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Old 09-17-09, 09:27 PM   #1
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How many US of A FD owners out there that have SP/RZ/Spirit R brakes?

I'm just curious... How many of you in USA own SP/RZ/Spirit R brakes?? This is the larger diameter rotor brake system..
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Old 09-17-09, 09:44 PM   #2
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Former owner of that brake system. Still have a spare set of front rotors collecting dust in the garage if anyone is looking.

Now on the Racing Brake 4 corner BBK
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Old 09-18-09, 09:08 AM   #3
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Me.
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Old 09-18-09, 09:54 AM   #4
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Quote:
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Me.

Me 2

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Old 09-18-09, 10:00 AM   #5
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Any chance of some pics?
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Old 09-18-09, 10:23 AM   #6
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Quote:
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Any chance of some pics?
Here are pictures of the rotors..

Rear RZ vs US FD stock rotors... you can clearly see the thickness difference and diameter.
Click the image to open in full size.
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Here are comparison of Racing Brake rotors vs. RZ vs. US FD stock rotor.

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Here is a picture of my RZ on my MB FD.. Wheel is gram light 57c 17x9.5s. It fills up the wheel well.

Click the image to open in full size.


Also, I'm hoping to get some DBA rotors for my RZ and wanted to see how many of you might be also interested.. They might make the 5000 series if enough people are interested.. Personally I prefer DBA over RB and I think it would be great to get them to make the 5000 series rotors for the RZ's.

1. gracer7-rx7 (former, for sale now)
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Old 09-18-09, 10:36 AM   #7
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Folks, just so you know this is not a wild chase. DBA made the original Mazda 314mm discs for the limited RX-7SP cars of Australia. They are still catalog listed just no currently in production.
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Old 09-18-09, 10:48 AM   #8
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Julian,

You are correct. I'm currently trying to get a set of their SP rotors for my 7 and I'm getting the 5000 series rotors for the RX8. I've heard great things about them and I like the history behind their product.

Here is a cross section of their so called "Kangaroo Paw" vents.

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Old 09-18-09, 10:52 AM   #9
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I have brought over two BRAND NEW spirit-r brake kits which included rotors and calipers, one was for a forum member Thu (id: TNN) and another who is not on this forum.
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Old 09-18-09, 01:47 PM   #10
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I like the plug in Bryan

Here is my custom drilled RZ rotors.. stock blanks crossed drilled and edges beveled by David Garfinkles.. Its also harmonically balanced. FYI, David could do this to any rotors..

Look how nice of a job he did! Maybe better than the Spirit R rotors

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Old 12-01-09, 05:03 PM   #11
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from DBA Australia 2009 Catalog:

RX7 SP Series 6; 4/92 - on;
Front #2558; Vented; d 314mm, ht 67.5mm, t 32mm, tmin 30mm, hole dia 72mm, 5 holes
Rear #2559; Vented; d 314mm, ht 45.5mm, t 20mm, tmin 18mm, hole dia 72mm, 5 holes
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Old 12-01-09, 05:33 PM   #12
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Old 12-01-09, 05:44 PM   #13
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yeah I got a set from Bryan (picture above) and here is how it looks:

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How many US of A FD owners out there that have SP/RZ/Spirit R brakes?-spirit-r_brake.jpg  
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Old 12-01-09, 06:45 PM   #14
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Thu,

Those look amaaaaaaaaaaaaazing, glad you liked them. Still looking for the rear setup for you.
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Old 12-01-09, 06:56 PM   #15
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hey Bryan... I'm going broke and it's ok for that to wait awhile... :-D
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Old 12-01-09, 10:58 PM   #16
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I have brought over two BRAND NEW spirit-r brake kits which included rotors and calipers, one was for a forum member Thu (id: TNN) and another who is not on this forum.
Dude thats very wrong. You have to mention a price to man. I'm dying over here.
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Old 12-01-09, 11:25 PM   #17
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Too bad the Mandeville big brakes aren't available anymore... It seems like the RZ brakes are probably the next best thing if you don't go for a full BBK.
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Old 12-02-09, 02:09 PM   #18
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I run the RS/RZ rears on my current track car. Rotors last longer than the stock 93-95 and they help even out my brakes in the front. I haven't decided yet if I'm going to order replacement stock rotors or send my old rotors to Coleman Racing and have them make replacements.
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Old 12-02-09, 03:14 PM   #19
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Those DBA larger size rotors are still unavailable as of yesterday, although they've had a catalogue listing for years. Not sure I'd place too much credence on them supplying the original SP ones either, as Mazda was making them in that time frame. If you wanted to go two piece, they do have a rotor you could use, suitably modified.

A local guy here does do a mandeville style spacer for the small calipers, with your material cost advantage and manufacturing apparently in the doldrums over there, I'd be amazed if you couldn't get a run done for a lot less locally!

Quote:
Originally Posted by memphisraines82
I run the RS/RZ rears on my current track car. Rotors last longer than the stock 93-95 and they help even out my brakes in the front. I haven't decided yet if I'm going to order replacement stock rotors or send my old rotors to Coleman Racing and have them make replacements.
If you do get Coleman to do a replacement - two piece, I'd be interested in rears....wanted a sample to work from, which would be a killer on freight sending there and back.
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Old 12-02-09, 04:07 PM   #20
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DBA Australia once sent me to the US distributor to KNS Brakes. That seems to have died. As to sthe SP and Mazda, mazda developed the Big brake set for the SP race car and DBA made the rotors; The Series 7 JDM made rotors came later.
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From: KNS Brakes [mailto:brakeguru@gmail.com]
Sent: Thursday, February 28, 2008 8:31 AM
To: Julian Bowes
Subject: Re: RX7 brakes - DBA
ok - so you really want a 2 piece front - hopefully not too expensive - and a good rear to match or just stick w/ the M speed one.
As far as a rotor ring - that is the hard part as it requires tooling or a cheap Coleman that gets machined down -
I will see if DBA has a ring that can be used - and if so - I can get hats made.
DBA has the drawing for the 1 piece that tells me what I need to know. DO you think I should try to make this thing? For me - 5-10 sets to start is plenty of business to go after.

-Ken

On Thu, Feb 28, 2008 at 9:24 AM, Julian Bowes <JBowes@letourneautechnologies.com> wrote:
Mazdaspeed USA still offers the JDM spec part and I assume still offered worldwide (at least for now), but Japan is dropping performance parts for the car like flys. We just want a better performance option (2 piece) and realization that a rotor is a regular maintance/wear part not a one time upgrade purchase.
Julian
________________________________________
From: KNS Brakes [mailto:brakeguru@gmail.com]
Sent: Wednesday, February 27, 2008 10:50 PM

To: Julian Bowes
Subject: Re: RX7 brakes - DBA
I see

I shall ask to see what the availability of the SP sized rotors are.

If a track guy had the SP brakes - where would he get rotors now?
On Wed, Feb 27, 2008 at 7:45 PM, Julian Bowes <JBowes@letourneautechnologies.com> wrote:
Ken,
(Series 6) US '92 – '95 and world wide thru '98 all models 16" wheels, rotors 294 x 22 F 294 x 20 R; front calipers alum fixed Sumitomo 4 pots, rear iron 1 pot . R1/R2 used same brakes; I am an R2 original owner, ordered and shipped from Japan with Mazda Motorsport Development help in early '95
(Series 6 limited edition) AU '95 RX-7SP (for AU market 35 including race cars, built to homologate car for Bathurst race) 17" wheels, rotors 314 x 32 F, 314 x 20 R; front calipers alum fixed Sumitomo 4 pots (differential pistons), rear iron 1 pot (same as Series 6 except mount radius).
Front pistons - Leading 33.9 mm, Trailing 38.1 mm
Front disk diameter - 314 mm
Front disk thickness - 32 mm
Rear piston - 34.9 mm
Rear disk diameter - 314 mm
Rear disk thickness - 20 mm
(Series 7) '96 – '98 JDM, AU, NZ & UK markets only, all with 17" wheels, but smaller brakes as per standard Series 6; RZ model had bigger SP brakes.
(Series 8) '99 – '02 JDM only, all with 17" wheels, big brakes from SP used in top of line models only, i.e.: the RS, '01 RZ (175 produced), '02 Spirit R (500 Type-A and 500 Type-B); all other models including Spirit R Type-C had standard brakes of Series 6.
Best regards,

Julian
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Old 12-02-09, 04:12 PM   #21
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I just e-mailed Ken.

How many would want DBA SP fronts and rears or 2-two SP fronts?
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Old 12-02-09, 04:16 PM   #22
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woops
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Old 12-02-09, 05:51 PM   #23
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holy crap i had no idea there was such a difference
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Old 12-02-09, 08:00 PM   #24
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Old 12-02-09, 09:57 PM   #25
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KNS Brake needs 20 orders to get them run.
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Old 12-02-09, 09:57 PM
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