Trackspeed Engineering Front BBK - Group Buy - Miata Turbo Forum - Boost cars, acquire cats.

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Old 10-12-2009, 02:55 AM   #1
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Default Trackspeed Engineering Front BBK - Group Buy

5 kits sold, 5 available at our $600 group buy price.

Finally got some test time on our BBK so the group buy can begin.

This kit will retrofit a Wilwood 4-piston caliper and an 11" VW Corrado front rotor to your Miata.

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This kit will include the following:

-Wilwood Dynalite forged 4-piston caliper
-Trackspeed Engineering caliper brackets
-stainless steel brake lines
-centering rings for Corrado rotors
-Grade 8 hardware

Where are the pads and rotors?
The kit will NOT include pads and rotors - we think a lot of you already have the rotors, and there's a vast variety of pad compounds out there. We'll be recommending standard cheap rotors and Carbotech pads, and we can source this combo and ship it with the kit for an additional cost.

Can I buy just the brackets?
A lot of folks asked for the brackets alone as well, and we'll be selling those separately for those of you who have calipers, or if you want to source everything else yourself. Bare brackets will sell for $170.

What are the benefits beyond a standard Corrado rotor upgrade?
The biggest benefit is pad life. The stock caliper unevenly distributes the force of the single piston across the pad, which results in tapered wear patterns and severely compromised pad life. I've also experienced rotor cracking resulting from this uneven loading. The Wilwood calipers are 4-piston and non-floating, which means the loads are far more even. In my testing, the pads wear straight, and I expect to get at least double the life out of my track pads using this caliper vs. a stock caliper with Corrado rotors.

What about brake bias?
We are HIGHLY recommending you couple this kit with a Flyin' Miata brake bias valve. The stock valve is biased heavily towards the front and adding big front rotors and calipers won't help that at all. With the bias valve in place, and using Carbotech XP12 pads front and rear, the bias in my car is to my liking.

Do I need to have 1.8 caliper brackets to use this kit?
No. This kit will retrofit to any 1990-1997 Miata - simply remove the stock caliper, caliper bracket, and rotor, and bolt up the new stuff.

Why do I need new lines?
The Wilwoods don't use a banjo fitting, so stock brake lines and aftermarket lines designed for stock calipers won't work.

What about wheel clearance?
The kit fits on any car with 6ULs. We will try to get a variety of wheels onto my car for fitment testing in the next few weeks.

What's this going to cost me?
Retail pricing on this item will be $650. For this group buy, the first 5 orders will get $100 off, and the second 5 will get $50 off. All buyers will pay S/H, CA residents will pay sales tax. (discounts for full kits only, brackets are full price)

Send order inquiries to [email protected], and include the following:
-First and last name
-Paypal address
-Shipping address (for S/H/Tax calculation)

Last edited by Savington; 10-28-2009 at 04:15 AM.
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Old 10-12-2009, 02:56 AM   #2
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1st
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Old 10-12-2009, 03:19 AM   #3
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In
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Old 10-12-2009, 10:35 AM   #4
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I'm in too.

Last edited by rharris19; 10-12-2009 at 10:46 AM.
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Old 10-12-2009, 12:29 PM   #5
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How is this different than the 1st gen FM BBK, and/or the old Panache BBK?


Quote:
"I've also experienced rotor cracking resulting from this uneven loading. "
Pls. expound.
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Old 10-12-2009, 02:24 PM   #6
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Jason, I know very little about the old FM BBK, and virtually nothing about the Panache BBK, so I couldn't comment on similarities or differences.

As far as the cracking goes, I ran through two sets of XP12s on a single set of Corrado rotors, and when I swapped to this BBK about a week ago (we tested it on our Inconel test car last weekend as well) I found small cracks in the rotors, in a radial direction. It's not uncommon in other cars, espcially C5 Corvettes - there's a kit offered that puts a Wilwood caliper on their stock rotor, and they see the same benefits - improved pad and rotor life.
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Old 10-12-2009, 02:50 PM   #7
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this is a pretty damn good deal
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Old 10-12-2009, 04:08 PM   #8
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Quote:
Originally Posted by Savington View Post
Do I need to have 1.8 caliper brackets to use this kit?
No. This kit will retrofit to any 1990-1997 Miata - simply remove the stock caliper, caliper bracket, and rotor, and bolt up the new stuff.
Can't imagine why it wouldn't fit 99-05 as well.
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Old 10-12-2009, 04:48 PM   #9
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Quote:
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Can't imagine why it wouldn't fit 99-05 as well.
Me neither, but I didn't want to say anything for sure until I bolted it up to a '99-05 upright myself. I have bolted it up to 1.6 and 1.8 uprights.
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Old 10-13-2009, 04:05 PM   #10
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I should not have read this. Trying to sell a kidney for these right now. I presume that the rings for the rotors are the same as M-tuned supplied with their kit?
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Old 10-13-2009, 05:22 PM   #11
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Any theories why a 4 piston caliper solves rotor cracking?
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Old 10-13-2009, 05:39 PM   #12
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Quote:
Originally Posted by JasonC SBB View Post
Any theories why a 4 piston caliper solves rotor cracking?
I'll try to explain it in Hustler's way!!

So if You take a chick and stab her with a piston only her left (or right) butt chick she will eventually turn around...maybe even crack something doing so!!!
But if You take it in middle of both chicks she will be pleasantly satisfied with ''center pointing'' and wont crack (although there could come some weird sounds of huuuge cracking > it depends on piston stab/clamp force!!!)

Now imagine the mans dream of having best toys...now imagine it double!!
You see this way You could stab both her butt chicks and she would be happy just like that and hopefully wouldn't be cracking.

Hope this clears Your question.

Cheers
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Old 10-13-2009, 06:58 PM   #13
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Nicely done!

What model caliper do you use if sourcing yourself?
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Old 10-13-2009, 07:01 PM   #14
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what is the thickest pad we can run? I know this rotor is not as thick as the goodwin kit, so we should be able to run the super-thick pads, right? Ic an get hawk dtc-30's in .48 or .65" thickness. Carbotech doesn't care to share this information with its customers.
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Old 10-13-2009, 09:36 PM   #15
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Quote:
Originally Posted by JasonC SBB View Post
Any theories why a 4 piston caliper solves rotor cracking?
It is just a theory, so keep that in mind.

Let's look at this photo:

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That's a carbotech Xp10 that came out of a stock caliper. The extreme wear comes from the uneven loading that the stock caliper applies - on the outside, the two fingers don't reach down far enough, resulting in the wear you see there. On the side, the piston itself doesn't reach far enough to the edges of the pad, which results in similar wear, although in a perpendicular direction and not as pronounced.

The accelerated padwear is of special interest to me. That shows that in those areas, I was able to massively exceed the MOT of these pads, which is (IIRC) somewhere around 1400-1600 degrees. As you exceed the MOT, you burn through pads - this is why street pads have a tendency to magically disappear on the racetrack.

You're still disposing of the same heat energy, mind you, but that tapered wear and extremely reduced pad life shows that the heat energy is very clearly transferred to the rotor in a highly uneven fashion. Transferring the energy in an uneven fashion will result in far higher rotor temperatures, and something about the higher localized temps will lead to cracking. Whether it's the weaking of the iron, or the heat cycling, or something else, is beyond my scope of materials knowledge.

There's also empirical evidence - my roommate's C5 Vette with the same style of stock caliper would crack a stock rotor in 2 sessions at the racetrack. He installed a kit that put a Wilwood Superlite caliper on a stock brake rotor, and voila - no more rotor cracking.
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Old 10-13-2009, 09:57 PM   #16
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Savington You just technically cleared and very well described what I've said in few words
Even the picture is great adition to it...isn't it like a big assed women much bent over...just like she is on a sports bike!?!
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Old 10-14-2009, 12:19 AM   #17
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in after v8 conversion. rear kit coming?
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Old 10-14-2009, 12:24 AM   #18
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Quote:
Originally Posted by UrbanSoot View Post
in after v8 conversion. rear kit coming?
We have thought about it, but it's not really needed and keeping the parking brake (a necessity IMO) shoots costs skyward. Would you be interested in something for the looks (matching Wilwood in rear) or just something for performance (larger piston area to help with more rear-bias but not necessarily pretty)?

Also, there is only one remaining kit at the $100 off price, so act now for that pricing.
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Old 10-14-2009, 12:40 AM   #19
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Quote:
Originally Posted by crashnscar View Post
We have thought about it, but it's not really needed and keeping the parking brake (a necessity IMO) shoots costs skyward. Would you be interested in something for the looks (matching Wilwood in rear) or just something for performance (larger piston area to help with more rear-bias but not necessarily pretty)?

Also, there is only one remaining kit at the $100 off price, so act now for that pricing.
ill just get it at retail later. need all the money for v8 swap now. as for rear kit - i really dont care how **** looks. i just want it to function and i want to stay away from single piston calipers
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Old 10-15-2009, 12:24 PM   #20
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What is the estimated ETA? Not in a rush, just curious.
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