rear disc conversion - Page 3 - Toyota Yaris Forums

CASTREX · 06-12-2009, 02:28 PM

Ok the math is back where we started...

here you go:

http://www.summitracing.com/parts/WIL-120-6818/

4 piston Wilwoods for $125ea

PD: Garm, I'm getting a discount for the idea... lol

fuji · 06-12-2009, 07:14 PM

The Wilwoods appear to be reasonable in price - how difficult would it be to get these to work properly with our pre-existing brake system?

I hope whatexer comes about from this, it will fit in my 15" Enkei RPF1s.

cali yaris · 06-12-2009, 08:14 PM

pretty sure these will require larger rotors, so your 15's are going to be iffy.

darthbauer · 06-12-2009, 08:47 PM

Quote:

Originally Posted by cali yaris

pretty sure these will require larger rotors, so your 15's are going to be iffy.

+1! 15's and BBK's do not go together.

fuji · 06-13-2009, 12:08 AM

Oh well, I guess I will have to keep on looking. Perhaps some nice strong Camry calipers!

mrbond · 06-13-2009, 11:33 AM

Quote:

Originally Posted by darthbauer

+1! 15's and BBK's do not go together.

Unless it's the mini or micro bbk by Project Mu :P Then you can run 13 and 14" wheels

TheRealEnth · 06-13-2009, 11:59 AM

ok unless i didnt read thoroughly... excuse me, alright wilwood does have a 4pot brake kit for the yaris, so does endless.. unless you guys are talking about someone else?

mrbond · 06-13-2009, 12:05 PM

^ this is true, however you're going to be paying big big bucks for something you can piece together yourself for less.

TheRealEnth · 06-13-2009, 12:06 PM

ah kk

SEVEN · 06-15-2009, 12:35 AM

Quote:

Originally Posted by cali yaris

pretty sure these will require larger rotors, so your 15's are going to be iffy.

yeah thats what I read at the microimage store .... minimum 17's ... what can I do to add the most braking power with 15's????

thanks in advanced

cali yaris · 06-15-2009, 02:23 AM

For braking power, which means to me resistance to fade and stopping distance:

pads + lines + fluid

kngrsll · 06-15-2009, 10:00 AM

Quote:

Originally Posted by cali yaris

For braking power, which means to me resistance to fade and stopping distance:

pads + lines + fluid

This should be done before anyone even considers any brake job. Big brake kits have their place, but if you haven't done this set yet, how do you know you are using the full capacity of the braking system??! now cars that carry more weight (not us), race for hours on end (definately not us lol), or carry alot more speed (turbo cars, some of us!) could use more brake material.

Do you guys know the purpose of a big brake kit? no big brake kit will make you stop FASTER. The brakes are limited by the grip of the tire. What is the best brake upgrade then? TIRES!!! if you can lock up your tires while braking, the brakes are at FULL stopping capacity!! Does this make sense?

So why do people do big brake kits? well, i know i did it bc i thought it would make me stop faster, but i learned better. What a big brake kit really does is allows you to absorb more heat!! brakes are heat sinks! If you are tracking and using up all your brakes, and they cant cool quickly enough, you need to increase the air to them, or increase their heat capacity. So you can use more metal, or ducting. So big brake kits have a significant advantage in heat capacity, and that is ALL. that is their only advantage. They typically weight more (unsprung none the less), which slows you down if you are not overheating your stock brakes (doubtful.) They also cost alot. That money would be better spent at a track school and autoxes where you learn to drive what you have FASTER and then you are quicker no matter the car or equipment you own.

The list garm just posted will satisfy 99% of the braking needs for guys on this forum. I have tracked my car, autox'd it, and have had no brake issues (with stock pads and fluid with 60k miles on them!!) The car is so light, they are gentle on the brakes. This car is very easy on its brakes. In fact, i would almost worry that some of the high end temp pads that carbo tech offers through micro image could be tough to keep heat in! I may test this at the next event, do brake temps during a 20 min session and see what they peak at.

Now a rear disc upgrade, i would do that. Drums suck.

cali yaris · 06-15-2009, 10:15 AM

+1 and well said

vten · 06-15-2009, 10:19 AM

+2 ,

bbk for me is for the look purpose, since I'll be using 19" very very soon.

SEVEN · 06-17-2009, 12:45 AM

Quote:

Originally Posted by kngrsll

This should be done before anyone even considers any brake job. Big brake kits have their place, but if you haven't done this set yet, how do you know you are using the full capacity of the braking system??! now cars that carry more weight (not us), race for hours on end (definately not us lol), or carry alot more speed (turbo cars, some of us!) could use more brake material.

Do you guys know the purpose of a big brake kit? no big brake kit will make you stop FASTER. The brakes are limited by the grip of the tire. What is the best brake upgrade then? TIRES!!! if you can lock up your tires while braking, the brakes are at FULL stopping capacity!! Does this make sense?

So why do people do big brake kits? well, i know i did it bc i thought it would make me stop faster, but i learned better. What a big brake kit really does is allows you to absorb more heat!! brakes are heat sinks! If you are tracking and using up all your brakes, and they cant cool quickly enough, you need to increase the air to them, or increase their heat capacity. So you can use more metal, or ducting. So big brake kits have a significant advantage in heat capacity, and that is ALL. that is their only advantage. They typically weight more (unsprung none the less), which slows you down if you are not overheating your stock brakes (doubtful.) They also cost alot. That money would be better spent at a track school and autoxes where you learn to drive what you have FASTER and then you are quicker no matter the car or equipment you own.

The list garm just posted will satisfy 99% of the braking needs for guys on this forum. I have tracked my car, autox'd it, and have had no brake issues (with stock pads and fluid with 60k miles on them!!) The car is so light, they are gentle on the brakes. This car is very easy on its brakes. In fact, i would almost worry that some of the high end temp pads that carbo tech offers through micro image could be tough to keep heat in! I may test this at the next event, do brake temps during a 20 min session and see what they peak at.

Now a rear disc upgrade, i would do that. Drums suck.

I knew that brake capacity is only as good as the tires you use but this made things even clearer!! THANKS A LOT!!

kngrsll · 06-17-2009, 01:38 AM

Quote:

Originally Posted by SEVEN

I knew that brake capacity is only as good as the tires you use but this made things even clearer!! THANKS A LOT!!

good! glad to help!

cali yaris · 06-17-2009, 01:48 AM

Quote:

http://www.summitracing.com/parts/WIL-120-6818/

meanwhile, back to this idea. These calipers are way too thin for the Yaris rotor. I have now matched a 4-pot Wilwood caliper to the stock Yaris rotor and ordered a set. Did I mention I'm a Wilwood dealer now? heh. next is the brackets (one for stock + one for oversized rotors), then lines, and we are good to go.

vten · 06-17-2009, 01:56 AM

Garm,

which wilwood 4 pot are you using ?

put me on the list for the oversize setup ....

Tan

06-12-2009, 08:14 PM	#39
cali yaris ULTIMATE View User's Garage Drives: 07 Yaris Turbo Join Date: May 2007 Location: Canoga Park, CA Posts: 14,859	pretty sure these will require larger rotors, so your 15's are going to be iffy. __________________ Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific.

06-13-2009, 11:59 AM	#43
TheRealEnth Beast View User's Garage Drives: 2007 Blz Blu LB Join Date: Oct 2008 Location: Miami, FL Posts: 1,365	ok unless i didnt read thoroughly... excuse me, alright wilwood does have a 4pot brake kit for the yaris, so does endless.. unless you guys are talking about someone else? __________________ One you've taken a yaris for a spin, there's no turning back. Its a Chao!!!

06-13-2009, 12:05 PM	#44
mrbond View User's Garage Drives: 2008 meteorite hatchback Join Date: Nov 2008 Location: Illinois Posts: 960	^ this is true, however you're going to be paying big big bucks for something you can piece together yourself for less. __________________ - HOOOEY! That's one tahny little cawr! What the heck kinda toy is that? - A Toyota Yaris - A whut Yaris?

06-13-2009, 12:06 PM	#45
TheRealEnth Beast View User's Garage Drives: 2007 Blz Blu LB Join Date: Oct 2008 Location: Miami, FL Posts: 1,365	ah kk __________________ One you've taken a yaris for a spin, there's no turning back. Its a Chao!!!

06-15-2009, 02:23 AM	#47
cali yaris ULTIMATE View User's Garage Drives: 07 Yaris Turbo Join Date: May 2007 Location: Canoga Park, CA Posts: 14,859	For braking power, which means to me resistance to fade and stopping distance: pads + lines + fluid __________________ Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific.

06-12-2009, 02:28 PM	#37
CASTREX Who said Yaris was slow? View User's Garage Drives: Yaris T-Sport 2008 Join Date: Nov 2006 Location: Costa Rica Posts: 1,287	Ok the math is back where we started... here you go: http://www.summitracing.com/parts/WIL-120-6818/ 4 piston Wilwoods for $125ea PD: Garm, I'm getting a discount for the idea... lol

06-12-2009, 07:14 PM	#38
fuji Drives: Polar White Yaris HB Join Date: Dec 2008 Location: Honolulu Posts: 263	The Wilwoods appear to be reasonable in price - how difficult would it be to get these to work properly with our pre-existing brake system? I hope whatexer comes about from this, it will fit in my 15" Enkei RPF1s.

06-13-2009, 12:08 AM	#41
fuji Drives: Polar White Yaris HB Join Date: Dec 2008 Location: Honolulu Posts: 263	Oh well, I guess I will have to keep on looking. Perhaps some nice strong Camry calipers!

06-15-2009, 10:15 AM	#49
cali yaris ULTIMATE View User's Garage Drives: 07 Yaris Turbo Join Date: May 2007 Location: Canoga Park, CA Posts: 14,859	+1 and well said __________________ Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific.

06-15-2009, 10:19 AM	#50
vten Drives: red bare bone yaris hb 3dr Join Date: May 2009 Location: columbus Posts: 1,022	+2 , bbk for me is for the look purpose, since I'll be using 19" very very soon.

06-17-2009, 01:56 AM	#54
vten Drives: red bare bone yaris hb 3dr Join Date: May 2009 Location: columbus Posts: 1,022	Garm, which wilwood 4 pot are you using ? put me on the list for the oversize setup .... Tan

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