My Budget Big Brake Kit using Corrado rotors - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 11-17-2008, 10:37 PM   #21
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Name:  bracket.jpg
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quick 5 minute rendering

i need the correct diameter of the holes tho
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Old 11-17-2008, 10:50 PM   #22
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Brain needs some help with his dimension layout.
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Old 11-17-2008, 11:00 PM   #23
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haha yeah it was very hard to follow, but props for him for going thru that .dwg file cause i sure as hell wasnt going to.

i have 2 exams im studying for right now but if i take another study break ill neatly dimension that and put it on a nice layout
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Old 11-17-2008, 11:12 PM   #24
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factory dia 10 mm bolt dia for the caliper bracket.
7/16 (.4375 ) for mounting bracket to spindle.
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Old 11-17-2008, 11:25 PM   #25
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M-tuned, any idea when this prototype kit might be ready? Do you have an estimate as to how much it would cost? And what other parts would we need to source?
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Old 11-22-2008, 05:01 PM   #26
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We plan on making it so you ONLY have to buy Rotors and Pads. I think initial hope was in the $75-100 range for brackets, hardware, and aluminum centering ring.
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Old 11-22-2008, 05:50 PM   #27
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Quote:
Originally Posted by [email protected] View Post
We plan on making it so you ONLY have to buy Rotors and Pads. I think initial hope was in the $75-100 range for brackets, hardware, and aluminum centering ring.

Dats wut I'm talkin bout. Yeah boyeeee!
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Old 11-22-2008, 08:40 PM   #28
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Dats wut I'm talkin bout. Yeah boyeeee!
+1
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Old 11-22-2008, 08:42 PM   #29
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Awesome, get it done! We'd probably have to get a maximum ID for wheels, so there's no clearance issues.

That $75-$100 is for the front hardware only, correct? I wonder what it would take to put the 1.8 front rotors onto the back...
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Old 11-22-2008, 11:23 PM   #30
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Quote:
Originally Posted by [email protected] View Post
We plan on making it so you ONLY have to buy Rotors and Pads. I think initial hope was in the $75-100 range for brackets, hardware, and aluminum centering ring.
where do i sign up?
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Old 11-23-2008, 04:38 PM   #31
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If you guys don't get er done I will. I can beat his price, probably in the 50-75 dollar range for the fronts. Maybe front and rear for a 100 U.S.D. Monday I can look into it more. I want this kit for my car and can't justify manufacturing just one.

B.T.W. this design probably needs some refinement. I found critical stress points with my analysis that makes this unsafe for some braking conditions. The last thing you want is an ejected/dangling caliper at 100 M.P.H. that makes your foot sink to the floor.

Last edited by TravisR; 11-23-2008 at 05:57 PM.
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Old 11-24-2008, 01:20 PM   #32
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M-Tuned, too bad it wasnt available 6 months ago...

Travis, great - design them up... do I get a free set for being the OP?
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Old 11-24-2008, 01:45 PM   #33
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do it travis, compition is always good.
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Old 11-25-2008, 10:14 AM   #34
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Quote:
Originally Posted by iluvspd View Post
M-Tuned, too bad it wasnt available 6 months ago...

Travis, great - design them up... do I get a free set for being the OP?
I'll hook you up, can you test these for me though? We're talking tire flat spotting madness

Travis
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Old 11-25-2008, 10:39 AM   #35
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how much shipped to holland?
I'd be in
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Old 11-25-2008, 11:10 AM   #36
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Free shipping group buy on the FM Wilwood proportioning valve kit to correct all the front bias we're gonna have once we do this swap.

https://www.miataturbo.net/forum/t28557/#post334106
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Old 11-26-2008, 02:41 AM   #37
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I'd think the brackets would cost almost nothing if they were lasered out of mild steel, 100 at a time. You could rough the holes with the laser, put them in a really simple CNC mill and get them perfect in about a minute per part. With the right tool, maybe even put in a slight countersink to allow more bolt head height.

Seems like you could use two brackets per side, sandwiching the ears on the upright. Then use spacers and shims between the brackets where the caliper mounting bolts pass through to match the thickness of the ears. The ears are generally not a precisely controlled thickness, as only the caliper mounting surface needs to be controlled relative to anything else, hence the need for shims. This would significantly increase the strength of the system (especially relative to the bending moments) without changing the z-axis position of the caliper or requiring a lot of fancy machining.
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Old 11-26-2008, 02:52 AM   #38
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i REALLY want me some.
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Old 11-26-2008, 02:58 AM   #39
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Quote:
Originally Posted by iluvspd View Post
factory dia 10 mm bolt dia for the caliper bracket.
7/16 (.4375 ) for mounting bracket to spindle.
Why are these not the same?
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Old 11-29-2008, 12:45 PM   #40
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Quote:
Originally Posted by iluvspd View Post
M-Tuned, too bad it wasnt available 6 months ago...

Travis, great - design them up... do I get a free set for being the OP?
I've had a set done, but was not ready for mass production. We are ready to go with these but are doing a few things a little different so no grinding of bolts is required etc.

Here is a thread with more details for all of you..

https://www.miataturbo.net/forum/t28696/#post335453

Last edited by M-Tuned; 11-29-2008 at 01:15 PM.
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