I am researching OEM disc brake upgrades (any OEM; not just Toyota/Scion) for the xB2 - Page 3 - Scion XB Forum
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post #21 of 67 (permalink) Old 10-26-2014, 06:27 PM
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Default I am researching OEM disc brake upgrades (any OEM; not just Toyota/Scion) for...

Celica gt4 maybe? Some nice 2 piston rear calipers too.

http://m.ebay.com/itm/390952716296?_mwBanner=1
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post #22 of 67 (permalink) Old 10-26-2014, 06:59 PM
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post #23 of 67 (permalink) Old 10-26-2014, 09:41 PM
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Default I am researching OEM disc brake upgrades (any OEM; not just Toyota/Scion) for...

I wonder if you could use the 2010 LS460 calipers with 2006 LS430 rotors. The rotors are 5mm thicker than the Xb and have a height difference of +6mm. Diameter difference of +40mm. Same bolt pattern and bore size.

All depends on the mounting points on the caliper. The LS430 calipers mount totally different so that's why the 460 ones would be the option. Plus they look sexy.

Rumor has it they are made by brembo too.
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post #24 of 67 (permalink) Old 11-01-2014, 01:32 PM Thread Starter
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I'm definitely moving forward with this. This is the final interchange list for front brakes:

2008-2013 HIGHLANDER
2010-2013 LEXUS RX350
2010-2013 LEXUS RX450H
2011-2014 SIENNA

Just trying to locate some at a reasonable price.
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post #25 of 67 (permalink) Old 11-01-2014, 08:36 PM Thread Starter
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ALL PROGRESS SO FAR IS DEAD!

I got ahold of some Camry brakes (at not cost) with the same mounting spacing and specs as the highlander brakes, and the caliper bracket mounting holes are half an inch off (5.5" apart on the xB, 6" on the Camry). This means that the highlander brakes are NOT an option.

Back to the drawing board!
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post #26 of 67 (permalink) Old 11-01-2014, 11:09 PM
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post #27 of 67 (permalink) Old 11-01-2014, 11:31 PM Thread Starter
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Quote:
Originally Posted by 5zero4 View Post
Ls460?

Different bolt pattern on the rotors, and very likely 6" caliper bracket spacing. Toyota seems to fall into two categories for calipers: 5.5" and 6". The goal now is to find the largest 5.5" application possible. I'm still confident that something is out there. I think I'll hit the junkyard tomorrow with a measuring tape and mark down spacing on as many vehicles as I can.

On the upside, I confirmed 100% that my wife's 2014 Camry can take the highlander brake upgrade, so we will do that once it's out of warranty (it's almost new).

Last edited by Paul1114; 11-01-2014 at 11:35 PM.
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post #28 of 67 (permalink) Old 11-02-2014, 12:27 AM
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Ls240 rotors might work with ls260 calipers and custom brackets. That's what I'm thinking. If they have an ls260 at the junk yard get some specs. I may have a contact for machining the brackets.
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post #29 of 67 (permalink) Old 11-02-2014, 07:32 AM
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When I was growing up, my uncle had a small junk yard and my brother and I would play in it when my dad would go there to see him. We never worried about snakes or rats. we just had fun with all the old cars. Today, when I need something for car, that's where I go first, the local junk yard, a trove of parts that are OEM and a lot cheaper that new. I haven't found a lot of xB's at the one closest to me. I'm looking now for the unit that is located on the head liner. I'll need to get the template. With the weather getting colder, I'll most likely wait until spring to do the install.

HTM 5spd, vent shades, mud guards, LED b/u lites, steelies w/ chrome lug nuts & chromed dust caps, beauty rings, TRD black grille, Oznium vert.vent lites, HID's, black vinyl head light eye lids, sun shade,side glass tint, variable delay wiper switch,all weather front mats, rear spoiler, front running lights LEDs w/ dual color, electronic flasher, LED turn-stop-tail rear lights, LED glove box light,footwell lights,cup holder lights, amber fog lights,Bazooka sub,front black matt bumper cover.
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post #30 of 67 (permalink) Old 11-02-2014, 01:04 PM Thread Starter
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Yeah salvage yards definitely have been my go-to place for this.

So far the best rotor looks like the RX330 (319mm and 26-38mm thickness vs 275/22-25), but finding a matching caliper has been difficult. The Majority of calipers out there that have the right bracket mounting (140mm) are from vans and SUVs, but I'm going to have to actually get my hands on them to try. I still wish someone had caliper measurements online.
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