M20_Fever's RX-7 caliper rebuild

From the tranny down to wheel bearings.
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Re: M20_Fever's RX-7 caliper rebuild

Postby ///ivane30 » Thu Apr 21, 2011 8:10 pm

no problem dont worrry :-) most ppl use it on track and drift dont worry if u have this BIG rotors use it :-)
calipers from 728 tds are "BREMBO" :-)
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Re: M20_Fever's RX-7 caliper rebuild

Postby ponycarman » Thu Apr 21, 2011 10:34 pm

Wow thats interesting. Cool but kinda scarey haha.
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Re: M20_Fever's RX-7 caliper rebuild

Postby glucklich21 » Wed May 04, 2011 9:35 pm

Hey Tony, is it possible to run these in the rear? I'm looking for something to match up with my Ireland BBK that will be in the front. ;)
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Re: M20_Fever's RX-7 caliper rebuild

Postby M20_fever » Wed May 04, 2011 10:32 pm

Thats actually something I've been thinking about...I don't see why they couldn't be used in the rear. The problem will be finding a rotor that will fit properly. I want to keep my e-brake so it will be a little harder to find a rotor that will fit. I was planning on digging into it after this season is over.
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Re: M20_Fever's RX-7 caliper rebuild

Postby glucklich21 » Sat May 07, 2011 7:48 am

Hmm I may try the front stock caliper on the rear with some sticky pads or something. We shall see, gotta get it running first!
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Re: M20_Fever's RX-7 caliper rebuild

Postby dsc201knoc » Mon Jul 11, 2011 12:04 am

I just found out about this conversion so i decided i was going to do it.. not really for performance but just as an upgrade and for a fun project. Im sure they wont fit under my oem bottle caps anyway.

Thanks M20 Fever for this rebuild info. It is crazy to think the best rx7 caliper rebuild is on a BMW website. I just wish there was a realoem for mazda so i didnt have to go to the mazda dealership to deal with their parts department.

But just wanted to thank you for the info. :mrgreen:

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Re: M20_Fever's RX-7 caliper rebuild

Postby M20_fever » Mon Jul 11, 2011 1:35 am

Glad it was helpful Damon, brakes are always a good upgrade. I was so disappointed in the information (or lack of) on the Mazda sites, it was shocking how little info is out there.
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Re: M20_Fever's RX-7 caliper rebuild

Postby dsc201knoc » Mon Jul 11, 2011 1:53 am

M20_fever wrote:Glad it was helpful Damon, brakes are always a good upgrade. I was so disappointed in the information (or lack of) on the Mazda sites, it was shocking how little info is out there.


True, I think we get spoiled a little in the BMW community. we have realoem, that is like a god send.... As long as i have realoem comparing and gathering info is so easy. Nothing like going to the dealership with the exact parts you need and let them plug the info into the computer. Half the time the guy at the dealership has no idea what i am talking about.. same at the mini dealership.

the infamous "umm uhhh, let me look over here real quick..... umm i think i have to order this part from germany"
the tech at MINI said that is the go to answer for everything they dont know about. :mrgreen:

Just picked up the calipers, rebuild kit, speed bleeders, bleeder covers, and brake pad retention hardware. I am going to run to the dealership to pick up some new caliper bolts next week.
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Re: M20_Fever's RX-7 caliper rebuild

Postby M20_fever » Mon Jul 11, 2011 1:41 pm

Yeah, I've found lots of parts on realoem that the dealer couldn't find in their etk.

Remember, chances are the rebuild kit does not include the little seal that goes between the two caliper halves so save and clean up the ones in there.
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Re: M20_Fever's RX-7 caliper rebuild

Postby dsc201knoc » Sat Jul 16, 2011 4:31 pm

M20_fever wrote:Yeah, I've found lots of parts on realoem that the dealer couldn't find in their etk.

Remember, chances are the rebuild kit does not include the little seal that goes between the two caliper halves so save and clean up the ones in there.


Took apart the calipers today, 1 piston was a real pain to get out. I may have to replace it. I may not... the guy who had it before me greased it up and pushed it all the way in so it made a vacuum on the base. But they are all apart and i took photos, you were right about having the impact gun and all the tools handy, made it a breeze. Grinded off the mazda on the front. If i get them painted ill go get a blast box from Harbor freight tools, but if i get them powder coated they blast everything before coating.

Yes Yes Yes... I kept the gaskets that go in between the caliper halves :wink: i have them in a baggy.. :mrgreen:

Photos posted on my build topic..
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Re: M20_Fever's RX-7 caliper rebuild

Postby 8020Valve » Mon Nov 10, 2014 7:28 pm

This thread appears near the top of any FC brake caliper rebuild search -- so I though I would add some useful info. Hope you don't mind.

The flat o-ring seals between the caliper halves ARE included in the Centric kit. PN: 143.45011 One kit does one caliper. I bought two kits just for these seals and it turned out the steel keeper rings are better in the Centric kit than the Mazda OE kit, which I used for the other seals. :)
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Re: M20_Fever's RX-7 caliper rebuild

Postby Yoshi » Tue Nov 11, 2014 12:23 pm

TY! I updated the main posting with this info.
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Re: M20_Fever's RX-7 caliper rebuild

Postby M20_fever » Tue Nov 11, 2014 2:44 pm

Thanks!
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Re: M20_Fever's RX-7 caliper rebuild

Postby Motion » Mon Nov 17, 2014 1:00 pm

I'm currently doing the same brake upgrade to my E30... Just pickup a set of FD Cliper on rock auto for 72$ each including cores! Now I need to hook up the BMW hose to this japs caliper ...

I was searching for the caliper 2 hose adaptor and I can't find anything ... Where did you purchase the brake hose adapter ?

What are the spec of this adaptor?? Do you have the part number ????
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Re: M20_Fever's RX-7 caliper rebuild

Postby M20_fever » Mon Nov 17, 2014 3:47 pm

M10 male inverted flare/M10 female bubble flare

from WhoDwho on tech:
The SAE/double (inverted/45degree) flare and the DIN/ISO bubble flare. We will refer to them as SAE or DIN flare.

Concave Seat
For use with I.S.O.
Bubble Flare

Convex Seat
For use with S.A.E.
Double inverted flare

ISO is a Bubble Flare - having a Convex (rounded) tip which mates with the concave part in the fitting -ISO brake line))ISO fitting

SAE? is a double flare - having a concave tip which mates with a convex part in the
fitting SAE brake line((SAE fitting

metric European (not Asian) fitting

m10x1 inverted male - bubble flare female

http://www.lawsonproducts.com/webapp...BRAKE+FITTINGS

http://brassfittings.thomasnet.com/i...39621?&seo=110
http://www.parcelparts.com/servlet/Detail?no=750

SAE 45 degree - double flare - inverted flare

DIN/ISO or blubble flare female - inverted flare male

10mm x 1.0 Male thread inverted Flare
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