NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   CRAPPY BRAKES! (https://www.nopistons.com/2nd-generation-specific-17/crappy-brakes-58974/)

j9fd3s 05-07-2006 03:13 PM


Originally Posted by Cheers!' post='817758' date='May 6 2006, 10:33 PM

That's interesting. But it's not really an upgrade. Could be a downgrade if it messes up the stroke/pressure/assist etc.....



I wonder what size bore the rx8 master cylinder is. The 929 is a 1" bore. The S5TII ones are 15/16" bore. I like the 929 master a lot. Full brakes is like 1.5" travel. Then it's rock hard and you get to modulate the brakes based on the pressure/effort you apply on the pedal rather than trying to move it 1 mm more or less to modulate.



i know the tribute is a 1" master too, i dont know the sizing on everything else, but an s5 t2 booster is not exactly easy to find..... but there are a lot of mazdas that share the same booster to firewall bolt pattern, and the rx8 stuff is CHEAP. the s5 t2 booster is like $300 and the rx8 is like $90

BigTurbo74 05-08-2006 04:03 PM

so is it fixed now? what was the solution?

j9fd3s 05-09-2006 09:58 AM


Originally Posted by BigTurbo74' post='818033' date='May 8 2006, 02:03 PM

so is it fixed now? what was the solution?



nope, its a little better, but still shitty.

RONIN FC 05-09-2006 12:22 PM


Originally Posted by j9fd3s' post='818188' date='May 9 2006, 10:58 AM



nope, its a little better, but still shitty.



Maybe the master is pulling back fluid?

j9fd3s 05-09-2006 04:44 PM


Originally Posted by RONIN FC' post='818213' date='May 9 2006, 10:22 AM

Maybe the master is pulling back fluid?



pulling back? https://www.nopistons.com/forums/pub...IR#>/blink.png

dcrasta 05-09-2006 06:00 PM

Bench bleed

phinsup 05-09-2006 06:03 PM

we were just talking about this today, both my verts have had mushy breaks, i replaced all calipers, ss lines, slotted rotors and pads still the same.



Dunno

dcrasta 05-09-2006 06:08 PM

You dont follow directions. Bench bleed the master, bleed from the furthest point to the closests point. Rock solid brakes. Simple.

j9fd3s 05-09-2006 07:44 PM


Originally Posted by dcrasta' post='818278' date='May 9 2006, 04:08 PM

You dont follow directions. Bench bleed the master, bleed from the furthest point to the closests point. Rock solid brakes. Simple.



did that twice! 2 different people! 2 seperate occasions!

Volksjager 05-09-2006 08:10 PM

does your car have a proportioning valve?? my 88'vert has one right next to the master. it is the only part i can think of that has not been covered already in this topic. this is very important in distributing pressure between the front and rear.


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