AP replacement disc alternatives

[sholtby]

Hello,

I've been looking for alternative replacement discs for the 325mm AP kit. The reason being that AP discs are about £430 for a pair.
The following link is to the AP site and gives dimensions for their disc..

http://www.apracing.com/car/brakedis...580&code=294/5

Here is an alternative from www.compbrake.co.uk . I think these will fit OK however they are 29mm thick not 28mm. How important this is I dont know. Cost is £269 pair inclusive of vat and postage

CMB 0085

ROTOR 325 X MM X 29MM

THICKNESS 1.141 28.98

O/DIA 12.795 325MM

FLANGE 7.48 190MM

EYE 8.67 220.21MM

HOLE DIA 0.250 6.4MM

BOLT CENTRE 8 INCH 203.2MM

BOLT FIXING 12

WEIGHT

NUMBER OF VANES

DIAMETER OF AIRGAP

6 GROOVES PER SIDE


Another alternative is from a company called Godspeed. This is the reply I received..


I can supply you a pair of my own discs which are a direct fit to
your bells
for £295 delivered , all dimentions will be the same

Cheers Ian

So there are cheaper alternatives to AP replacement discs. But will they fit OK?

Regards

Simon

[bobcat]

Probably stating the obvious, but for an easy life i would go for the £295 ones, as they state they are a direct fit and so if they dont, they you can get them to pay the return!!!

the 29mm ones look on spec to be ok, but the extra 1mm will be in one direction looking at how the hat works (ie not .5mm left and right). when you put the kit on was it a tight fit with the new pads? if worse comes to the worse you can allways take a mm of one of the pads, but if your re-using old pads i cant see there being a problem.

if the only diff is the 1mm difference in thickness, i cant see there being a problem as the thickness of a disc is something that is constantly changing.

but if the £265 discs do give problems, the seller may do a "told you so!!"

[sholtby]

I must admit I hadnt thought that the discs would be off centre by 1mm a you described. However the AP kit comes with shims to centralise the disk in the calliper. So it shouldnt be a problem if I have enough shims. The calipers are rated up to 32mm thick disks.

Thanks
Simon

[Simon Linton]

I suggest before you decide that you contact Pete Collen at AP and ask why his discs are so much more expensive.

If it's simply margin, then go for the lower-priced option; but if the steel is a better/longer-lived grade, then the low price may simply mean more frequent replacements and a higher net running cost (don't forget the cost or hassle of fitting and adjustment, even if you do do it yourself).

Just like tyres, you tend to get what you pay for with other consumables.

[BlackBeast]

Holy crap, I now know why i bought Porsche 4pot calipers instead and stayed clear of AP.

[sholtby]

Whats the spec of the porsche discs and cost?

Thanks
Simon

[ezposse]

In case its useful to anyone here is a summary of my findings for replacement AP 325mm x28mm discs:

Alcon - £249 +VAT each from Demon Tweaks - no knowledge of these - anyone?
AP - £211 +VAT each and currently 3 weeks wait - good but cant be off the road that long
Godspeed - £295 inc VAT per pair - delivered in 5 days - no personal experience but read good things on other forums about performance. Update to follow on delivery time and more importantly performance
Powervane - £135 +VAT each - no personal experience and struggled to find positive comment on various forums
3G Brakes - £164.50 inc VAT each although not confirmed who these are made by as not 3G themselves

Cheers

Tristan

[deathrider311271]

Give HIGHSPEC MOTORSPORT a call there discs/pads and callipers are easily as good as AP but alot cheaper i had there 360mm kit on my Escort Cosworth and will be using there kit again for front and back if i remember correctly full front and back kit cost £2500 fully fitted

[loopy]

try 3gbrakes