Rear Z06 Caliper Install

[XfireZ51]

Taking advantage of relatively "warm" temps (got up to 40 today), thought I would start tackling the rear Z06 caliper install. Contacted Ricky for his guidance as well. And in one of those "while I am here" kind of things, also installing LED side backup lamps and an NPP controller for the Z06 exhaust control valves.
Whenever I've done rear hub bearing replacement I usually just disassemble the whole carrier so getting to the 3 Torx bolts isn't a chore and I know I can get a good fit into the Torx head. They take 66lbft. And with cold weather and wear,
who knows.
As a side note, if you haven't gotten at least one spray can of KROIL, you're crazy if you do your own work.Makes PB Blaster look like PAM. KROIL breaks just about any bolt or nut I put it on. Fantastic stuff.

So here are some pics:

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/E66463E5-88A4-464D-BDAF-9B702CB4892B_zpsfii0oegr.jpg (http://s187.photobucket.com/user/Z51Xfire/media/ROZA%20NERO/E66463E5-88A4-464D-BDAF-9B702CB4892B_zpsfii0oegr.jpg.html)

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/3852513B-45EA-4D7E-A30E-7087B20822CE_zps0p8jdqdj.jpg (http://s187.photobucket.com/user/Z51Xfire/media/ROZA%20NERO/3852513B-45EA-4D7E-A30E-7087B20822CE_zps0p8jdqdj.jpg.html)


BTW, does anyone know how to get the lower sway bar link bushing out and where to get another one. Mine's pretty much done.

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/24923108-928E-468D-A5ED-3D7586C27A22_zpse3dpzwy4.jpg (http://s187.photobucket.com/user/Z51Xfire/media/ROZA%20NERO/24923108-928E-468D-A5ED-3D7586C27A22_zpse3dpzwy4.jpg.html)


Here's a pic of the LED backup lamp installed. BRIGHT WHITE! But the bulbs you buy need a slight mod to them. They come with a collar that does not allow them to be inserted completely into the socket. The collar needs to be ground down a bit.

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/26C24454-DBB3-4369-BF49-6D4104CCF0A1_zpsjwj7ul7u.jpg (http://s187.photobucket.com/user/Z51Xfire/media/ROZA%20NERO/26C24454-DBB3-4369-BF49-6D4104CCF0A1_zpsjwj7ul7u.jpg.html)


And then finally, I got a Mild2Wild NPP Controller from NPP in a Box. With this I'll be able to control the NPP exhaust valves to remain open or closed. So at low vacuum conditions during cruise, the valves will stay closed, eliminating any drone when going up hills as an example. The valves are controlled using a supplied key fob. Putting the controller by the Charcoal Cannister.
Thinking about where to tap off for Switched Power. The power wires reach into the engine bay so perhaps as Mike100 suggested, pull power from the fuel pump tap by the firewall near the ECM. Thinking about using a relay bringing power from the BATT block behind the left side gill panel and using the fuel pump tap to energize the relay.

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/8834ECFB-5A7D-4466-9F52-3CB13EDCE29C_zpstso0vhq5.jpg (http://s187.photobucket.com/user/Z51Xfire/media/ROZA%20NERO/8834ECFB-5A7D-4466-9F52-3CB13EDCE29C_zpstso0vhq5.jpg.html)

[-=Jeff=-]

get the energy suspension kit for the rear.. I have one side done and need to finish the other and then put the body pieces on for the rear..

[XfireZ51]

get the energy suspension kit for the rear.. I have one side done and need to finish the other and then put the body pieces on for the rear..

Right now I'm just looking to replace the bushing. I've done other bushings already. Got plenty of other projects going.

[-=Jeff=-]

Yeah I used the Energy kit.. you can just replace the ends.. finish the rest later, I don't think the Anit roll bar kit is too expensive

[Schrade]

Here's a pic of the LED backup lamp installed. BRIGHT WHITE! But the bulbs you buy need a slight mod to them. They come with a collar that does not allow them to be inserted completely into the socket. The collar needs to be ground down a bit.

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/26C24454-DBB3-4369-BF49-6D4104CCF0A1_zpsjwj7ul7u.jpg (http://s187.photobucket.com/user/Z51Xfire/media/ROZA%20NERO/26C24454-DBB3-4369-BF49-6D4104CCF0A1_zpsjwj7ul7u.jpg.html)



http://www.smileyvault.com/albums/userpics/12109/thumb_smileyvault-cute-big-smiley-animated-009.gif

Can't see the ground part there buddy!

[XfireZ51]

Can't see the ground part there buddy!

Its at the interface of the lighting element and the bulb base. You'll know it when you see it. Compare it to the incandescent bulb.

You can see the "collar" here. Needs to be ground down but not too much otherwise you'll separate the base from the lighting element.

http://store.ijdmtoy.com/BAY15d-2357-7528-Switchback-LED-Bulbs-p/led_1157_sku_3e.htm

[XfireZ51]

Finally got the NPP in a Box installed. Thank you Marc Haibeck for your suggestion on using the secondary air pump switched power.

Here's a vid of the NPP working.


http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/th_F95582E9-8DBA-41F6-BC33-751EB8209ACE_zpsqaksj4p3.jpg (http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/F95582E9-8DBA-41F6-BC33-751EB8209ACE_zpsqaksj4p3.mp4)

[USAZR1]

Pardon my ignorance but what is NPP in a Box?

[scottfab]

Here is "NPP in a Box" on a C6.
Post something like this when you can.

http://www.youtube.com/watch?v=9GGzRUmDJSg

[XfireZ51]

Here is "NPP in a Box" on a C6.
Post something like this when you can.

http://www.youtube.com/watch?v=9GGzRUmDJSg

Scott,

That's my car in the video I posted. NPP in a Box is used in conjunction w the Z06 exhaust control valves/tips. It controls the vacuum flow to the tips. Prior to installing NIAB, the valves will open and close based on engine vacuum. So you could introduce drone, even while holding the throttle steady, simply w the car going up a hill which increases MAP. NIAB forces the control valve to either stay open or closed and its controlled using a key fob as you see in the video.
For some reason, my unit stopped working and the manufacturer has agreed to R&R it. So I hope to have it back on in the next few weeks.

[Coupe89]

On the rear brakes. How are you adapting the e-brake?

[scottfab]

Scott,

That's my car in the video I posted. NPP in a Box is used in conjunction w the Z06 exhaust control valves/tips. It controls the vacuum flow to the tips. Prior to installing NIAB, the valves will open and close based on engine vacuum. So you could introduce drone, even while holding the throttle steady, simply w the car going up a hill which increases MAP. NIAB forces the control valve to either stay open or closed and its controlled using a key fob as you see in the video.
For some reason, my unit stopped working and the manufacturer has agreed to R&R it. So I hope to have it back on in the next few weeks.

Oh, so you're Kadorja (http://www.youtube.com/user/Kadorja?feature=watch) or Kadorja (http://www.youtube.com/user/Kadorja?feature=watch) posted it for you.
Sounds sweet for sure. I'd be wanting a simple on/off switch like I designed into my 73 mustang in the 70s.
Had lots of fun with that making lots of noise then switching it to "stealth" mode as I called it.

[XfireZ51]

Oh, so you're Kadorja (http://www.youtube.com/user/Kadorja?feature=watch) or Kadorja (http://www.youtube.com/user/Kadorja?feature=watch) posted it for you.
Sounds sweet for sure. I'd be wanting a simple on/off switch like I designed into my 73 mustang in the 70s.
Had lots of fun with that making lots of noise then switching it to "stealth" mode as I called it.

No you misunderstood. There is a vid which is part of my post. That's my video.
Since the valves operate on vacuum, the fob is the on/off switch. However, there is also an optional footswitch ala the old days hi beam switch.

[Blue Flame Restorations]

Dom, where can the controller be purchased?

[XfireZ51]

On the rear brakes. How are you adapting the e-brake?


Here'a pic of the C6Z adapter from Street Shop. It comes w the C6 eBrake assembly.

http://i187.photobucket.com/albums/x198/Z51Xfire/IMG_0488_zps46854ce3.jpg

[RICKYRJ1]

On the rear brakes. How are you adapting the e-brake?

The E-brake is now a GM drum type in the rear rotor hat. Uses springs & shoes to engage, works great :salute:

[XfireZ51]

Dom, where can the controller be purchased?

Brett,

You can go here. http://www.nakidparts.com/id78.html
Make sure you get the Retrofit kit. The less expensive kits work w the OEM system already in place. There's some minor modification of the electrical connectors that are supplied w the unit, but no big. And as a vacuum source,
you utilize the one running to the back for the Charcoal Cannister. Its perfect for this application. Kudos to Pete and Al for coming up w this a few years ago.
I decided to adapt the M2W stuff for it.

Scott,

Maybe you could come up w a programmable circuit that uses an RPM feed to enable the valves. That would eliminate the need for the wireless key fob or make it optional.

[scottfab]

...snip....

Maybe you could come up w a programmable circuit that uses an RPM feed to enable the valves. That would eliminate the need for the wireless key fob or make it optional.

That would really be handy on long trips. I could see being able to "tune out" as much as possible and resonance. hmmmm

[XfireZ51]

That would really be handy on long trips. I could see being able to "tune out" as much as possible and resonance. hmmmm

That's the point of the Z06 tips. Basically the exhaust control valve eliminates the need for and the added weight of a resonator. When the valves are closed, the cabin is pretty quiet at cruise. You could feed a tach signal to a circuit that would enable vacuum flow to the valves at a user programmed rpm point, say 3500. Micro switches? Anything below that and valves stay closed until you basically want to "get on it". An "electronic window" switch like the one used for shift lights perhaps.

[XfireZ51]

Here are some pics of Ricky's setup that I am looking to install.

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/655A4AD0-35C8-496C-AA57-CE98D5911B53_zps45uxt82c.jpg (http://s187.photobucket.com/user/Z51Xfire/media/ROZA%20NERO/655A4AD0-35C8-496C-AA57-CE98D5911B53_zps45uxt82c.jpg.html)

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/EBA45417-C55B-46AD-85AE-6E79A0FFC295_zps27g5uio9.jpg (http://s187.photobucket.com/user/Z51Xfire/media/ROZA%20NERO/EBA45417-C55B-46AD-85AE-6E79A0FFC295_zps27g5uio9.jpg.html)

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/ABEB2BAE-1362-4572-A332-F3CCF8F4B2BE_zpsadtwlkbt.jpg (http://s187.photobucket.com/user/Z51Xfire/media/ROZA%20NERO/ABEB2BAE-1362-4572-A332-F3CCF8F4B2BE_zpsadtwlkbt.jpg.html)

[XfireZ51]

The E-brake is now a GM drum type in the rear rotor hat. Uses springs & shoes to engage, works great :salute:

Ricky,

I just go my C5 eBrake cables but the ends don't look like the ones in your pics.
It appears that you needed to relocate the cable mounting point because of the interference w the ABS sensor. Am I correct about that?
BTW, did you have much issue adjusting the drum brake? There's no slot to reach the adjuster so looks like you need to pull rotor to access it.

[XfireZ51]

Here's a few of the latest. Now have the sway bar back up altho loosely bolted.
The streetShop adapters are bolted onto the hub bearing carrier. Al at Brakes Plus modified the eBrake cable brackets on the adapter so the cable will not interfere w the ABS sensor. Ran into another "while ur here" item. The dog bone bushings are cracked. $50 shipped from Summit for Energy Suspension.

Some pics

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/C1D5723E-76C5-448A-8695-1EDB2A391853_zpsd7bwlust.jpg

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/5F727EB4-21E5-4924-8BB6-BC96B45DCC49_zpsqysss45r.jpg

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/9159D000-EEE1-4B29-9573-2536FA9737A5_zpsltkpqwf7.jpg

[XfireZ51]

Things starting to come together. Its cold. New dogbone bushings, new tie rod end. Need new brake caliper mounting bolts. Using the Allen socket head won't work not enough room so need to switch to hex head. Passenger side next. Also installing NPP CONTROLLER. We should be getting into the 30s and maybe even 40 next week so should get some more work done then.
Caliper looks like it would be plenty big for handling the front braking.

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/F961F999-5317-47DA-8639-30D8AB597AA5_zpskmhsol6a.jpg

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/32488735-1D87-41F2-88EF-B3B69265A6F9_zpsnlw4dj1k.jpg

[FU]

Very nice work Dom :cheers: Al has some nice work in there also.

[XfireZ51]

Very nice work Dom :cheers: Al has some nice work in there also.

Al did a nice job modifying the eBrake bracket on the Street Shop adapter. Repositioning the eBrake cable mount hole eliminates the interference between the ABS sensor and the brake cable. Then he cut off the excess material on the bracket.
While I was there I also installed LED bulb for rear side reverse lamp.

[mike100]

Brrrr. I'd wait for April, but a couple of hours here and there...

(It was 85 degrees in San Diego today)

[XfireZ51]

Brrrr. I'd wait for April, but a couple of hours here and there...

(It was 85 degrees in San Diego today)

Mike,

A good pair of insulated coveralls and gloves and 30d Temps aren't so bad. But we've been in sub zero and teens at best most of January. Tonight it's -1. I converted my 84 4+3 to a ZF-6 in January about 10 years ago. Every year I say I won't do a winter project and end up doing one anyway. This time I'm doing about 4 of them simultaneously. Interior is done except for seats.

[Schrade]

Mike,

A good pair of insulated coveralls and gloves and 30d Temps aren't so bad. But we've been in sub zero and teens at best most of January. Tonight it's -1. I converted my 84 4+3 to a ZF-6 in January about 10 years ago. Every year I say I won't do a winter project and end up doing one anyway. This time I'm doing about 4 of them simultaneously. Interior is done except for seats.

You're hardy dude.

I used to love the cold. Used to say only lazy people get cold. But something about the wind, and just standing still IN IT wrenchin' that changes your attitude. And hearin' everybody say that the planet is warmin', just makes my BP go up... Local energy provider said this Winter ('13 - '14) is off the charts right now. '10 - '11 Winter they said was worst since '77, '11 - '12 worst since 1934.

Last Winter was mild. Of course. My Z spent the entire Winter going back and forth to the speed shop that hacked my A4 conversion.

Aren't you afraid of scratching paint? No protection?

[XfireZ51]

The earth is warming. Ask the Australians.
Why would I be scratching the paint? I'm working on the brakes.

[XfireZ51]

Able to finish up some minor items yesterday.

1. Installed Passenger side half shaft
2. Replaced SS braided brake line compatible w C6Z calipers
3. Re-installed NPP controller. Hopefully see if it works today.
4. Replaced tie rod end.


Next up:

1. Install inner wheel well
2. Connect hub carrier
3. Torque all nuts/bolts
4. Install brake pads
5. Install rear calipers w new bleeders
6. Connect eBrake cables
7. Bleed brakes
8. New wheel alignment

I'll be interested in seeing how car drives now that I have replaced rear suspension pieces and installed poly bushings. There are new bushings in the rear trailing arms (dogbones) and the rear sway bar links. Rear tie rod ends also replaced. New main sway bar poly bushings.

[XfireZ51]

We're heading back into the deep freeze for the next 10 days. Wednesday the HIGH will be 9F. Tuesday night it's -6F. Highs will be in low 20's going into March.
With that backdrop, decided to spend the weekend in the garage since it was 30F and sunny. Both axles are back together and torqued. Next step is assembling the calipers with the pads, mounting calipers and rotors and torquing. Meantime, I started looking at the eBrake cable setup. For some reason I recall somebody telling me C5 cables would work. Today, I tried a very rough test fit. The C5s are waaaayyyyy too long. One side will practically reach reach the other side. =Jeff= has some 87 cables that we could test fit since the 87 also had drum eBrake. Might need to shop for Lokar universals.

[Dmod81]

I went straight to the universal cables and it seems to work pretty well, plus the universal kit has an adjustable nut/mount on the inner ends so you can adjust for any slack or whatnot. I left all of the stock cabling in except for the outer cables to the calipers. I had to buy a swaging tool and then grind down the swages a bit to fit in the stock receptacles. Otherwise, it was pretty easy.

http://www.zr1.net/forum/picture.php?albumid=162&pictureid=2448
http://www.zr1.net/forum/picture.php?albumid=162&pictureid=2449
http://www.zr1.net/forum/picture.php?albumid=162&pictureid=2452
http://www.zr1.net/forum/picture.php?albumid=162&pictureid=2453
http://www.zr1.net/forum/picture.php?albumid=162&pictureid=2454

[Schrade]

Looks good. Good snappics there...

I went straight to the universal cables and it seems to work pretty well, plus the universal kit has an adjustable nut/mount on the inner ends so you can adjust for any slack or whatnot. I left all of the stock cabling in except for the outer cables to the calipers. I had to buy a swaging tool and then grind down the swages a bit to fit in the stock receptacles. Otherwise, it was pretty easy.

http://www.zr1.net/forum/picture.php?albumid=162&pictureid=2448

http://www.zr1.net/forum/picture.php?albumid=162&pictureid=2449

http://www.zr1.net/forum/picture.php?albumid=162&pictureid=2452

http://www.zr1.net/forum/picture.php?albumid=162&pictureid=2453

http://www.zr1.net/forum/picture.php?albumid=162&pictureid=2454

Dom!!!

-6F??? YiKEs! 9F HIGH??? EEeEeyIKes!!!

I DON'T EVEN REMEMBER WHEN I WAS 9 !!!!!!!!!!!!!!

Global climate change is abitch yUP! BRRrrr,,,,,,,,,,,,,,,,,,,,,,,,

[XfireZ51]

Do you recall the product# of the Lokar cables u used?

[XfireZ51]

Global climate change is abitch yUP! BRRrrr,,,,,,,,,,,,,,,,,,,,,,,,

It sure as hell is.

[Dmod81]

Do you recall the product# of the Lokar cables u used?

I'm pretty sure it was lokar ec-80fu. I also used the Wildwood/corvette clevises, lokar ec-80wc.

[XfireZ51]

I'm pretty sure it was lokar ec-80fu. I also used the Wildwood/corvette clevises, lokar ec-80wc.

Yes, I ordered this from Amazon. The clevis' I thought were 80CC since these are
C6 eBrakes.
As I now have the rear back together, I went to put on rotor to see if I could do star gear adjustment on eBrake drum. However, I found that simply could not rotate the rotor or the half shafts for that matter. Trans is in N, and of course the calipers aren't even on at this point. I disassembled the rear again thinking I must have forgotten something and I did find that one of the shims (between the half shaft shoulder and the bearing surface) had slipped off and was lying on the hub bearing carrier in the recess. Put that all back together and torqued down, but still rotating the rotor is very difficult. With the carrier off the car and disconnected from the half shaft, the bearing spins freely. So it's the differential and trans combo not turning easily. Could it be just because it's just so damned cold?
I may start motor and put trans in gear to see if rear moves or if something is binding. I did get it to rotate with hubs disconnected albeit w some difficulty. Seemed the more I turned it the looser it got.
Putting front end on jacks next so I can replace pads on front calipers going to ceramics.

Dmod,

Was the Lokar a straight install or did you need to build some part of it?

[Dmod81]

I had the same problem with the half shafts not turning. It turned out to be the abs ring contacting the knuckle. I tested by tightening the axle nut little by little until the shaft wouldn't turn. Turned out to bind by around 130 lb-ft. What I did was add an extra shim on each side to avoid the issue. I think the speed shop adapter thickness is not quite correct, or its a tolerance issue.

I think you're probably right about the clevis. Their part number descriptions are confusing to me. The clevis' that I have look like the ones pictured at the top of the page here: http://www.lokar.com/product-pgs/ebrake-cables-conn-cables/ebrake-cable-pgs/rearbrake-clevis-kits.html

As for the install, I didn't have to do much. Some of the parts aren't even used. I cut the housings and cables to length, cut the springs to just slightly longer then the gap so the wouldn't rattle, and I also had to get some appropriate sized washers so that the lokar adjusters would fit where the stock outer cables terminated. And like I said before, I got a swaging tool and some aluminum ferrules to terminate the lokar cables and attach them to the rest of the stock system.

[XfireZ51]

Dmod,

So u used just one additional shim of the type that is between the half shaft and hub bearing now? On each side.

[Dmod81]

Yes, I have two of the shims (Teflon washers) on each side.

[XfireZ51]

Yes, I have two of the shims (Teflon washers) on each side.

Shims worked as advertised. Thanks. I emailed Tray and suggested he at least notify people that this may be necessary. Better yet, maybe include an extra set of shims as part of the adapters. He indicated that SS had also run into this but rarely. I imagine they don't install ABS in the C4 chassis mods they do.
Once I had done this, I was now able to mount the rear calipers. And what great timing because the Lokar universal cables and clevis' were delivered yesterday.
So fitting those will be next. Got them from Amazon. I thought I would try adjusting the star gear for the eBrake while I had the bearing carriers off the car but they seemed to be adjusted close enough. Tray recommended that any adjustment be done using the cables rather than the star gear.
Will also be replacing pads on front calipers with ceramics to match rears.

[XfireZ51]

eBrake measuring and install now done. Meanwhile, I've been gravity bleeding the brakes. Rears seemed to work but fronts are not. Hmmm. Right now the issue is how to keep eBrake cables away from wheel drum. Dmod1, any suggestions?
Also, another observation. Spare tire is worthless at this point. It won't make it over the rear caliper, so no real sense in keeping it on w the weight etc. My jack was in the spare along w a tire bag altho I also had a second tire bag in the rear bin.

Latest progress:

http://i187.photobucket.com/albums/x198/Z51Xfire/Mobile%20Uploads/2F44D495-04D4-40AD-8E63-AAB3D5EDD61B_zpsasbsgawy.jpg


http://i187.photobucket.com/albums/x198/Z51Xfire/Mobile%20Uploads/D4038CEF-89DF-43A8-834D-EA7C00BE6B11_zpsadhjzpqq.jpg

http://i187.photobucket.com/albums/x198/Z51Xfire/Mobile%20Uploads/B10E8C21-5E45-40BF-9761-99C50AF8ED6E_zpsnj9ij4jj.jpg

http://i187.photobucket.com/albums/x198/Z51Xfire/Mobile%20Uploads/BEABAECF-E98D-425A-B9C8-FF057AD96BF9_zps32xyg65d.jpg

[USAZR1]

I like the brakes on your car,Dom,and want to install the same set-up in front of my 94,in the future. It just seems like the emergency brake set-up is needlessly complicated,not to mention expensive.
If you had it to do over again,would you?
Honest question.

edit: Never mind the above question. There is a thread over on CF in C4 Tech that explains the problem.

[XfireZ51]

I like the brakes on your car,Dom,and want to install the same set-up in front of my 94,in the future. It just seems like the emergency brake set-up is needlessly complicated,not to mention expensive.
If you had it to do over again,would you?
Honest question.

Clint,

I took this path pretty much w my decision of mounting the Z06 wheels. Having decided on those wheels, which I LOVE, the calipers become a requirement IMO.
One is made for the other aesthetically. Their performance is amazing. I never "think" of the brakes. They just do exactly what I want them to. Thee fronts are no more complicated an upgrade than C5 calipers. The rears could be simpler if u are willing to be satisfied w a line lock. However, the C6 eBrake is not complicated. The tedious part of the rear calipers is getting the cables sized correctly, which is problematic on your back in 30F weather. A lift would substantially make things easier.
Using the 19" wheels w the stock rear calipers worked just fine. BUT, they simply looked too puny. So yes I would do this again. It was always the overall plan.
The trick is finding a set of C6Z calipers. Careful shopping gets u a great set of brakes for $600-800. With associated pieces, ie pads, adapters, cables etc. it's not an inexpensive upgrade. But this is the way I want the car to look and drive.
With the additional power of 450+, I really appreciate the added margin for error the brakes provide. Along w this upgrade, I also replaced bushings, tie rod ends, so really excited to see how the overall car feels. Good way to keep sane in a pretty lousy winter.

[secondchance]

XfireZ51,

Your brake set up looks great! May I say that I understand a sense of achievement you feel. I went in another direction with 4 pot Wilwood set up for the rear w/ Mr. Parker mechanical spot caliper set up for the parking brakes - different solutions but to reach the same goal!
Congratulations. Looks great!!!:cheers:

USAZR1,

My answer to your question is "YES!".
With me it was the 18" Fikses - completely agree with XfireZ51's comment. My Fikses made me do it.

[-=Jeff=-]

XfireZ51,

Your brake set up looks great! May I say that I understand a sense of achievement you feel. I went in another direction with 4 pot Wilwood set up for the rear w/ Mr. Parker mechanical spot caliper set up for the parking brakes - different solutions but to reach the same goal!
Congratulations. Looks great!!!:cheers:

USAZR1,

My answer to your question is "YES!".
With me it was the 18" Fikses - completely agree with XfireZ51's comment. My Fikses made me do it.
Secondchance,

any info on the Wilwood with Mr Parker? cost? part numbers? etc

[mike100]

a 17" GTO spare would probably work on the rears. For the front, you would have to get like a 2" spacers- I've seen it on CF that some guys had used them for drag skinnies on Z06's over there with big crazy spacers.

There is also the elusive Cadillac 18" CTS donut that has even better clearance for retrofits like this.

[Dmod81]

XfireZ51,
I ran the cables above and zip tied them to the lower shock mount. You might be able to see what it looks like in one of the pictures I posted.

I thought the cable housing sizing was a pain. I hope you had a much easier time of it than me. I ended up cutting each about 15 times to get that perfect length so that they ended up about halfway in between the lowest part of the knuckle and the wheel without rubbing on anything else.

[secondchance]

Secondchance,

any info on the Wilwood with Mr Parker? cost? part numbers? etc

Cost - rear kit with Wilwood 4 pot and parking brake is about $1,650.
I found out some additional engineering was needed - cut down/re-weld for parking brake anchor brackets (in order to work with OEM cable) and one side of parking brake had to be shaved by 3/16" plus 3/16" shim cut to add to the inboard (caused by spot caliper not quite lining up). Talk to Randy.
http://site.revolutionbrake.com/corvette-brakes.html

http://i658.photobucket.com/albums/uu303/byongyun/2013-06-09145051_zpsa228826c.jpg (http://s658.photobucket.com/user/byongyun/media/2013-06-09145051_zpsa228826c.jpg.html)

Spare tire solution is a CTS-V spare. However, I understand that the hole in the center has to be machined to fit our Z. Expensive-yes. Elusive-not so much.

[USAZR1]

Dom & Yun: I'll be installing 19" CCW's probably next week so I can certainly understand the motivation to add big brakes. This thread has just added fuel to the fire. :)

On the front of our 94,the two options I'm considering are the complete C6 Z06 set-up or just install a pair of Baer 6P's on its front Eradispeeds. Cost would be about the same but the Baer calipers would be a much simpler mod.
However,the 14" Z06 rotors are hard to ignore.

[secondchance]

Dom & Yun: I'll be installing 19" CCW's probably next week so I can certainly understand the motivation to add big brakes. This thread has just added fuel to the fire. :)

On the front of our 94,the two options I'm considering are the complete C6 Z06 set-up or just install a pair of Baer 6P's on its front Eradispeeds. Cost would be about the same but the Baer calipers would be a much simpler mod.
However,the 14" Z06 rotors are hard to ignore.

I fully understand. To be frank, my first thought was Brembos. I backed off because Brembos are quite expensive. However, Brembos are getting quite prevalent with OEM - Camaroes, Mopars and even Hyumdai Genisis Coupes.Perhaps, there is a market for adapter plate for Brembos to C4.
I think, after installing 19" CCWs, you are going to look through the wheels and go "I need to fill them in". When you do, figure which brakes and then start looking for engineering solutions.
Once I am done with 380 build, I am going to finish the fronts with 6 pot Wilwood w/ 2 piece rotors and replace rear with 2 piece rotors also. To optimize 18 or 19" wheels performance wise and aesthetically is 14" rotors up front and 13" rotors for the rear.

[XfireZ51]

Clint,

Here's what the stock caliper(polished) looks like w 19s


http://i187.photobucket.com/albums/x198/Z51Xfire/RearBrakes006_zpsacf87a47.jpg

Stock caliper

http://i187.photobucket.com/albums/x198/Z51Xfire/RearBrakes004_zpscead1fe3.jpg

Z06 4 piston rear

http://i187.photobucket.com/albums/x198/Z51Xfire/Mobile%20Uploads/D4038CEF-89DF-43A8-834D-EA7C00BE6B11_zpsadhjzpqq.jpg


Tomorrow I'll take pic of Z06 19s w C6Z rear caliper.

[USAZR1]

What diameter are those Z06 rear rotors,Dom?

[XfireZ51]

XfireZ51,
I ran the cables above and zip tied them to the lower shock mount. You might be able to see what it looks like in one of the pictures I posted.

I thought the cable housing sizing was a pain. I hope you had a much easier time of it than me. I ended up cutting each about 15 times to get that perfect length so that they ended up about halfway in between the lowest part of the knuckle and the wheel without rubbing on anything else.

I'm thinking of some type of spring to hold them away from wheel. I have a friend who installs garage doors. Took about three trips to get the cable length correct. Also needed to slot the eBrake bracket behind the adapter, and the cable brackets by the mid section and used for adjusting cable tension.

[XfireZ51]

What diameter are those Z06 rear rotors,Dom?

13s. As you can tell they ain't warping anytime soon.

[XfireZ51]

More progress today looking to address the drooping eBrake cable. Went to Home Depot and got a couple of conduit hangers. Put rubber hose sleeve on the lower control arm and then looped the eBrake cable through the hanger. Pulls it away from the wheel drum. And it stays in sync with the rest of the suspension.

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/B8C883F8-1138-44B0-A02A-6F52F7228BA4_zpsx2irad3m.jpg (http://s187.photobucket.com/user/Z51Xfire/media/ROZA%20NERO/B8C883F8-1138-44B0-A02A-6F52F7228BA4_zpsx2irad3m.jpg.html)

http://i187.photobucket.com/albums/x198/Z51Xfire/ROZA%20NERO/22E23E4E-1657-42FF-BA2B-9BC107A02BBC_zpsk7nm8wab.jpg (http://s187.photobucket.com/user/Z51Xfire/media/ROZA%20NERO/22E23E4E-1657-42FF-BA2B-9BC107A02BBC_zpsk7nm8wab.jpg.html)

[RICKYRJ1]

I agree with Dom, his overall look is great! When you take a side view of his car everything looks properly proportioned,(wheels, rotors,calipers) all engineered at one time. He did a great job, (better than the guy that did mine) Congrats! Dom, job well done :handshak:

[XfireZ51]

Finally had an opportunity to bleed the brakes, F/R. WOW! I wish I could get as stiff as the brake pedal was. Automotive Viagara! :dancing

Thanks to =Jeff= and Paul Workman for getting brakes nice and hard yesterday.
Also thanks to Alex, Jeff's son, for lending his foot on the pedal.

[XfireZ51]

Latest "while I was there..." do its during this project. I had previously replaced
the rear tie rod ends. Since I now need an alignment, I decided to do the front tie rod ends as well. Passenger side boot was ripped and compared to the new rod ends, it was pretty loose. Really looking forward to feeling how the car drives and rides with some new bushings and tie rod ends installed.

[XfireZ51]

So here's a compare to see if you think larger brakes are aesthetically the right thing to do w bigger wheels. You tell me.


Before

http://i187.photobucket.com/albums/x198/Z51Xfire/RearBrakes006_zpsacf87a47.jpg

After

http://i187.photobucket.com/albums/x198/Z51Xfire/Mobile%20Uploads/8A62805A-2690-4E7F-85CB-15E474CC16D7_zpsmsaxscre.jpg (http://s187.photobucket.com/user/Z51Xfire/media/Mobile%20Uploads/8A62805A-2690-4E7F-85CB-15E474CC16D7_zpsmsaxscre.jpg.html)

[USAZR1]

I'd like to see late model ZR1 brakes on one of these cars.

[XfireZ51]

I'd like to see late model ZR1 brakes on one of these cars.

You got 5 or 6k?

[XfireZ51]

Finally had chance to take car out for a drive. The addition of the rear Z06 calipers is noticeable. It takes even less effort to bring the car to a halt.
Immediately after driving the ZR, I drove my wife to work in her RX-330. Coming to a stop, I thought the brakes were failing. The brakes on the ZR stop THAT MUCH QUICKER.