Another factory caliper swap idea to consider
#101
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Alright! Things are starting to look interesting.
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Hey Ed. Have you gotten a chance to look at this further?
I didn't hear back on your e-mail. If you need a rotor, e-mail me. I might be able to get 1 coleman rotor, and send it to you.
--John
I didn't hear back on your e-mail. If you need a rotor, e-mail me. I might be able to get 1 coleman rotor, and send it to you.
--John
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Car: 1989 Camaro RS
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Ed,
I found a rotor that may work! Centric part# 120.20020 is a floating rotor, 13.98" diameter, 1.26" nominal thickness, 5 x 4.75" bolt circle, 2.90" hub hole, and 1.95" height (.69" between hub face and outer rotor face). I have no idea what the OEM application is but maybe this part number could be cross-referenced at your local auto parts store!!
I found a rotor that may work! Centric part# 120.20020 is a floating rotor, 13.98" diameter, 1.26" nominal thickness, 5 x 4.75" bolt circle, 2.90" hub hole, and 1.95" height (.69" between hub face and outer rotor face). I have no idea what the OEM application is but maybe this part number could be cross-referenced at your local auto parts store!!
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Car: 1990 Camaro RS
Engine: Juiced 5.0 TBI - 300rwhp
Transmission: T5
Axle/Gears: 3.42 Eaton Posi, 10 Bolt
Originally posted by MurcoRS
Ed,
I found a rotor that may work! Centric part# 120.20020 is a floating rotor, 13.98" diameter, 1.26" nominal thickness, 5 x 4.75" bolt circle, 2.90" hub hole, and 1.95" height (.69" between hub face and outer rotor face).
Ed,
I found a rotor that may work! Centric part# 120.20020 is a floating rotor, 13.98" diameter, 1.26" nominal thickness, 5 x 4.75" bolt circle, 2.90" hub hole, and 1.95" height (.69" between hub face and outer rotor face).
#105
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
I'll try to accomplish both if I can get the smaller rotor to work. I finally have a bit of time to concentrate on the Brembo setup.
Ed
Ed
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Car: 1989 Camaro RS
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Originally posted by Dewey316
We (or at least myself) were trying to avoid a 14" rotor, so it will clear 17" wheels.
We (or at least myself) were trying to avoid a 14" rotor, so it will clear 17" wheels.
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
What I'll try to do is work with a 1.1-1.25" thick rotor with a 1.7-2.0" rotor hat and the HD hub, this seems like the only way to get that big *** caliper to fit nicely.
Ed
Ed
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Car: 1989 Camaro RS
Engine: ZZ4 350
Transmission: T-5
Axle/Gears: BW 9-bolt w/3.73
Originally posted by ebmiller88
What I'll try to do is work with a 1.1-1.25" thick rotor with a 1.7-2.0" rotor hat and the HD hub, this seems like the only way to get that big *** caliper to fit nicely.
Ed
What I'll try to do is work with a 1.1-1.25" thick rotor with a 1.7-2.0" rotor hat and the HD hub, this seems like the only way to get that big *** caliper to fit nicely.
Ed
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Don't know yet..I still have some figuring to do. My biggest problem is still gonna be the location of the caliper and the bracket.
Ed
Ed
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
John, I'll try to get back to you tonight..do you happen to know the bolt pattern on the rotors you are talking about? I'll need a 8 x 7.00" or an 8 x 7.62" for the hats I'll probably use.
Thanks!
Ed
Thanks!
Ed
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Car: 1990 Camaro RS
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The ones coleman told me would work, are 8 X 7 5/8"
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Car: 1989 Firebird
Engine: a monster
Transmission: T-56
I know I'm probably going to get the "I don't know yet" answer but are we going to be able to keep the stock offset for this? Meaning is the face of the hub going to be in the same spot as the stocker? I dont' want to have to buy custom offset wheels.
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Car: Depends on what day it is..
Engine: Um, Chevy small-block
Transmission: One that shifts
Axle/Gears: Got those too...
I am sure they do not know about the offset yet. It sounds like Ed is going to have a challenge just getting those calipers to fit around the A-arm. the mounting bracket on the caliper itself is a bit funky and severely hampers mounting positions.
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Car: 89 ws6 trans am
Engine: 383 supercharged
Transmission: t-56
Axle/Gears: 9 inch 3.90's spooled
With that caliper it might be to be hard to find rims that that will clear the caliper. My friend has some saleen brakes on his mustang and he can only run the saleen rims. With them being 4 pistons, all of the stock wheels hit the caliper and he has about 3/4's of an inch till the back of the rim hits the rotor. That is way I am waiting for my c6 z06 front/rear calipers and rotors to come in. So I can find out what specs my rims are going to be maded when they are ordered. Do you think this is going to be a problem Ed with those V calipers?
#118
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
There very well might be, I don't know yet. I've had NO time to do squat with anything as of late....sorry.
John, check your mail.
Ed
John, check your mail.
Ed
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Car: 1990 Camaro RS
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Bringing this back up.
Ed, did you get my e-mail. I haven't heard from you.
Ed, did you get my e-mail. I haven't heard from you.
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Car: Depends on what day it is..
Engine: Um, Chevy small-block
Transmission: One that shifts
Axle/Gears: Got those too...
Has there been any progress with this lately?
#122
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Yep, getting around to playing with this setup now.
First off, as I design it, it will have to use a HD hub to get the clearance I need for the bracket, looking like a 3/8". Second, we're looking at 14" rotors....period. 14" x 1.25" thick...crap that's big. Thing is, there's just no way around it that I see. I'll have to get with John (Dewey) about other rotors but honestly, that's what I think this will come to. Here's some pics of the caliper tested on a modded spindle with a HD 13" rotor. I used a standard test hub here and there's barely 1/4" space between the caliper lugs and the spindle mount boss.
First off, as I design it, it will have to use a HD hub to get the clearance I need for the bracket, looking like a 3/8". Second, we're looking at 14" rotors....period. 14" x 1.25" thick...crap that's big. Thing is, there's just no way around it that I see. I'll have to get with John (Dewey) about other rotors but honestly, that's what I think this will come to. Here's some pics of the caliper tested on a modded spindle with a HD 13" rotor. I used a standard test hub here and there's barely 1/4" space between the caliper lugs and the spindle mount boss.
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
The caliper lugs are spaced just like a C5 carrier is spaced but uses smaller bolts, ala LS1 thread pitch. In the above posted pics, the lower edge of the pad is flush with the lower edge of the rotor so that's as tight as I can tuck the caliper towards the inside.
More pics now...this is a side by side comparison of the big *** Brembo caliper next to a C6 Vette caliper. Note the difference in distance between the center of the pistons and the bolt hole for the caliper mounts, almost an inch of difference which is why the caliper sticks out so much, this is my major problem.
More pics now...this is a side by side comparison of the big *** Brembo caliper next to a C6 Vette caliper. Note the difference in distance between the center of the pistons and the bolt hole for the caliper mounts, almost an inch of difference which is why the caliper sticks out so much, this is my major problem.
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Now, as I mentioned before, the pad is flush with the lower inside edge of the rotor and there's still about 1/2" of pad that needs to be on a rotor surface, this is where I'll be talking to John and Coleman to see what we can come up with.
More to come fellas, thank you all for the patience.
Ed
More to come fellas, thank you all for the patience.
Ed
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Car: Depends on what day it is..
Engine: Um, Chevy small-block
Transmission: One that shifts
Axle/Gears: Got those too...
Damn.. that is definately going to be a tight fit.
I can see there will be some scrambling to get rims big enough to clear 14" rotors.
I can see there will be some scrambling to get rims big enough to clear 14" rotors.
#127
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Ed. I'll have to see. I'm a little low on funds right no (I just bought a motorcycle). E-mail me, and we can chat about what you need.
#128
Hey just to let you guys know the vw touareg uses two rotors that might work for you guys.
330mm by 32mm
350mm by 34mm
the bolt pattern is 5 by 120 or 4.75,
Also the cts v calipers will also accept mitsubishi evo pads or subaru sti pads.
hope this helps somewhat.
330mm by 32mm
350mm by 34mm
the bolt pattern is 5 by 120 or 4.75,
Also the cts v calipers will also accept mitsubishi evo pads or subaru sti pads.
hope this helps somewhat.
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Car: 1989 Camaro RS
Engine: ZZ4 350
Transmission: T-5
Axle/Gears: BW 9-bolt w/3.73
Originally Posted by gsracer
Also the cts v calipers will also accept mitsubishi evo pads or subaru sti pads..
#130
Well i did the caddy swap on my car today, i know its not a chevy and its a nissan but its still RWD so dont be too harsh. hehe Reason im posting anyway is because i found a lot of usefull information on this board and was hoping i could help with some other options.
Now on to the tech.
The car is a 1996 Nissan 240sx
im running 18 ich wheels btw
The bracket was pretty straight foward, just offset it a little bit downards about 10mm, and further out about 6 mm
The rotor i used is a generic 95 mustang cobra rotor which is 13 inches in diameter and a total hat height of 44.55 mm's.
Heres some pics
This is the car
Heres with it all mocked up and ready to go
Now on to the tech.
The car is a 1996 Nissan 240sx
im running 18 ich wheels btw
The bracket was pretty straight foward, just offset it a little bit downards about 10mm, and further out about 6 mm
The rotor i used is a generic 95 mustang cobra rotor which is 13 inches in diameter and a total hat height of 44.55 mm's.
Heres some pics
This is the car
Heres with it all mocked up and ready to go
#132
Thanks for the compliments. Cant wait till i do the rears.
Yes i am 100 percent sure.
Its the same part number on the hawk website. for all 3 cars, Evo , sti, and caddy, also for the alfa romeo.
There are several brands available for the evo and sti
Heres the proof
Im pretty sure these should work too, i remember someone mentioning needing shorter pads, id have to have some in hand to know for sure any one want to send me some lambo pads haha
Originally Posted by MurcoRS
Are you 100% sure of that? If so, we have alot of pad options!!
Its the same part number on the hawk website. for all 3 cars, Evo , sti, and caddy, also for the alfa romeo.
There are several brands available for the evo and sti
Heres the proof
Im pretty sure these should work too, i remember someone mentioning needing shorter pads, id have to have some in hand to know for sure any one want to send me some lambo pads haha
Last edited by gsracer; 05-28-2006 at 12:20 AM.
#133
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Very good info and great work, thank you for the pics. Sorry I did not get you the measurements you needed, I'll still get them if you need them.
What's the bolt pattern on those 'Stang rotors you used? We'd probably have to redrill them to fit. As an update, I'm ordering the test rotor tomorrow..13" or 14" x 1.25", that should do it. The Wilwood hub is on the way and should be here tomorrow, pics will follow.
Ed
What's the bolt pattern on those 'Stang rotors you used? We'd probably have to redrill them to fit. As an update, I'm ordering the test rotor tomorrow..13" or 14" x 1.25", that should do it. The Wilwood hub is on the way and should be here tomorrow, pics will follow.
Ed
Last edited by ebmiller88; 06-01-2006 at 01:30 AM.
#134
Stang uses a 114.3 BC. Redrilling would be required and they have a short overall height so wheel spoke clearance would be an issue I think.
The rotor is also 1.125 thick FYI.
The rotor is also 1.125 thick FYI.
Last edited by n2o4fun; 06-09-2006 at 01:51 PM.
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Car: My sons '89 RS
Engine: LS-1
Transmission: 4L60E
Axle/Gears: 3.23
Other than the fact you will not get full braking potential from the caliper if the pad is not in full contact with the rotor, is there a down side or safety issue?
#136
Updated pics, its on the road now , i ended up using the mistubishi evo pads and rotors it jusst simplified the whole process. But it stops on a dime. The braking force is incredible.
Despite my best efforts i havent been able to make them fade, and it is caplable of locking the tires at 120mph, so it works well enough i guess.
Cant wait to do the rears.
Despite my best efforts i havent been able to make them fade, and it is caplable of locking the tires at 120mph, so it works well enough i guess.
Cant wait to do the rears.
#137
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Thank you again for your input, I sure do appreciate it. I ordered the rotor for my setup today and I already have the hat and other parts. Only part left is the bracket.
Ed
Ed
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Yeah it's on big *** caliper, and it's hard to fit up. I can't seem to make it work with a standard hub design so I'm going to an HD hub. If that doesn't work, I may call it quits on it..the caliper lugs are just too big and too far away from the main caliper body, hitting the spindle. And BTW, Coleman racing makes some NICE rotors, much better quality than a comparable Wilwood...but they aren't cheap.
Ed
Ed
Last edited by ebmiller88; 06-23-2006 at 11:39 PM.
#141
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Car: 1990 Camaro RS
Engine: Juiced 5.0 TBI - 300rwhp
Transmission: T5
Axle/Gears: 3.42 Eaton Posi, 10 Bolt
Ed, I assume you got the coleman rotor, did you get the 1.75" offset hat with it?
If you get a chance, I would love to see how that fits and where it is all sitting, if you could e-mail some pics and measurements. I may be able to come up with something, or some other options.
If you get a chance, I would love to see how that fits and where it is all sitting, if you could e-mail some pics and measurements. I may be able to come up with something, or some other options.
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Car: 1990 Camaro RS
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Bring this back up. Any new info?
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
I plan on hitting it hard this week, I just got back from vacation. Also, I may have another caliper to work with from Brembo, I just have to call them in the morning. It's similar and still 4 piston, but may be a bit smaller and will let us do the swap with minimal hassle. I'll keep you posted.
BTW, I'm using a Wilwood hat, a 1.5" or so IIRC, it's a bit more cost effective. I also have a 1.4" hat on hand, I'm still playing with it.
Ed
BTW, I'm using a Wilwood hat, a 1.5" or so IIRC, it's a bit more cost effective. I also have a 1.4" hat on hand, I'm still playing with it.
Ed
Last edited by ebmiller88; 07-23-2006 at 10:54 AM.
#144
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Car: 1990 Camaro RS
Engine: Juiced 5.0 TBI - 300rwhp
Transmission: T5
Axle/Gears: 3.42 Eaton Posi, 10 Bolt
Ed,
What type of cost is on that other brembo caliper? The thing about the CTS-V part is it is relativly inexpensive to get from GM.
Any chance you could measure out how much clearance I need for 14" rotors? I was looking at how much clearance I have with 12" rotors, and PBR's. I may just be able to stuff the whole 14" setup under my car.
--John
What type of cost is on that other brembo caliper? The thing about the CTS-V part is it is relativly inexpensive to get from GM.
Any chance you could measure out how much clearance I need for 14" rotors? I was looking at how much clearance I have with 12" rotors, and PBR's. I may just be able to stuff the whole 14" setup under my car.
--John
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Cost? I have no idea, hence the call to Brembo tomorrow. I can only find the caliper in a complete front brake kit for $1150 and I'm not spending that in order to check clearance. I'll post up measurements as I come to them.
Ed
Ed
#146
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Ed,
Let me know. Like I also said, I may just be able to fit the 14" CTS-V setup, any if you could get a measurement of from the centerline of the wheel, to the outermost point on the caliper, and could find out if it will clear or not.
Let me know. Like I also said, I may just be able to fit the 14" CTS-V setup, any if you could get a measurement of from the centerline of the wheel, to the outermost point on the caliper, and could find out if it will clear or not.
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Looks like the other caliper is $155 or $245 new from the OEM supplier. I think I'll get one anyway. This is what I found out last night:
1- The pad still hangs over more than I'd like it to and I don't see how I can change that;
2- I need a thinner rotor hat, the caliper will have to be moved outward to get it to clear the spindle, IE a hat that's about .500" in overall thickness rather than the 1.8" tall hat I've been using;
3- Spacers will almost have to be used for the above mentioned reason, the caliper will move out so room will be needed to get the wheels to clear.
Still working, I'll let you know what I find out. If the other caliper works better, this whole design might change.
Ed
1- The pad still hangs over more than I'd like it to and I don't see how I can change that;
2- I need a thinner rotor hat, the caliper will have to be moved outward to get it to clear the spindle, IE a hat that's about .500" in overall thickness rather than the 1.8" tall hat I've been using;
3- Spacers will almost have to be used for the above mentioned reason, the caliper will move out so room will be needed to get the wheels to clear.
Still working, I'll let you know what I find out. If the other caliper works better, this whole design might change.
Ed
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Car: 92 Firebird
Engine: 4.8 LR4
Transmission: T56
Axle/Gears: 3.45 9 Bolt
What setup are you two referring to now? Now you have me worried that it isnt going to work on my GTA with the 16" crosslace wheels and I already bought the calipers....... its only money i guess, lol
#149
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Join Date: Mar 2001
Location: Portland, OR www.cascadecrew.org
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Car: 1990 Camaro RS
Engine: Juiced 5.0 TBI - 300rwhp
Transmission: T5
Axle/Gears: 3.42 Eaton Posi, 10 Bolt
I strongly doubt it will work with GTA wheels.
I am running C5 wheels. Ed, Can you make the mount work with the factory CTS-V 14" rotors? The more I look at it, the more I think I may be able to fit the whole thing.
I am running C5 wheels. Ed, Can you make the mount work with the factory CTS-V 14" rotors? The more I look at it, the more I think I may be able to fit the whole thing.
#150
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Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Those rotors are 6 lug, there will be issues redrilling them. NO WAY you can fit this caliper in a GTA wheel.
Ed
Ed