2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Front brake upgrade, what to buy?

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Old Sep 14, 2008 | 01:16 PM
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Front brake upgrade, what to buy?

I want to upgrade my front brakes.

I'm using the car for trackdriving only, so need some big and powerfull brakes.


does anyone know about some good kits or brakes that fits to FC?

Doesn't need to fit bolt on, but easier the better..
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Old Sep 14, 2008 | 01:20 PM
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http://corksport.com/store/category/...rx-Brakes.html
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Old Sep 14, 2008 | 01:24 PM
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willwood, Evo writeup on this site, IS300 calipers with custom adapter....theres lots of options.

are you thinking mainly of upgrading pads and rotors or do you want a "big brake" kit, because Turbo II Rotor gave you a link for a big rear brake setup- the front brakes are already pretty good. maybe you should invest in some SS lines, slotted rotors and good pads. have you ever heard of a Master Cylinder brace?
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Old Sep 14, 2008 | 01:33 PM
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There are a couple front big brake kits in that link, open your eyes. Also slotted rotors would be a step down, Brembo blanks are what should be used with stock calipers.
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Old Sep 14, 2008 | 01:48 PM
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Stock 4-piston front brakes (You may have to do the five lug swap) and brembo blanks. A nice sharp pad set, too.
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Old Sep 14, 2008 | 01:57 PM
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Would you people stop suggesting stock brakes. Look at his sig, that car is going to be hauling *** and stock brakes are not going to be able to dissipate the heat.
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Old Sep 14, 2008 | 02:03 PM
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Originally Posted by Turbo II Rotor
Would you people stop suggesting stock brakes. Look at his sig, that car is going to be hauling *** and stock brakes are not going to be able to dissipate the heat.
I was just gonna say the same, all i got in my thread about brakes was the 4 pistons i had was good enough, they wont be for me either, what is this diehard trust in the original calipers actually? I CANT use em for god sake, i need something with ALOT more breaking power...
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Old Sep 14, 2008 | 02:04 PM
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The stock 4-piston 'big brakes' if rebuilt and ducted more adequately for cooling would be fine. I've seen it done. A lot of people are so ready to throw out what they've got for something they don't need to be re-engineering. Though it is important for better rotors, better pads to be installed. Cheap auto parts store pads and Duralast rotors won't work worth a damn.
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Old Sep 14, 2008 | 02:05 PM
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I have the 4 piston stock brakes now, and they wont do the job on the track..

Need some bigger brakes. Both calipers and disks.

Bigger is better
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Old Sep 14, 2008 | 02:09 PM
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Originally Posted by Acesanugal
The stock 4-piston 'big brakes' if rebuilt and ducted more adequately for cooling would be fine. I've seen it done. A lot of people are so ready to throw out what they've got for something they don't need to be re-engineering. Though it is important for better rotors, better pads to be installed. Cheap auto parts store pads and Duralast rotors won't work worth a damn.
Remove yourself from this thread.

NR, check out this thread and also try to do a search in this section for the "evo brembo swap"

https://www.rx7club.com/2nd-generation-specific-1986-1992-17/fd-rotors-fc-786512/
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Old Sep 14, 2008 | 02:18 PM
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i like the evo caliper/rotor swap.

They should be pretty cheap to get a hold of and it looks kinda easy on the write up.
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Old Sep 14, 2008 | 02:19 PM
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sorry^ my comp didnt display the pics for the kvr big brakes and i scrolled over it. i would have suggested those had i seen them, but i only saw the corksport big rear brake upgrade. on a lightened track FB, id say the 4 piston fronts would just barely cut it.

willwood always makes reliable stuff, and my comment about the EVO and IS300 brakes still stands (if you can figure out how to mount them)
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Old Sep 14, 2008 | 02:26 PM
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If cost is less of an issue, there are kits designed for the FC check out www.autornd.com

http://www.autornd.com/catalog/produ...fd59e072323e86

A nice alternative would be this kit:http://www.justjap.com/store/product...roductid=16151

Although, you need to run 17inch rims or larger for those. You may be able to run smaller with the endless mini 6 pot, but I'm not sure.
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Old Sep 14, 2008 | 02:27 PM
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Originally Posted by Turbo II Rotor
Remove yourself from this thread.

Excuse you? Too funny...
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Old Sep 14, 2008 | 03:10 PM
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Forgot about this one: http://www.vividracing.com/catalog/r...92-p-6800.html

Similar to G4 kit, same rotor size except 4 pot calipers. I'm assuming the actual surface area of the pistons is larger than oem.
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Old Sep 14, 2008 | 03:16 PM
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Here is the Evo Brembo thread, someone bumped it.

https://www.rx7club.com/2nd-generation-specific-1986-1992-17/my-evo-ix-brembo-calipers-fc3s-upgrade-719280/
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Old Sep 14, 2008 | 11:54 PM
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I hear the evo set up fits and if you have the clearance maybe you can upgrade to an endless evo VIII caliper and pads with some nice evo VII rotors.
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Old Sep 14, 2008 | 11:56 PM
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my bad evo IX
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Old Sep 15, 2008 | 02:12 AM
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Will the calipers from the backwheels of the EVO IX also fit the back wheels of the FC?
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Old Sep 15, 2008 | 02:52 AM
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id copy supernow's setup
check out their videos
http://www.supernow.co.jp/works/out.cgi?2

i posted a thread about that car a while back... Most japanese tuners usually go with parts from other cars or bolt ons.
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Old Sep 15, 2008 | 03:28 AM
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Originally Posted by Turbo II Rotor
Would you people stop suggesting stock brakes. Look at his sig, that car is going to be hauling *** and stock brakes are not going to be able to dissipate the heat.
I beg to differ...
His sig doesn't give enough information to warrant an effective suggestion.

To me, brake capacity is a fuction of:
1) traction
2) vehicle weight
3) maximum vehicle speed, which is a function of power
4) application of the vehicle - i.e. what kind of racing?

Ultimately, tire traction will determine braking effectiveness.
There's no mention of what kind of tires (slicks? size?) he's going to use.

The chassis sounds like it's going to be REALLY LIGHT.
Lighter weight means smaller brakes.

Having to haul the car down from triple digit speeds is different that running an autocross.

Running down the 1/4-mile is different that doing a 24-hour enduro.

Notice, NONE OF THE ABOVE was answered in his .sig.


-Ted
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Old Sep 15, 2008 | 06:50 AM
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Will an upgrade of the engine leading me too 400 bhp need me too get new Calipers all together or will a simple brake pad upgrade do?
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Old Sep 15, 2008 | 08:05 AM
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Originally Posted by RETed
I beg to differ...
His sig doesn't give enough information to warrant an effective suggestion.

To me, brake capacity is a fuction of:
1) traction
2) vehicle weight
3) maximum vehicle speed, which is a function of power
4) application of the vehicle - i.e. what kind of racing?

Ultimately, tire traction will determine braking effectiveness.
There's no mention of what kind of tires (slicks? size?) he's going to use.

The chassis sounds like it's going to be REALLY LIGHT.
Lighter weight means smaller brakes.

Having to haul the car down from triple digit speeds is different that running an autocross.

Running down the 1/4-mile is different that doing a 24-hour enduro.

Notice, NONE OF THE ABOVE was answered in his .sig.


-Ted
I rest my case. Thanks, Ted.
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Old Sep 15, 2008 | 12:30 PM
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I have a 2nd gen with stock 4 pot brakes running Hawk Blue front and Hawk Black rear. Fronts are ducted and I have a Wilwood prop valve to adjust brake bias to the rear. These brakes haul my 2500# E production race car with slicks down from 150mph with no problem and no fade. I consistently out brake the cars I run against. I don't understand the obsession some people have with replacing what is more than adequate already.
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Old Sep 15, 2008 | 02:33 PM
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Originally Posted by Don49
I have a 2nd gen with stock 4 pot brakes running Hawk Blue front and Hawk Black rear. Fronts are ducted and I have a Wilwood prop valve to adjust brake bias to the rear. These brakes haul my 2500# E production race car with slicks down from 150mph with no problem and no fade. I consistently out brake the cars I run against. I don't understand the obsession some people have with replacing what is more than adequate already.
Thank you as well.
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