Honda Fit Wilwood Calipers on a Yaris? - Toyota Yaris Forums

Lucas@AirLift · 09-25-2023, 03:54 PM

Ok so I am in process of building a track Yaris and I think I have the rear disc conversion figured out, but I want to add some more stop to the front. I have looked at the drawings for the Wilwood Honda Fit caliper kit and it appears that they use the same bolt spacing as a Yaris, 140mm. Has anyone attempted this before or am I going to be the first? Pics for fun:

rpster · 09-29-2023, 02:03 PM

I'm redoing my wheel bearings and can confirm the mount center is 140mm, however the bolt circle radius is smaller on the Yaris ≈ 95mm vs the spec'd 100.4mm, so the caliper will be too close to the spec'd rotor.

The Dynalite kit has an intermediate mounting bracket that could be replaced with a custom one if you wanted to look into it. Additionally, I know they're not a big name, but Ceika has a customizable kit with more options.

Lucas@AirLift · 10-03-2023, 12:23 PM

You are the man for this info! Thank you!! So, the Fit uses a 262mm rotor and the Yaris a 255mm rotor for a 7mm difference in diameter. Do you think it is possible it could work using the Yaris rotors instead of the Fit rotors?

I really want to go wilwood just for the brake pad options. Not many options exist for the NCP91 and having the ability to quickly swap pads with all sorts of compounds would be stellar.

rpster · 10-03-2023, 05:34 PM

Yaris rotors are 22mm wide vs 20.8mm on the Wilwood DPHA kit you're looking at. The Wilwood Dynalite kit is probably a better option if you want Wilwood rotors and pads. Just need to fab a custom bracket for the caliper (part 1 in the drawing).

Lucas@AirLift · 10-05-2023, 09:30 AM

Well I think I may just go with SE brakes.. I was reviewing the rules for GRIDLIFE Time Attack Street class and I actually can't run wilwoods

enviri · 10-14-2023, 04:04 PM

the SE conversion goes to 275mm and has no issue, so your wilwood brakes @ 262mm should work, with very small risk of shaky braking because of it not being hubcentric. the rotor thickness i dont think even matters as long as the caliper, in this case is made for it?

thought about OEM euro GRMN/GR sport 2016-2018 4pots? or the ENDLESS 4pot calipers for the RS (SE model here)?

09-25-2023, 03:54 PM	#1
Lucas@AirLift GRIDLIFE Sundae Cup Yaris Drives: 06 CDN Yaris Base Join Date: Apr 2017 Location: Lansing, MI Posts: 26	Honda Fit Wilwood Calipers on a Yaris? Ok so I am in process of building a track Yaris and I think I have the rear disc conversion figured out, but I want to add some more stop to the front. I have looked at the drawings for the Wilwood Honda Fit caliper kit and it appears that they use the same bolt spacing as a Yaris, 140mm. Has anyone attempted this before or am I going to be the first? Pics for fun:

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09-29-2023, 02:03 PM	#2
rpster Drives: '07 Yaris Liftback Join Date: Jul 2007 Location: Bay Area, CA Posts: 41	I'm redoing my wheel bearings and can confirm the mount center is 140mm, however the bolt circle radius is smaller on the Yaris ≈ 95mm vs the spec'd 100.4mm, so the caliper will be too close to the spec'd rotor. The Dynalite kit has an intermediate mounting bracket that could be replaced with a custom one if you wanted to look into it. Additionally, I know they're not a big name, but Ceika has a customizable kit with more options.

10-03-2023, 12:23 PM	#3
Lucas@AirLift GRIDLIFE Sundae Cup Yaris Drives: 06 CDN Yaris Base Join Date: Apr 2017 Location: Lansing, MI Posts: 26	You are the man for this info! Thank you!! So, the Fit uses a 262mm rotor and the Yaris a 255mm rotor for a 7mm difference in diameter. Do you think it is possible it could work using the Yaris rotors instead of the Fit rotors? I really want to go wilwood just for the brake pad options. Not many options exist for the NCP91 and having the ability to quickly swap pads with all sorts of compounds would be stellar.

10-03-2023, 05:34 PM	#4
rpster Drives: '07 Yaris Liftback Join Date: Jul 2007 Location: Bay Area, CA Posts: 41	Yaris rotors are 22mm wide vs 20.8mm on the Wilwood DPHA kit you're looking at. The Wilwood Dynalite kit is probably a better option if you want Wilwood rotors and pads. Just need to fab a custom bracket for the caliper (part 1 in the drawing).

10-05-2023, 09:30 AM	#5
Lucas@AirLift GRIDLIFE Sundae Cup Yaris Drives: 06 CDN Yaris Base Join Date: Apr 2017 Location: Lansing, MI Posts: 26	Well I think I may just go with SE brakes.. I was reviewing the rules for GRIDLIFE Time Attack Street class and I actually can't run wilwoods

10-14-2023, 04:04 PM	#6
enviri View User's Garage Drives: 2010 Yaris Join Date: Oct 2008 Location: CT Posts: 1,516	the SE conversion goes to 275mm and has no issue, so your wilwood brakes @ 262mm should work, with very small risk of shaky braking because of it not being hubcentric. the rotor thickness i dont think even matters as long as the caliper, in this case is made for it? thought about OEM euro GRMN/GR sport 2016-2018 4pots? or the ENDLESS 4pot calipers for the RS (SE model here)?