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Old 12-28-2014, 10:31 PM   #37
Bluevitz-rs
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Quote:
Originally Posted by Ben_ View Post
Still interested in any cross model part swapping ie corolla rear disks or some kind of rear sway
For what year?
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Old 12-29-2014, 02:18 PM   #38
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06-11
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Old 12-29-2014, 02:21 PM   #39
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The Basics on Brake Upgrades

Deleted due to false info.

Sorry.

Last edited by Bluevitz-rs; 12-30-2014 at 09:07 AM.
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Old 12-29-2014, 02:45 PM   #40
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Has this been accomplished before? I haven't seen info about this before. So the xd uses the same rear beam axle? Does the xd have hubs that will swap over?
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Old 12-29-2014, 02:58 PM   #41
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The Basics on Brake Upgrades

Deleted due to false info.

Sorry.

Last edited by Bluevitz-rs; 12-30-2014 at 09:07 AM.
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Old 12-29-2014, 06:34 PM   #42
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Would this be the same for the 07 HB?
Would you need to swap the master cylinder?
Maybe a better question is what all is needed to convert the rear to disc?
Thanks,
Norton
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Old 12-29-2014, 07:22 PM   #43
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Everything is the same from 06(07)-11 for hatches and sedans as far as suspension/brakes is concerned. It appears that a new hub, calipers, caliper mounts, rotors are all necessary. I'm not sure what else is or if all these are required but it seems to be more parts than I was expecting. Look at the rear disk swap kit on microimage too get a general idea of what's going on
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Old 12-30-2014, 01:25 AM   #44
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WOAH WOAH WOAH stop. XD has a rear drum system. ALL US models. the easiest way is to get a complete jdm axle, and swap it in
or as me and ctscott hypothesized, a 2013+ set of SE rear discs, rear calipers, rear disc e-brake cable and a special hubspacer adapter to mount the caliper.

There is another toyota where you can source a caliper and pads supposedly from a 09 or so xrs corolla...this is a bit unconfirmed.

there are a total of 4 people that i know of that has done a jdm rear disc conversion.
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Old 12-30-2014, 01:56 AM   #45
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Thanks for the heads up. Now all we need is for someone to put some money into this project and see if the brakes from those two models would work. I can't put money into a blind venture until I graduate college. I've been hoping for cheap performance parts since I started auto x
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Old 12-30-2014, 08:33 AM   #46
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Ben, we been going back and forth about autocrossing in STF. Just a heads up. You can not change the rear disc if it did not come from a USDM trim. That will actually put you in F Street Prepared (FSP).

Just a heads up if your upgrade decisions are based off autocross classing or just having fun.
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Old 12-30-2014, 10:21 PM   #47
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I have no personal experience in AutoX, but the rule book says specifically that you can swap drums to disc in STF.

"14.6 A: Drum brakes
may be replaced with disc brakes of a diameter equal to or greater
than the inside diameter of the standard drum. Such conversions
must be bolted, not welded, to the axle/trailing arm/upright and must
include an integral, redundant emergency brake"

And FSP doesnt even list the Yaris in it's category.
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Old 12-30-2014, 11:41 PM   #48
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I don't know where you got that from ez, but It clearly states in the SCCA book under
82 — 2015 SCCA® National Solo® Rules
14. Street Touring®
14.6 BRAKES
A. Non-standard brake rotors may be used provided they are of equal
or larger dimensions (diameter and thickness) and made of ferrous
material (e.g., iron). Thickness includes the individual plates of a
vented rotor, as well as the overall dimension. The diameter for replacement
rotors is measured at the minimum outside dimension.
Aluminum rotor hats are allowed. Cars originally equipped with solid
(non-vented) rotors may utilize vented rotors. Cross-drilled and/or
slotted brake rotors may be fitted provided all such voids are within
the disc area and comprise no more than 10% of that area. Brake
calipers and mounting brackets may be replaced provided they bolt
to the standard locations and the number of pistons is equal to or
greater than standard. A functioning emergency brake of the same
type, operation, and actuation as OE must be present. Drum brakes
may be replaced with disc brakes of a diameter equal to or greater
than the inside diameter of the standard drum. Such conversions
must be bolted, not welded, to the axle/trailing arm/upright and must
include an integral, redundant emergency brake. Changes to backing
plates/dust shields/brake lines to accommodate these changes
are permitted but may serve no other purpose.

I don't see anywhere it talks about rear drums...

Street Prepared
15.6.E. Drum brakes may be replaced with disc brakes. Disc brake rotors
for such a conversion must be equal to or greater in diameter than
the inside diameter of the standard brake drum. Changes to backing
plates/mounting brackets/brake lines to accommodate this change
are permitted but may serve no other purpose. Drum-to-disc brake
conversions must be bolted, not welded, to the axle/control arm/upright.

You are correct, I do not see yaris listed in any part of the Street Prepared cars that are listed. So it would go straight to SMF.
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Old 12-30-2014, 11:49 PM   #49
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Quote:
Originally Posted by ilikerice View Post
14. Street Touring®
14.6 BRAKES
A. Non-standard brake rotors may be used provided they are of equal
or larger dimensions (diameter and thickness) and made of ferrous
material (e.g., iron). Thickness includes the individual plates of a
vented rotor, as well as the overall dimension. The diameter for replacement
rotors is measured at the minimum outside dimension.
Aluminum rotor hats are allowed. Cars originally equipped with solid
(non-vented) rotors may utilize vented rotors. Cross-drilled and/or
slotted brake rotors may be fitted provided all such voids are within
the disc area and comprise no more than 10% of that area. Brake
calipers and mounting brackets may be replaced provided they bolt
to the standard locations and the number of pistons is equal to or
greater than standard. A functioning emergency brake of the same
type, operation, and actuation as OE must be present. Drum brakes
may be replaced with disc brakes of a diameter equal to or greater
than the inside diameter of the standard drum. Such conversions
must be bolted, not welded, to the axle/trailing arm/upright and must
include an integral, redundant emergency brake. Changes to backing
plates/dust shields/brake lines to accommodate these changes
are permitted but may serve no other purpose.

.
Like I said i never done AutoX, but a fellow club member raced with JDM rear axle in STF.
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Old 12-30-2014, 11:55 PM   #50
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hey.. yea, you are correct. I misread that.
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Old 12-31-2014, 12:01 AM   #51
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No worries, just wanted to clear that up for Ben and maybe yourself if you wanna go JDM axle or rear discs. I love my JDM brakes :)
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Old 12-31-2014, 12:10 AM   #52
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I been wanting to and for the longest I have been on the fence about this because of the fact that this whole time I was under the impression that would throw me into Street Prepared..
Thanks for making me read that again.
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Old 12-31-2014, 12:59 AM   #53
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And the lords off the scca rulebook said, let them have disk brakes and rejoice in the glory of eating mini coopers for breakfast

:D
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Old 12-31-2014, 01:33 AM   #54
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Lol, yes, do it!! Happy to share the knowledge. Just make sure hand brake works, under the rule it needs to have it. JDM, hand brake works perfectly cud is all OEM and everything swaps right in.
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