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Old 10-19-2010, 02:28 PM   #1
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Default Mazdaspeed Turbo rear caliper vs. Sport Brake?

Anybody know what is different about the Mazdaspeed rear calipers from the hard/sport susp rear calipers? looking at part numbers on mazdamotorsports.com I came up with this.

Brackets: right
Normal Susp NA75-26-28X
Hard Susp Sport Susp NA67-26-28X
W/Turbo N115-26-28X

Caliper: right
Normal Susp NA75-26-61X
Hard Susp Sport Susp NA67-26-61X
W/Turbo N115-26-61X

Pads:
Normal Susp NY6-26-48Z
Hard Susp Sport Susp NY7-26-48Z
W/Turbo NY7-26-48Z

What I believe to be true

1) The mazda speed turbo and the hard/sport susp both use the same rotor and pads.
2) The Mazda Speed Turbo and hard/sport susp calipers both have 1-3/8” pistons where the Normal susp calipers have 1-1/4” pistons
3) Verified for myself that the Hard Susp/Sport Susp calipers fit on any of the earlier brackets including 1.6l brackets. So you can get more rear bias by changing just the caliper. Looks also like the caliper body has more stiffening ribs in it.

The questions that remain

1) What is different about the Mazdaspeed Turbo calipers and brackets that warrant the different part numbers?

2) Do the Mazdaspeed Turbo calipers fit on ealyer brackets like the Hard/Sport susp calipers do?

Bob
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Old 10-19-2010, 02:37 PM   #2
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The MSM brakes have a silver finish. That's the only difference I've been able to find.

http://carphotos.cardomain.com/ride_...0034_large.jpg
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Old 10-19-2010, 02:52 PM   #3
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I've compared sport rears to my sister's MSM and saw no difference.
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Old 10-19-2010, 03:26 PM   #4
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The backing plates for the pads are slightly different per the FMSI shapes. The pads are interchangeable though, according to pad suppliers.
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Old 10-19-2010, 03:40 PM   #5
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Wirelessly posted

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Last edited by Bond; 10-19-2010 at 03:41 PM.
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Old 10-19-2010, 03:53 PM   #6
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Quote:
Originally Posted by sjmarcy View Post
The backing plates for the pads are slightly different per the FMSI shapes. The pads are interchangeable though, according to pad suppliers.
Wow, something useful for a change. Thanks.
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Old 10-19-2010, 04:03 PM   #7
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I used sport pads on my MSM if that helps. Didn't all MSM's come with ABS? Would that make a difference? Just as a personal opinion, everything on the MSM is bigger in the rear axels, diff, etc.
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Old 10-19-2010, 04:19 PM   #8
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Quote:
Originally Posted by hustler View Post
Wow, something useful for a change. Thanks.
Pads are the same part number per Mazdamotorsports.com. I think the backing plate differences are superseding revisions only.

I think the answer really is that Silver paint is the only difference.

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Old 11-02-2010, 02:20 AM   #9
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I have some HAWK racing pads (DTC-60) for a 2001 to 2003 mx5 if anyone wants them.

They're brand new in the box.

I bought the wrong ones :$. I have a 2004 model SE and they don't fit.

$200 for the set.
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Old 11-02-2010, 02:22 AM   #10
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Quote:
Originally Posted by poidah View Post
I have some HAWK racing pads (DTC-60) for a 2001 to 2003 mx5 if anyone wants them.

They're brand new in the box.

I bought the wrong ones :$. I have a 2004 model SE and they don't fit.

$200 for the set.
your trolling it up tonight arnt ya?
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Old 11-02-2010, 02:23 AM   #11
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Quote:
Originally Posted by poidah View Post
I have some HAWK racing pads (DTC-60) for a 2001 to 2003 mx5 if anyone wants them.

They're brand new in the box.

I bought the wrong ones :$. I have a 2004 model SE and they don't fit.

$200 for the set.
I have your moms ***** for sale.
30 bux
50 if you want me to clean out my ***
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Old 11-02-2010, 02:25 AM   #12
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Quote:
Originally Posted by 18psi View Post
I have your moms ***** for sale.
30 bux
50 if you want me to clean out my ***
i almost fell out my chair!
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Old 11-02-2010, 08:44 AM   #13
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Quote:
Originally Posted by poidah View Post
I have some HAWK racing pads (DTC-60) for a 2001 to 2003 mx5 if anyone wants them.

They're brand new in the box.

I bought the wrong ones :$. I have a 2004 model SE and they don't fit.

$200 for the set.
You're about to take a banhammer to the face
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