track but 6 pots with smaller disks are better if you are discussing brakes at the pub.

4 pots for me then but it depends on the price tbh.

Can either 4 or 6 be run with quattro gmbh rears?

Post by **Jani** » Mon Dec 20, 2004 6:59 am

The weight being on "I believe..."

Well I believe the 6 is so much stiffer than old design cast 4-pot that it is better, despite 2.7% smaller disc. But that really doesn't matter, just bearing in mind that in another thread one guy thinks his troubles with EGT-sensor are similar to Christ's sufferings

The 380x32 discs are more prone to warping and cracking than thicker and more robust 370x35. Fitting under 18" is the main cause for the size however.

And you can run both with stock or GmbH rears. Won't be as good of course. Brake balance is determined mainly by main brake cylinder, but bigger diameter rears help of course. The stock rear caliper and pads are really meant for parking brakes according to discussions at Movit.

Post by **TarmacTerrorist** » Mon Dec 20, 2004 9:32 am

Im certainly not dissing the new billet design as to wether it is any better or any worse than the original brembo/porsche components they used. I think it is fair to say though that Movit have built themselves a very good reputation off the back of the brembo calipers, to completely change their direction they will ultimately know they must have a product either on par or better than what they had before.

Post by **TarmacTerrorist** » Mon Dec 20, 2004 10:43 am

Jani wrote:
And you can run both with stock or GmbH rears. Won't be as good of course. Brake balance is determined mainly by main brake cylinder, but bigger diameter rears help of course. The stock rear caliper and pads are really meant for parking brakes according to discussions at Movit.

Amazing how many different things you will here. I think you will find the rear brakes do a little more than holding the car still when parked, certainly looking at mine they seem to have been doing some work while turning.

I was under the impression the reason for the seperate handbrake caliper that comes with the rear movit kit is to hold a very soft pad in it, allowing the use of very hard race pads in the main calipers and still be able to hold the car stationary on a hill on a cold morning etc.

Post by **Jani** » Mon Dec 20, 2004 12:45 pm

Could be load of cr*p yes. Could be 2 people talking in a foreign language, or me hearing incorrectly. Taking a look at Movit's rear caliper, could be what he meant as well. There was also talk of pads cooling and handbrake letting go, I'm still quite sure they referred to the rear caliper and said it really should be used for parking brake only, it is so flimsy.

Yes mine work too, and wear the rear (gmbh) discs quite a bit -caused me to consider and consequently buy the full on f+r kit.

Post by **same** » Mon Dec 20, 2004 3:03 pm

I have a set of 6 pot Movits on order from Kim which won'tl be in the UK until next year. So you can count me in for the group buy - any savings much appreciated!

Thanks

Sam

Post by **simple1** » Tue Dec 21, 2004 7:59 pm

OK from the horses mouth, and I quote:
370/6s1 Billet kit @ £2800.00+VAT Normally £3500.00+VAT.
380/4m6 Mono kit @ £2300.00+VAT Normally £2700.00+VAT.
These prices are based on 4 or more kits and being fitted by ourselves
£150.00+VAT per kit.
So who is in and who is out, bearing in mind I or Kim will need deposits before kits can be ordered.

Post by **PhilT** » Wed Dec 22, 2004 3:49 pm

PhilT wrote:
any further intrest
Will they be taking a banner ad?

Done

Post by **Hutch** » Wed Dec 22, 2004 6:53 pm

I’d like some 6 pots pls. however; exactly what do you mean 'fitted by ourselves'? And are there discounts to be had on the rears?

Thanks for your time organizing the deal. Much appreciated Simple1

Post by **Hutch** » Tue Jan 04, 2005 2:23 pm

Did anything come of this?

thanks

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