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Discussion Starter · #1 ·
my ap evo 7 kt is on it s way

so in my waiting period i tested some more i have no on my car godspeed 2 piece discs. this is how it went today

new hubs
put the discs on the car with standard wheels major vibration even when cold
the 2 piece discs has a thicker bell and does not leave enough space on the hub to centrate the the standard wheel
so changed the wheels which has more metal left on the centre inside. the cold vibration was gone
i was using ferodo 4003 full face pads this setup works great but after a few times hard braking the discs get hot and leaving hot spots on the disc (judder)
ok change the pads to ferodo 2000 pads small pads 1.5 cm smaller guess what no problems anymore the discs are blue in colour 5 high speed stops from 220 km to 50 km

but my big test comes on sunday when i go to the track again

so i called the braking company and ask what happend why does a smaller pad work ok and a full face pads leaves spots
this is his opinion
because of the larger pad the caliper can not push equal forces over the full face of the pad and then you get differant temps on the disc surface which can cause vibration

this works only on new discs so don t try small pads on already warped (reskimmed) discs it does not workt i have tried that.
be aware that the standard brembo discs are not a high quality disc
but maybe a smaller pad on a new brembo discs will work who knows maybe here is someone who tested it i love to hear youre thoughts about it

regards

andre
 
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Discussion Starter · #2 ·
The godspeedbrakes work excellent till now no sign s of warping so far

sunday 28 oktober ill be on the dutch tt assen circuit and i will give these babies some hammering:)

andre
 
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Discussion Starter · #3 ·
Went to their website, how much are their discs? Do I have to buy directly from them or is there a reseller in Europe somewhere?
 
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Discussion Starter · #5 ·
André

wait till you completed the track day! I'll never go back to the standard system, you know my opinions about it.

Cheers

Mike
 
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Discussion Starter · #6 ·
Andre
Are you saying you have already warped your standard Evo 7 brakes?
If you have ordered AP, which ones have you gone for - what size and are they drilled or continuous groove?
Who are godspeedbrakes !!??

Thanks
 
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Discussion Starter · #7 ·
Ian - call yourself the Brake Demon now do ya!
Super L - Godspeed are (from what I can gather) an engineering firm that specialise in brakes basically!
I first heard about them on the Scoobynet and bought a set of discs with caliper spacers and arms to run 335mm discs. The kit was very reasonably priced and the performance was excellent. I did a track day and two sessions at Trax with no problems what so ever.
Now I've got an Evo I've got a set of discs ordered with Godspeeds and they should be here tommorow! I'm doing Donnington next Saturday and I'll report how they've gone after that!
Steve
 
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Discussion Starter · #8 ·
Super L i did not warp my evo 7 brakes :) i still drive in my evo 6 the 7 is not yet in holland i have to wait an other month or so

i had ordered an evo 6 kit from ap but i returned it and got an evo 7 kit it has little bigger discs 332 and they are 32 mm thick and the caliper is wider to give space to the disc

today i have received my ap 6 pot kit for the evo 7 but it lying in my office till my 7 comes in the meanwhile i drive with warped evo 6 standard discs so i ordered a set of godspeeddiscs till my 7 comes. these discs are grooved only with alu bell

but on the ring a guy from the uk warped his standard discs on an evo 7 gsr

i must admit ian its looking good so far the only downside is you have to machine down a little of the inside of the pads the bell is to large the pads touches the bell maybe you can solve that problem on the next sets you sell ian.

regards

andre
 
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Discussion Starter · #10 ·
The cost of the 320mm x 32mm discs and bells to replace the standard ones are £450 a pair , They can be grooved , drilled or both at no extra cost , we have pictures of our discs and bells on our web site , www.godspeedbrakes.co.uk , Our discs have a 12 month guarantee against warping , Thanks Ian .
 
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Discussion Starter · #11 ·
Guaranteed not to warp!! You're a very very brave man Ian - I really hope your confidence is not misplaced! Does this cover track use as well as road use, and with the standard callipers?

I only ask as I've warped 6 sets of disks on my VI in 18,000 miles - I'll test yours to destruction for a small fee ;)

The last people who guaranteed disks have just refunded my credit card :)

Chris
 
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Discussion Starter · #12 ·
We will guarantee our discs against warping for either 12 months or until they are at there minimum thickness , whichever happens first , if they warp in this time we will replace them ,If you are going to do track days then they will wear down quicker ,
My confidence in my discs is not misplaced but has been built up over the last 10 years I have been making brake systems , We have supplied customers that still have the original discs on that we supplied them 6 years ago , On my rally car I change them once a year , I have just changed them now and had done 12 rallies on the same pair , I have a customer who uses his car only for track days and the odd weekend blast , he had them about two and a half years ago , we changed his pads recently and the discs are fine .

Cheers , Ian
 
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Discussion Starter · #13 ·
ian

today i have gone back to full face carbon metallic 97 compound pads i gave them some hammering on a industrial terrain no warping only you can feel the grooves going into pads those carbon pads make a hell of noise when they are getting hot:)

you can not hear the lock up from the wheels over the sound whats comming from the pads :)

sunday circuit assen they will be glowing (i hope no warping)

regards

andre
 
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Discussion Starter · #14 ·
Hi Andre , i use the carbon Metalic 93 compound with mine as they dont need warming up to work as yours do , and they are very noisy too , but boy do they stop ! Ian
 
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Discussion Starter · #15 ·
I can't tell from the pictures how the bell is attached to the disc.

The Evo kit is over twice the price of the other cars' though.
 
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Discussion Starter · #16 ·
Not wanting to upset anyone. But I warped my two piece Dragon discs on the road! Allan was as good as his word, and gave me a refund. If anyone tries the Godspeed dics and doesn't warp them I might be interested. I've spent the cost of AP six pots on dics and pads in the last year, and I want to get it sorted once and for all. (AP's in the new year I think)

Adrian
 
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Discussion Starter · #17 ·
Ant did you say changing the wheels took away the judder?
As I have thought about this and that it may not be the air intake but the the lack of air excaping via the wheels .As wheels are part of the cooling process according to compramotive literature.
Interesting just to see if those with out warpage have changed wheels from standard.
 
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Discussion Starter · #18 ·
exactly i run now on compomotive 8 x 18 wheels with godspeeddiscs no problem but if i put on my standard wheels i have judder again

why

because if you look into the centre on the back of the wheels you see an edge like this / i don t how it s called in english:) this edge is larger on the standard wheels than on my compomotives so on heavy braking the standard wheels judders en my compomotives don't --- and amp;gt;the compomotives have more flesh to centrate

most aftermarket discs have thicker bells godspeeds is 8.5mm standard brembo discs is 6.5 mm so 2 mm less flesh to centrate the wheels.

maybe i wrong but it works on my car

you can solve this with youre wheels to put iron bushes into wheels or get thinner bells. or longer hubs

andre
 
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Discussion Starter · #19 ·
Glad to see you all are having fun with your brakes!

If you had enough of it, take a look at: www.movit.de and the trouble is over!!
 
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Discussion Starter · #20 ·
28 oktober assen if the godspeeds hold out with carbon metallic 97 (one of the most crazy pads available today) then the problem is solved for 450 pounds:)

andre
 
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