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Anyone had luck with ceramic brakes that stop good for the XKR?

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Old 06-01-2019, 08:16 PM
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Default Anyone had luck with ceramic brakes that stop good for the XKR?

So replacing my brakes once again since last chnage two years ago
I had trw ceramic front and evolution ceramics on the rear. Long sorry short brakes are bad and braking power is reduced significantly from stock, I do not like then at all
I have had Akebuno ceramics on my old e55 amg and they Are amazing , stop great and no dust , so I found and ordered rear akebuno eur1095 brakes but Akebuno do not make front brakes for our cars so my options are open as what to get for the front
Please share your experience
 
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2008 XKR Convertible, (mods: AlphaJagTuning ECU Tune , 1.5lb pulley, (200cel cats( are now melted), xpipe, Bosch 001 pump, 180 Thermostat.
Drag strip : 7.9sec 1/8mi 90 MPH . 1/4 mile 12.55 at 111.98mph
432rwh Dyno on Mustang Dynometer , Approx 511 crank HP.
2013 XJ 5.0 Supercharged, (stock with Alpha Jag ECU tune), estimated power: 600+ hp, 7.7sec 1.8th mi/95mph

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Old 06-02-2019, 07:39 PM
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I'm interested, too. My wife and I took a 400 mile round-trip drive up to the mountains this weekend. When we got back the front wheels looked terrible from all of the dust stuck to them.
 
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Old 06-03-2019, 08:49 AM
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I have Akebono all around on my '08 XK. They are great. Are XKR brakes different?

https://vod.ebay.com/vod/FetchOrderD...=1870843631001
 

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Old 06-03-2019, 11:41 AM
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Originally Posted by 110reef
I have Akebono all around on my '08 XK. They are great. Are XKR brakes different?
Front brakes on the XKR are larger, hence no Akebonos. Got them on my '07 XK, and love 'em too.
 
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Old 06-03-2019, 06:28 PM
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Apparently not a lot of XKR have ceramic brakes that are actually good judging by the lack of response
 
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2008 XKR Convertible, (mods: AlphaJagTuning ECU Tune , 1.5lb pulley, (200cel cats( are now melted), xpipe, Bosch 001 pump, 180 Thermostat.
Drag strip : 7.9sec 1/8mi 90 MPH . 1/4 mile 12.55 at 111.98mph
432rwh Dyno on Mustang Dynometer , Approx 511 crank HP.
2013 XJ 5.0 Supercharged, (stock with Alpha Jag ECU tune), estimated power: 600+ hp, 7.7sec 1.8th mi/95mph
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Old 06-03-2019, 10:09 PM
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I have ceramic pads on my rear wheels, but not on the front yet. the rear wheel pads are Textar TEXC2P24219. They were installed in 3/18 some 12k miles ago and in late April had 50% life left according to the installer. Front pads replaced last fall 6k miles ago with OEM pads and have 70% life left in late April.
 
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Old 06-03-2019, 11:32 PM
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I got some Porterfield RS-4 pads on a recommendation, and they perform at least equivalent to the OEM pads I had, but far less dust. Not NO dust, but less than I had.
 
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Old 06-04-2019, 02:17 AM
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EBC reds are what I use. Would I buy them again, No. The reds are quite grabby at low speeds and are subject to fade as soon as they are pushed a little. Dust is better than stock but still quite heavy. They seem to be quite gentle on the rotors though.
 
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Old 06-04-2019, 02:40 AM
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Originally Posted by ralphwg
Textar TEXC2P24219.
Isn't that a wear sensor cable?

The Textar pads for the 5.0 XKRs are 2511401 or 2202101. Both seem to be the same pad (edge code FE), with the 2202101 having the extra clamp springs from the XKR-S. They don't claim to be ceramic, as far as I could find.

The original ATE pads have a slightly better FF rating.

Personally, I don't find the original combination of ATE discs and Jurid pads (front) and ATE pads (rear) all that dusty. However, the Jurid 310 compound (edge code GG) is excellent and measures much better on the brake tester than the TRW pads I tried. The Jaguar engineers seemed to have picked those pads for performance as they are not cheap nor do they come from ATE like the rest of the braking equipment.

Ceramic-type pads may be cleaner (Redstuff was a bit but their cold performance was poor and their hot performance just normal) but there still seems to be a trade off in friction levels which means more pedal pressure required for the same stop so effectively less easy to modulate the pressure you actually want. This is possibly not a big deal for digital drivers ...
 
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Old 06-04-2019, 11:01 AM
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Jurid White ceramic pads (part number 573150JC) will fit into the caliper housing but the friction material is too thick as supplied. I bought these, not realising this, I ended up grinding about 1.8mm off each pad to get them in. Initial impressions were poor but I may not have filed them totally flat. They've done a few hundred miles now and feel a lot better. They're far, far less dusty than stock pads.

Braking performance on the 5.0 XKR with stock pads is very good IMHO. Direct comparison is difficult as the new pads have taken a long time to bed in. Would I do it again? Probably not, it took a lot of work to grind the pads down. I'll just get the wheels powdercoated in black and install OE pads next time
 
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Old 06-04-2019, 11:51 AM
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After I ceramic coated my wheels, it was no big deal to wipe off the brake dust using a spray bottle filled with water and paper towels. It didn't take long and didn't make a big mess in my garage. Wear disposable rubber gloves and you'll keep your hands clean.
 
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Old 06-04-2019, 04:07 PM
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I recently changed from OE pads to PowerStop Z23 Evolution Sport pads on my XK. They work fine when warm but I'm not happy with the lack initial bite when cold--the first stop of a drive can require a fair amount of pedal pressure to come to a complete stop. I have not yet tried them on track or autocross.
 
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Old 06-04-2019, 08:03 PM
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I put the EBC redstuff pads on mine last year after getting fed up with black wheels 10 miles after a wash job. While there is still some dust, it is much less and I frankly don't notice any difference in stopping. Maybe if I were a track star I could notice a difference.
 
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Old 06-04-2019, 09:21 PM
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I just checked the invoice again and that is the number on the invoice. On the other hand according to the current Textar catalog the number is 2447401 for non-performance brakes and 2485001 for performance brakes (front). Rear 2511401 for non-performance and 2485101 for performance brakes.
 
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Old 06-05-2019, 03:34 AM
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Originally Posted by ralphwg
I just checked the invoice again and that is the number on the invoice. On the other hand according to the current Textar catalog the number is 2447401 for non-performance brakes and 2485001 for performance brakes (front). Rear 2511401 for non-performance and 2485101 for performance brakes.
For the 5.0 XKR and XKR-S, they all have the ATE "performance" brakes as standard so 2447401 and 2511401 are correct-ish and as I mentioned before, there is an alternative from the XKR-S with the extra clamping springs at the back: 2202101, which fit non-XKR-S cars as well as the calipers are identical. However, does anyone really know what difference those springs/clamps make?

The XKR-S GT had real carbon-ceramic brakes and are different again.

2485001 and 2485101 look like they fit the 4.2 cars with the Alcon brakes. They can't fit the standard calipers on a 5.0 car. One has to be very careful with aftermarket catalogs - they are often misleading
 
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Old 06-05-2019, 03:41 AM
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Originally Posted by 8bit
Jurid White ceramic pads (part number 573150JC) will fit into the caliper housing but the friction material is too thick as supplied.
Again, another instance of some supplier catalogs being wrong

The Jaguar pads are about 19 mm thick. Many pad manufacturers say that the BMW fit (up to 20.6 mm thick) are also suitable for the Jaguars with the similar calipers, however, this does not seem to be the case.
 
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Old 06-05-2019, 08:56 AM
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I've tried all kinds of rotors and pads and even messed around a bit with different combinations... and I've come to the conclusion that I will stick to OEM. They work well enough, cold, hot or wet. They certainly last longer and that dreaded 'pulsation' signalling a warped rotor is severely reduced. So like Stuart, I lean over and give them a quick wipe weekly.
 
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Old 06-05-2019, 09:09 AM
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We all seem to have different sensitivity with our brake foot so unless there is a head to head test of pads and rotors the difference in braking performance is most likely negligible. For those who track their cars if it were me there would be no doubt I would go to a performance pad and switch them out after track day. As a typical cruiser whether I stop a foot shorter or less there isn't a need to shop various pads. As to dust so far I don't consider my OEM pads that bad but then again I wipe down the wheels after every other run. Will I go to ceramics when my OEM's wear out , it's a maybe and I'll have to wait and see. At my present 24K miles and based on my last brake check I've got more then 50% pad life left so maybe in another 5 years I'll have to deal with it. Enjoy the ride.
 
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Old 06-05-2019, 09:57 AM
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Originally Posted by jagtoes
We all seem to have different sensitivity with our brake foot so unless there is a head to head test of pads and rotors the difference in braking performance is most likely negligible. For those who track their cars if it were me there would be no doubt I would go to a performance pad and switch them out after track day. As a typical cruiser whether I stop a foot shorter or less there isn't a need to shop various pads. As to dust so far I don't consider my OEM pads that bad but then again I wipe down the wheels after every other run. Will I go to ceramics when my OEM's wear out , it's a maybe and I'll have to wait and see. At my present 24K miles and based on my last brake check I've got more then 50% pad life left so maybe in another 5 years I'll have to deal with it. Enjoy the ride.
I am thinking I changed my pads at around 50,000 miles. One on my left rear had worn all the way down and gouged the rotor. Just to let you know how long they last.
 
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Old 06-05-2019, 12:32 PM
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But just to add: has anyone tried the powerstop.com solution?
 


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