I know it can be done to the front. What about the back?
Can the C5 calipers be used in the back?
What about the C5 rear rotor? How did/do you incorporate the different style e-brake?
Can you use the C5 rear capiler on the C4 rotor?


Lots of questions. Hopefully someone can answer. I've been thinking about putting be Z06 calipers on because I really like their stock RED look. I don't think the front will be a problem, but I haven't heard anything about the rear.

 

No, the rear calipers are not compatable.
You can mount a set of front calipers on the rear. The Electro-dynamics guys make an adapter to do this on early C4s but they haven't done the newer C4 yet. It might be the same as I don't think the rear brakes changed but I'm not sure. It is very expensive(add$400 on to the price of the front conversion to do the rear) and you get very little improvement in braking as the front does 80% of the work. I would paint the calipers for $10 and then they will match. Besides, the rear calipers on the C4 are just as good as C5 at braking but they have a better setup for the handbrake.
:cheers:

 

From what I've "heard" the earlier C4's and the C5's have shoes inside the rear rotor for the e-brake. On the later C4's the e-brake locks the caliper in place. I'm not crazy about this setup, that's why I'm trying to see if it's possible to use the C5's. Hopefully more will chime in on their experiences. If If I just paint the stock rear ones red, then I might as well get the GS fronts and paint them red also.

 

Not really. The C5 front brakes are tons better than the Grandsport brakes. Bigger pistons, better feel, larger width rotors. They stop much better than any stock C4 setup. I wasn't able to find any differences in C5 rear brakes. The guys at Vette Brakes said they took a step back in technology compared to the C4 rears. :cheers:


[Modified by 92TripleBlack, 10:11 PM 12/13/2001]

 

Electro-Dynamics has another installation package of rear brakes on a C4 that includes the rear C5 caliper, rotor, and the C5 parking brake assy.

If you wish pictures can be posted at the Electro-Dynamics website or here later today. Let me know what you wish. As we use the C4 rear axle and bearings, there is approximately 1/8 inch less engagement of the shoe to the rotor drum. That is the major functional difference.

The installation of all C5 rear caliper, rotor, and parking brake is rather expensive due to all the machining.

The pictures are of the parts necessary for an early C4 rear, however the later C4 is similar, but with less aluminum material.

92tripblack is also correct in that Electro-Dynamics makes the adapters for C5 front caliper and rotors for the rear of the C4, both early (1984-87) and late (1988-96) late. This eliminates the parking brake, and is more visually stunning with the larger rotors and the large calipers with Corvette lettering.

They also make adapters for the fronts of the C4's, all years.

 

Thanks for the info. I definitely can't eliminate the parking brake, as it won't pass state inspection without one, and wouldn't be that safe since it's a 6sp. It looks like, at this time, the best way to go would be to add the C5 brakes up front and paint the stock C4 rear caliper to match.


[Modified by R94 LT 1, 6:20 AM 12/15/2001]

 

So Gene, you never got the C4 park brake to work with the C5 rotor?

I thought that was the plan.

 

You are correct, the original thought was to incorporate the original C4 parking brake. However, in the end it was easier to incorporate the C5 parking brake.

Yes Electro-Dynamics has a functional C5 parking brake with the C5 rear caliper and rotor for a C4.

Electro-Dynamics made a committment to install the front C5 on the rear first. Most of the input was not to just duplicate the C5, but to make something better with standard components. Having done that, it was easier to adapt the C5 parking brake and the C5 rear caliper. The C5 front and rear calipers both take the same mount on the C5 Corvette itself.


The following is not how our current adapters are, but if had we utilzed the original C4 cast aluminum parking brake housing:
To make a different adapter for the cast aluminum piece on the C4's (early) would have smaller bolts (C4) taking the stress of an application that has larger bolts (14mm). Also the cast drum brake housing would have to be notched, as well as the caliper rotated. The adapter bracket would have been stepped. These things are not insurmountable, however we accomplished the same thing with a much cleaner look, by making a billet piece.

Thanks for inquiring (I'm logged on at work, if you don't recognize this post name)
Gene284


[Modified by FastC4, 4:04 PM 12/15/2001]

 

So I'm I missing something here? From that post I'm I to understand that you've come up with a way to mount front C5 calipers to both the Front and Rear of a C4 and you can hook the C4's E-brake to the rear C5 system? Or, don't you not have an e-brake with this system at all? :confused: :confused: :confused:

 

It is confusing, isn't it.

Yes, Electro-Dynamics offers the following:

BR-001 = C5/Z06 front caliper assembly and rotor mounted on the rear of C4, no parking brake. This looks awesome.

BR-002 = C5/Z06 rear caliper assembly and rotor mounted on the rear of C4, no parking brake

BR-003 = C5/Z06 rear caliper assembly, rotor and C5/Z06 parking brake mounted on the rear of C4. Yes, parking brake!

Go to http://www.electro-dynamics.com and press the "C5 and C54 Brakes" button. The information you may be seeking should be on the third page.


Feel free to email me should you have more questions.




[Modified by gene284, 3:45 PM 12/16/2001]