NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   2nd Generation Specific (https://www.nopistons.com/2nd-generation-specific-17/)
-   -   Brake Fade (https://www.nopistons.com/2nd-generation-specific-17/brake-fade-20734/)

evilT2 07-14-2003 02:34 PM

So i experienced my first run in with brake fade the other day after multiple +100mph stops. Quite unpleasant business. Im just using the standard autozone special pads. What do you guys think about other pads or cross drilled rotors and their resistance to fade?

UniqueTII 07-14-2003 02:38 PM

The rotors won't make a whole lot of difference unless you're out on the track. Better pads would help out a lot.

j9fd3s 07-14-2003 02:44 PM

yeah buy some good pads, and flush the brake fluid



mike

Jerk_Racer 07-14-2003 02:49 PM

Brake fade, huh? There's plent yyou can do to minimize it. Some good track pads will work very well under extreme heat. At least much better than the generic ones you have now. Brake fluid? How often do you change it? It tends to pick up moisture on account it's hygroscopic properties. But don't go with synthetic brake fluid. Personally, I think the feel of it sucks. I use Castrol LTM and it works well for me. I hear the Heavy Duty Ford brake fluid does well and is very nicely priced. But I don't know that one first hand. Do you have stainless steel brake lines? If not, get some.



OK, so I really haven't touched upon getting rid of brake fade yet but ways of making your braking system ready to be flogged upon. If you've covered all of those points I brough up already, then you're ready to move to the main problem - the rotors. Normally I'd say stick with the those OE rotors. I think crossdrilled are bunk. Somebody might bring up their positive points, but I feel that those points are not worth it if you're on the track doing lap after lap punishing your brakes big time. If you're going from 100 to slow time and time again then your rotors are probably not large enough to soak all of that heat. A few holes won't solve your issue. But larger brakes will.



Before you plunk down a stack of cash on the larger brake rotors, make sure you've done everything else first. Have you set up fresh air ducts to directly force fresh air from the nose onto the rotors? Fresh air helps shed that excess heat. After all, this is why they're fading. Too much heat in them. Don't forget the brake balancer if you do go with the larger brakes.



Good luck.

75 Repu 07-14-2003 02:50 PM

Get the pads with wings..



haha ok.. Yeah, beeter pards are gooder, but won't trhey warp stock rotors too fast cuz of the added heat..

Jerk_Racer 07-14-2003 02:51 PM

Yeah, as UniqueTII said, if your not on the track then don't go for the larger rotors. If this is happening on the streets then I think you need to take it down a couple of notches for everybody's safety. https://www.nopistons.com/forums/pub...DIR#>/wink.png

evilT2 07-14-2003 04:33 PM

yea im not about to buy bigger brakes, new rotors and calipers are just too costly to justify. so new pads would be a good idea then, any brands i should look for?



What i need to do for everyones safety is get better brakes, then we wont have fading problems.

RX7 13B 4 UR AZZ 07-14-2003 04:43 PM

Hawk makes great brake pads. and the EBC Green stuff is good and puts out very little dust. Personally I drove my friends fc he has the hawk pads front and rear, X-Drilled/ Sloted rotors front and rear SS brakelines, and im telling you his car stops on a dime. when he had el cheapo brand tires they would squirm and squeal if he was stoping quick. Not eveing flooring it. Then he got some G-force ta something tires and man makes you want to wear your saftey belt. Braking if you up grade I reccomend also upgrading your tires.

evilT2 07-14-2003 05:37 PM

Ive heard good things about hawk pads. My tires are getting pretty bald so im going to need some new ones anyway. Might as well upgrade the brakes while im at it. Thanks for the feedback https://www.nopistons.com/forums/pub...>/bigthumb.gif

RX7 13B 4 UR AZZ 07-14-2003 06:23 PM

no problem. You cant imagine how much diffrence there is between el cheapo and a set of bad ass tires. It makes you accelerate faster, stop faster, handel better, ride quieter, Great for drifting for when you need that extra control. https://www.nopistons.com/forums/pub...1047683329.gif https://www.nopistons.com/forums/pub...1047683329.gif



Tires The All Around Performance Mod !!!! https://www.nopistons.com/forums/pub...1047683329.gif https://www.nopistons.com/forums/pub...1047683329.gif https://www.nopistons.com/forums/pub...1047683329.gif https://www.nopistons.com/forums/pub...1047683329.gif

Jerk_Racer 07-14-2003 06:29 PM

I used EBC Green Stuff all around on my car. The fronts barely lasted beyond a single lapping day. Great pads for around town or autocross. But they do not last even as long as the box says they do. I went with EBC Red Stuff up front and retained the grippy Green Stuff in the back. This seems to work rather well. The front still will lock up before the rear can even with the less grippy pads up there. The front/rear balance seems to be better this way.

evilT2 07-14-2003 06:39 PM

speaking of tires im thinking of some goodyear eagle f1's or perhaps some kumho ecsta mx's. im using the ecsta supras right now and they seem to do fairly well, im a little dissapointed with the treadwear rate on them though. https://www.nopistons.com/forums/pub...DIR#>/wink.png

RX7 13B 4 UR AZZ 07-14-2003 06:49 PM

Kumo are not good tires. I had them on my beretta and after abouth 3 months the tire was loosing its composition. you could see the tread blocks uneven and the tire warped. No it was not over inflated! The tires also wore out quick. but imagine a FWD Turbo 60Degree V6 With a 5 speed Getrag and a 75 shot N2O running down the street on thoes tires. Ddnt reach 4 months. And wet traction is very poor. Now that my beretta is no longer my street racer i have a set of futura tires on it and they have better wet traction GO FIGURE!!!!

Apex13B 07-14-2003 06:51 PM

I've used the Bonez pads and they are great street/autox pads. You can get them at rx7.com, they stop my heavy vert with authority. As for tires, go for the michelin pilots, or BFG g-force. I've heard lots of good things about the new Michelin Pilot AS

evilT2 07-14-2003 07:42 PM

both the michelin and the bfgs look nice but theyre a little higher than i would like to pay so im kind of leaning toward a set of yokohama avs's. they appear to be fairly respectable without costing a fortune

Jerk_Racer 07-14-2003 09:09 PM

The Yokohama AVS Intermediates have been discontinued. The ES100's are good tires. Not a real replacement for the AVS, but that's how they're being sold anyway.

FCmaniac 07-15-2003 05:53 PM

I love the Hawk HP+ pads with Motul 600. The car stops on a dime every time.



Jerk, how is the feel different for you vs synthetic? just curious..

pengaru 07-15-2003 07:32 PM

it's likely that the major cause of your fade is the brake fluid so be sure to flush that out and fill it with something that has a high boiling point then see how it goes.

Nemesis 07-15-2003 08:15 PM


Originally Posted by pengaru' date='Jul 15 2003, 06:32 PM
it's likely that the major cause of your fade is the brake fluid so be sure to flush that out and fill it with something that has a high boiling point then see how it goes.

I use Super Blue. Haven't boiled it yet!

Apex13B 07-15-2003 10:04 PM

I'm using motul 600 also, for the past 6 months and its still clear, and i cant boil it. (stupid slow vert) https://www.nopistons.com/forums/pub...1047683785.gif


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