I am researching OEM disc brake upgrades (any OEM; not just Toyota/Scion) for the xB2 - Page 2 - Scion XB Forum
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post #11 of 67 (permalink) Old 10-25-2014, 08:07 PM Thread Starter
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More progress. It looks like the camry brakes in question can be swapped for the Kluger/Highlander 328mm brakes, so they may fit the xB as well.... That's a freaking huge upgrade...

Cheap Big Brake upgrade - Toyota Nation Forum : Toyota Car and Truck Forums

Edit: maybe not, sounds like that might be gen5 only (not gen6)... oh well

Edit again, ok yes, does seem to apply to gen6 camry, which is the one I think it's potentially a match for the xB2

Last edited by Paul1114; 10-25-2014 at 08:14 PM.
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post #12 of 67 (permalink) Old 10-25-2014, 10:09 PM
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Wanna test it for us?




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post #13 of 67 (permalink) Old 10-25-2014, 10:46 PM Thread Starter
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Not unless one comes up at a salvage yard; My automotive upgrade budget for the month was shot by the IS250/350 steering wheel swap. I don't know of anyone with a 07+ Highlander either, so nothing I can do right now

Just wanted to get this info out there, and I'll try to take a look when it's feasible.
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post #14 of 67 (permalink) Old 10-26-2014, 01:01 AM
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Is there anything with 2 or 4 piston calipers? I wouldn't wanna go bigger without adding some Pistons. Maybe supra calipers?
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post #15 of 67 (permalink) Old 10-26-2014, 10:12 AM Thread Starter
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Quote:
Originally Posted by 5zero4 View Post
Is there anything with 2 or 4 piston calipers? I wouldn't wanna go bigger without adding some Pistons. Maybe supra calipers?
The highlander caliper is dual piston

Edit: have a look: http://www.rockauto.com/catalog/more...162&cc=1440247

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post #16 of 67 (permalink) Old 10-26-2014, 10:30 AM
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They look heavy!!! **** I wish I jumped on those trd brakes on ebay!
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post #17 of 67 (permalink) Old 10-26-2014, 11:13 AM Thread Starter
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I'm still researching weight, but otherwise you gotta break it down and see if the highlander option is better:

Pros:


1. The TRD kit costs well over $1,000 new, and your $500 example is the cheapest I've ever seen it used. I can buy the highlander setup new for under $225 if I shop around, and far less if I'm willing to get used calipers and rebuild them.
2. Maintenance is expensive on the TRD brakes - replacement rotors are insane and replacement pads are far more expensive than the highlander option.
3. Replacement parts availablity is widespread (vs TRD which you are probably going to have to go to the dealer or an online seller for)
4. The TRD kit has drilled rotors, which I personally would never run on a street car.
5. The highlander brakes should fit under 17" wheels, but the TRD kit requires 19" wheels.

Cons:


1. The TRD rotors are slightly larger (340mm vs 328mm)
2. The TRD calipers are four piston vs two piston. Combined with the rotor size, I'm willing to bet the performance is slightly better than the higlander option.
3. To be fair, they look cool.


Granted we are still assuming the highlander brakes fit, but it looks promising.

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post #18 of 67 (permalink) Old 10-26-2014, 01:10 PM Thread Starter
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I did some research on weight. The highlander rotors are about 6.5lbs heavier each, though I don't think the calipers will be significantly heavier. Even if we budget a couple lbs for calipers on each side, that's still 17lbs total (8.5lbs per wheel) for a pretty big upgrade. This really comes down to the argument of whether big brake kits are worth doing in general. You're almost always going to run into these three issues:

1. Slightly reduced economy due to increased unsprung weight
2. Changes in overall brake bias (this isn't a huge issue for us, but on some cars is matters a lot)
3. Changes in pedal feel, though this is just more of a preference item.

I also did some interchange research, and this is what we're looking at for highlander brake compatibility/sources:

Rotors:

Toyota Highlander 2008+
Toyota Sienna 2011+
Lexus RX350 2010+
Lexus RX450H 2010+
(Some hybrids may not be applicable)

Calipers:

Toyota Highlander 2008+
Lexus RX350 2010+
Lexus RX450H 2010+
(Some hybrids may not be applicable)

This means that finding them at a salvage yard is pretty unlikely, since all of these parts are from 2008+ models (and Toyota models seem to be much rarer than others on salvage lots).
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post #19 of 67 (permalink) Old 10-26-2014, 04:11 PM Thread Starter
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Just making notes here - Centric part numbers for the highlander front upgrade (from the Toyota nation thread):

Caliper, Driver (rebuilt) = 141.44274
Caliper, Passenger (rebuilt) = 141.44273
Brake Disc Premium Rotor = 120.44158
Brake Pads, Posi-Quiet Ceramic w/ Shims & Hardware = 105.13240

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post #20 of 67 (permalink) Old 10-26-2014, 04:19 PM Thread Starter
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Also still looking into rear options, more for looks though to be honest (our rear brakes don't do **** - I have almost 75k on mine and the brake pads are almost new). I started chasing down some info about the Australian Mitsubish 380 based on a lead on the Toyota forum, but I haven't been able to find specs yet (and I'm not sure that there is any commonality between the Camry and xB rear, unlike the front).
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