5abivt

I know theres a bracket available to mount c5 calipers on the c4. How do the c5 and c6 and more specifically the c6z brackets differ ? There is a 15" stoptech caliper/rotor kit available for the c6z I'm interested in purchasing just need to know what I'll need.

TIA

vinnies87

Try the search function, been alot of archive posts on this...

jpobrien

Vette Brakes and Products has a pretty good front C4 to C5 kit that I got last year. I will say that I am disappointed overall in the perfomance of the C5 brakes (on a road coarse). I have been having very bad problems with pad taper (uneven wear top to bottom).

Zix

The C5 and non-Z06 C6 brakes can be easily made to fit. I'd look into the Z51 C6 brakes, as they have slightly larger rotors, but the same calipers.

The Z06 brakes can be made to fit but only if you have 18"+ wheels up front, and I'm not aware of anyone making a kit to mount them to a C4 at this point.

5abivt

The stoptech kit consists of brackets to make them work on the c6z so I can imagine there's a way to get them to fit since the c6z brakes can work. I've been talking to DRM about ways to get the brake master larger for more pressure etc with the use of 15" brakes that might have 6 or more pistons.

staugur

Basic hydraulics-larger bore on the master= less pressure at the caliper.

Sidney004

With regard to the uneven wear you are experiencing after track use top to bottom; are you also noticing greater wear on the outer diameter compared to the inner diameter(where the pad contacts the rotor) on the same pad? I just noticed that same wear pattern on my
J55 inboard pad after heavy track use; which is the same fundamental type of design. It turned out that the caliper had spread 4mm, you should dimensionlly check your calipers. Measure the dimensions between the face of the pistons and the opposite face at the bottom and the top and compare the dimensions.

BAM92

Members Jeffvette and Wdwmaker (sp.) put some 06 ZO6 big brakes on the front of a buddies ZR1. Think they were working on putting the big rears on also.

Tom Piper

For more pressure at the pads, go larger bore at the caliper or smaller at the master cylinder.
All else being equal, larger bore at the caliper or smaller bore at the master cylinder will make it so the pedal has to travel further to do the job.

Tom Piper

Jeffvette

Wdo_mkr had nothing to do with that kit.

The stoptech kit from what i remember is a radial mount kit. So adapting it to fit is fairly easy. It's just the cost that will set you back some. Plus when you start running a 13.5" rotor, you need to have a 18' rim to handle the rotor/caliper combo.

CentralCoaster

Assuming the stoptech is a fixed caliper setup, it probably won't fit the 88-96 adapter plate. The holes would line up but the caliper body would interfere.

I would need pics to really tell.

FF1wms

John,
It sounds like you might have spread your calipers abit. Take some measurements to verify.

CentralCoaster

Top to bottom sounds like hard braking and the pads rolling over, not spreading calipers. Probably no easy fix other than don't use the brakes so hard.

This is the reason for progressive piston sizing in some of the racing brakes.

Sidney004

Interestingly, I noticed the top to bottom wear pattern as well the radial wear pattern on the pads from a caliper that had spread; more so on the inboard side pad. The wear pattern on the pads on the right hand side, which had not spread was relatively normal. I wonder if they are interrelated? It resulted from severe braking at the track.