new wilwood brake kit - Miata Turbo Forum - Boost cars, acquire cats.

Welcome to Miataturbo.net   Members
 


Suspension, Brakes, Drivetrain discuss the wondrous effects of boost and your miata...

Reply
 
 
 
LinkBack Thread Tools Search this Thread
Old 07-23-2010, 05:26 AM   #1
Newb
Thread Starter
 
Join Date: Oct 2006
Posts: 19
Total Cats: 0
Default new wilwood brake kit

looking pretty good i can't wait to put it on the car. have anyone have on their car how does it feel after install one of these
Name:  P1020676.jpg
Views: 1
Size:  96.3 KB
Name:  P1020676.jpg
Views: 1
Size:  96.3 KB
Name:  P1020674.jpg
Views: 1
Size:  103.5 KB
Name:  P1020677.jpg
Views: 1
Size:  96.4 KB
Attached Images
File Type: jpg P1020676.jpg (96.3 KB, 2 views)
jangvt is offline   Reply With Quote
Old 07-23-2010, 05:36 AM   #2
Elite Member
iTrader: (1)
 
NA6C-Guy's Avatar
 
Join Date: Feb 2008
Location: Birmingham Alabama
Posts: 8,038
Total Cats: 43
Default

Don't have them, but this is really making me feel the itch again. I'm starting my brake parts buying this weekend, and thinking about it, Trackspeed front kit is only $600, vs. $120 for the BBK brackets, then another $100+ for the lines. That makes the Wilwood kit seem so much cheaper than last time I looked at them. I may end up saving the extra $300 for the Wilwood. Not the rear though, since my car is a daily driver, need the e-brake. That also means I have to get the new master cylinder too, I don't want to cheap out and regret it like I usually do.
NA6C-Guy is offline   Reply With Quote
Old 07-23-2010, 06:07 AM   #3
Supporting Vendor
iTrader: (31)
 
Savington's Avatar
 
Join Date: Nov 2006
Location: Sunnyvale, CA
Posts: 14,363
Total Cats: 1,325
Default

OP, whose brackets are you using?
Savington is offline   Reply With Quote
Old 07-23-2010, 08:43 AM   #4
Senior Member
iTrader: (4)
 
Join Date: Nov 2009
Location: Toronto, ON
Posts: 1,479
Total Cats: 6
Default

Quote:
Originally Posted by NA6C-Guy View Post
That also means I have to get the new master cylinder too, I don't want to cheap out and regret it like I usually do.
The stock master cylinder is not compatible with this?
dgmorr is offline   Reply With Quote
Old 07-23-2010, 09:38 AM   #5
Elite Member
iTrader: (1)
 
NA6C-Guy's Avatar
 
Join Date: Feb 2008
Location: Birmingham Alabama
Posts: 8,038
Total Cats: 43
Default

Quote:
Originally Posted by dgmorr View Post
The stock master cylinder is not compatible with this?
I'm sure it is, but a recommended upgrade is a bigger MC, like the Wilwood unit. Trying to push that much more of a caliper with the same little puny stock MC pistons. Let Sav chime in. It's early, I'm out of my mind on my sleeping pills (couldn't go to sleep until I changed both of my front wheels out, damn flat)...
NA6C-Guy is offline   Reply With Quote
Old 07-23-2010, 10:32 AM   #6
Senior Member
iTrader: (4)
 
Join Date: Nov 2009
Location: Toronto, ON
Posts: 1,479
Total Cats: 6
Default

I was wondering about the new piston ratio. The TSE kit doesn't mention anything about a new MC though.

If Sav comes back...is your BBK compatible with my 01 that has the sport brakes? I know it says 90-97, just wondering what about it would be different in terms of the caliper carrier mounting points.
dgmorr is offline   Reply With Quote
Old 07-23-2010, 10:40 AM   #7
Tour de Franzia
iTrader: (6)
 
hustler's Avatar
 
Join Date: Jun 2006
Location: Republic of Dallas
Posts: 29,114
Total Cats: 351
Default

Get a bias valve and the stock master is fine. I have the trackspeed kit and its bomb.com.
hustler is offline   Reply With Quote
Old 07-23-2010, 11:01 AM   #8
Elite Member
iTrader: (1)
 
NA6C-Guy's Avatar
 
Join Date: Feb 2008
Location: Birmingham Alabama
Posts: 8,038
Total Cats: 43
Default

Quote:
Originally Posted by hustler View Post
Get a bias valve and the stock master is fine. I have the trackspeed kit and its bomb.com.
What good does the upgraded MC do anyway? Larger fluid volume I would guess, along with maybe larger piston and shorter travel of the rod...?
NA6C-Guy is offline   Reply With Quote
Old 07-23-2010, 11:43 AM   #9
Senior Member
iTrader: (4)
 
Join Date: Nov 2009
Location: Toronto, ON
Posts: 1,479
Total Cats: 6
Default

If the MC piston is too small, you lose a lot of the braking feel....at least that's what happened with a bike I was working on. I'm sure there are a few other reasons.
dgmorr is offline   Reply With Quote
Old 07-23-2010, 11:45 AM   #10
Tour de Franzia
iTrader: (6)
 
hustler's Avatar
 
Join Date: Jun 2006
Location: Republic of Dallas
Posts: 29,114
Total Cats: 351
Default

Quote:
Originally Posted by NA6C-Guy View Post
What good does the upgraded MC do anyway? Larger fluid volume I would guess, along with maybe larger piston and shorter travel of the rod...?
Pedal ratio and general feel.
hustler is offline   Reply With Quote
Old 07-24-2010, 05:50 PM   #11
Supporting Vendor
iTrader: (31)
 
Savington's Avatar
 
Join Date: Nov 2006
Location: Sunnyvale, CA
Posts: 14,363
Total Cats: 1,325
Default

Quote:
Originally Posted by dgmorr View Post
I was wondering about the new piston ratio. The TSE kit doesn't mention anything about a new MC though.

If Sav comes back...is your BBK compatible with my 01 that has the sport brakes? I know it says 90-97, just wondering what about it would be different in terms of the caliper carrier mounting points.
Should be nothing, we just never bolted it up to a Sport spindle so we weren't 100% sure. I think JayL replaced his Sport fronts with our BBK.

I don't recall the numbers off the top of my head, but the caliper we use is like 5% more piston area than stock. The DP6 caliper I use is like 3% more than stock. Not nearly enough to require a larger MC or any other consideration. The Sport MC is larger than the standard MC, which will provide a firmer pedal and better feel. The bias change comes from the larger front rotors.

The "upgrade" for the MC is the Sport MC. You need the booster as well and the lines don't quite match up, but you can make it work.
Savington is offline   Reply With Quote
Old 07-24-2010, 08:08 PM   #12
Elite Member
iTrader: (12)
 
Join Date: Jan 2007
Location: Hermosa Beach, CA
Posts: 2,575
Total Cats: 11
Default

Quote:
Originally Posted by NA6C-Guy View Post
What good does the upgraded MC do anyway? Larger fluid volume I would guess, along with maybe larger piston and shorter travel of the rod...?
Well overall quality between stock and a wilwood should be an improvement, but you really only need a new MC if you need a different piston size from stock.

if you know the stock MC piston size, pedal travel to MC piston travel (ratio), stock caliper piston size, stock caliper radius, and pad surface area/coeff of friction, you could calculate stock braking force vs pedal force then figure out how that compares to using the stock MC with the wilwood kit.

actually, if anyone wants to give me all the stock specs I would be glad to make a spreadsheet to help peeps out.
cardriverx is offline   Reply With Quote
Old 07-25-2010, 01:00 AM   #13
Elite Member
iTrader: (12)
 
Join Date: Apr 2008
Location: Springfield IL
Posts: 2,750
Total Cats: 24
Default

Quote:
Originally Posted by Savington View Post
Should be nothing, we just never bolted it up to a Sport spindle so we weren't 100% sure. I think JayL replaced his Sport fronts with our BBK.

I don't recall the numbers off the top of my head, but the caliper we use is like 5% more piston area than stock. The DP6 caliper I use is like 3% more than stock. Not nearly enough to require a larger MC or any other consideration. The Sport MC is larger than the standard MC, which will provide a firmer pedal and better feel. The bias change comes from the larger front rotors.

The "upgrade" for the MC is the Sport MC. You need the booster as well and the lines don't quite match up, but you can make it work.
Or you can man up to the 929 master/booster.

With that combo and your BBK, my 2700+ pound pig stops in a real hurry.
chpmnsws6 is offline   Reply With Quote
Old 07-25-2010, 04:52 AM   #14
Elite Member
iTrader: (1)
 
NA6C-Guy's Avatar
 
Join Date: Feb 2008
Location: Birmingham Alabama
Posts: 8,038
Total Cats: 43
Default

Quote:
Originally Posted by cardriverx View Post
Well overall quality between stock and a wilwood should be an improvement, but you really only need a new MC if you need a different piston size from stock.

if you know the stock MC piston size, pedal travel to MC piston travel (ratio), stock caliper piston size, stock caliper radius, and pad surface area/coeff of friction, you could calculate stock braking force vs pedal force then figure out how that compares to using the stock MC with the wilwood kit.

actually, if anyone wants to give me all the stock specs I would be glad to make a spreadsheet to help peeps out.
That's all over my head. Maybe i'll just stick with the stock MC Then again I guess it wouldn't hurt anything to get the Wilwood. I'll see if I feel like springing the extra $200 for the MC. Could always do it later if I needed to for whatever reason.
NA6C-Guy is offline   Reply With Quote
Old 07-25-2010, 05:30 AM   #15
Supporting Vendor
iTrader: (31)
 
Savington's Avatar
 
Join Date: Nov 2006
Location: Sunnyvale, CA
Posts: 14,363
Total Cats: 1,325
Default

There are much better places to spend $200.
Savington is offline   Reply With Quote
Old 07-25-2010, 03:23 PM   #16
Elite Member
iTrader: (12)
 
Join Date: Jan 2007
Location: Hermosa Beach, CA
Posts: 2,575
Total Cats: 11
Default

Quote:
Originally Posted by NA6C-Guy View Post
That's all over my head. Maybe i'll just stick with the stock MC Then again I guess it wouldn't hurt anything to get the Wilwood. I'll see if I feel like springing the extra $200 for the MC. Could always do it later if I needed to for whatever reason.
Well you could just try the stock one and see how it feels. Without specs I cannot tell you what kind of difference it will be from stock, but the wilwood calipers should have more piston surface area than stock so that means with the stock MC, you will have to push the pedal further to achieve the same amount of caliper piston travel vs stock calipers.

But that should be offset some by the fact that the larger diameter rotors and larger pad surface area can create more braking torque vs piston force than stock.

So if I had to guess, expect a slightly longer brake pedal throw, but less effort will be needed on your part than the stock brakes (using the stock MC).
cardriverx is offline   Reply With Quote
Old 07-25-2010, 04:34 PM   #17
Supporting Vendor
iTrader: (31)
 
Savington's Avatar
 
Join Date: Nov 2006
Location: Sunnyvale, CA
Posts: 14,363
Total Cats: 1,325
Default

Quote:
Originally Posted by cardriverx View Post
but the wilwood calipers should have more piston surface area than stock
Stock piston area is 3.14" (2" piston IIRC), Wilwood area is 3.00" (twin 1.38" pistons).
Savington is offline   Reply With Quote
Old 07-25-2010, 04:51 PM   #18
Elite Member
iTrader: (12)
 
Join Date: Jan 2007
Location: Hermosa Beach, CA
Posts: 2,575
Total Cats: 11
Default

Quote:
Originally Posted by Savington View Post
Stock piston area is 3.14" (2" piston IIRC), Wilwood area is 3.00" (twin 1.38" pistons).
I thought the wilwood caliper was a 4 piston design?
cardriverx is offline   Reply With Quote
Old 07-25-2010, 06:35 PM   #19
Elite Member
iTrader: (1)
 
NA6C-Guy's Avatar
 
Join Date: Feb 2008
Location: Birmingham Alabama
Posts: 8,038
Total Cats: 43
Default

Wouldn't longer pedal travel give you more distance for modulation? Though I also don't want to have to push the pedal half way down to get enough force to stop in a hurry.
NA6C-Guy is offline   Reply With Quote
Old 07-25-2010, 06:42 PM   #20
Tour de Franzia
iTrader: (6)
 
hustler's Avatar
 
Join Date: Jun 2006
Location: Republic of Dallas
Posts: 29,114
Total Cats: 351
Default

Quote:
Originally Posted by cardriverx View Post
I thought the wilwood caliper was a 4 piston design?
I have the same pedal throw from the stock brakes to the trackspeed.
hustler is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Project Gemini - Turbo Civic on the Cheap Full_Tilt_Boogie Build Threads 58 Yesterday 10:04 PM
Noob to Miataturbo from MA JxPhan Meet and Greet 3 10-02-2015 03:17 AM
New M62 Miata owner Pist0n Meet and Greet 4 10-01-2015 09:18 PM
Walbro 255lph Fuel Pump $50 lsc224 Miata parts for sale/trade 2 10-01-2015 10:17 AM
Leaky Wilwoods mx592 Suspension, Brakes, Drivetrain 1 10-01-2015 01:45 AM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 03:21 PM.