FD rotors on a FC
#1
FD rotors on a FC
The questions comes up often...
Do they fit? What does it takes to install them on a FC?
I've been talking to Respeed, and they are willing to make the bracket\spacer so that we can use FD rotors on our FCs.
Per Respeed, there is a problem with the FD rotors:
"The problem is the ID of the rotors, 72mm on the FD verses 77mm on the FC. I know the FC rotor is tight to the FC hub so the FD (72mm) will not slide over the FC (77mm)
This could be turned out but that means each new set of rotors would need machine work."
Any comments? Would there be any interest from the FC guys?
If there is enough interest, maybe he'll try a larger than the FD rotors and design the proper spacer\adapters for the calipers
Pleases discuss
Do they fit? What does it takes to install them on a FC?
I've been talking to Respeed, and they are willing to make the bracket\spacer so that we can use FD rotors on our FCs.
Per Respeed, there is a problem with the FD rotors:
"The problem is the ID of the rotors, 72mm on the FD verses 77mm on the FC. I know the FC rotor is tight to the FC hub so the FD (72mm) will not slide over the FC (77mm)
This could be turned out but that means each new set of rotors would need machine work."
Any comments? Would there be any interest from the FC guys?
If there is enough interest, maybe he'll try a larger than the FD rotors and design the proper spacer\adapters for the calipers
Pleases discuss
#3
Rotary Freak
iTrader: (7)
Wrong, search and come back again
FD calipers are "bolt on" supposely, rotors got different offset to fit on the hubs
stock FD rotors are 294mm (11.6")
mustang cobra rotors works
http://www.v8rx7forum.com/v8-rx-7-bu...tml#post445114
so does these 12.75 x 1.18" rotors
https://www.rx7club.com/suspension-wheels-tires-brakes-20/mandeville-style-4-wheel-big-brakes-fc-feedback-needed-739122/
I am interested in something like that
but i am still looking for rotors with brakes that will fit under 16" race rims / tires
fyi Joe is saying with the 12.75" rotors it'll need 1/4" to fit in 16" rims.
FD calipers are "bolt on" supposely, rotors got different offset to fit on the hubs
stock FD rotors are 294mm (11.6")
mustang cobra rotors works
http://www.v8rx7forum.com/v8-rx-7-bu...tml#post445114
so does these 12.75 x 1.18" rotors
https://www.rx7club.com/suspension-wheels-tires-brakes-20/mandeville-style-4-wheel-big-brakes-fc-feedback-needed-739122/
I am interested in something like that
but i am still looking for rotors with brakes that will fit under 16" race rims / tires
fyi Joe is saying with the 12.75" rotors it'll need 1/4" to fit in 16" rims.
#4
Banned. I got OWNED!!!
https://www.rx7club.com/showthread.php?t=739122
I would like to see something like frijolee's kit without the spacer needed in the caliper.
I would also like to see something that doesn't require every single replacement rotor to need as few $$ worth of machining to make it fit. Something off the self would be perfect. Brembo blanks maybe? Hell a 2 piece would be awesome too.
I am willing to spend the bread for aftermakt calipers though. I was told to stay away from Willwoods at all costs. Apparently they flex like CRAZY. Of course this was Brembo engineer that was telling me this.
Billy can build anything, if he can figure it out, I would give it some VERY serious consideration.
What options SPECIFICALLY are out there for FC's? I know about the KVR kit for $2850 but that is only the front. Add in Corksprts Rear brake kit and now we're over $3000. So - what else is out there? I know Rocklobster was itching to get a set made by FastBrakes. Anything ever happen with that?
Here's KVR's
I would like to see something like frijolee's kit without the spacer needed in the caliper.
I would also like to see something that doesn't require every single replacement rotor to need as few $$ worth of machining to make it fit. Something off the self would be perfect. Brembo blanks maybe? Hell a 2 piece would be awesome too.
I am willing to spend the bread for aftermakt calipers though. I was told to stay away from Willwoods at all costs. Apparently they flex like CRAZY. Of course this was Brembo engineer that was telling me this.
Billy can build anything, if he can figure it out, I would give it some VERY serious consideration.
What options SPECIFICALLY are out there for FC's? I know about the KVR kit for $2850 but that is only the front. Add in Corksprts Rear brake kit and now we're over $3000. So - what else is out there? I know Rocklobster was itching to get a set made by FastBrakes. Anything ever happen with that?
Here's KVR's
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#8
Wrong, search and come back again
FD calipers are "bolt on" supposely, rotors got different offset to fit on the hubs
stock FD rotors are 294mm (11.6")
mustang cobra rotors works
http://www.v8rx7forum.com/v8-rx-7-bu...tml#post445114
so does these 12.75 x 1.18" rotors
https://www.rx7club.com/showthread.php?t=739122
I am interested in something like that
but i am still looking for rotors with brakes that will fit under 16" race rims / tires
fyi Joe is saying with the 12.75" rotors it'll need 1/4" to fit in 16" rims.
FD calipers are "bolt on" supposely, rotors got different offset to fit on the hubs
stock FD rotors are 294mm (11.6")
mustang cobra rotors works
http://www.v8rx7forum.com/v8-rx-7-bu...tml#post445114
so does these 12.75 x 1.18" rotors
https://www.rx7club.com/showthread.php?t=739122
I am interested in something like that
but i am still looking for rotors with brakes that will fit under 16" race rims / tires
fyi Joe is saying with the 12.75" rotors it'll need 1/4" to fit in 16" rims.
https://www.rx7club.com/showthread.php?t=739122
I would like to see something like frijolee's kit without the spacer needed in the caliper.
I would like to see something like frijolee's kit without the spacer needed in the caliper.
I would also like to see something that doesn't require every single replacement rotor to need as few $$ worth of machining to make it fit. Something off the self would be perfect. Brembo blanks maybe? [/QUOTE]
The FD guys have a two piece rotors. If we could get the spacers\adapters made, not only we get an extra .125 diameter, but also the option of 2 piece rotors
I am willing to spend the bread for aftermakt calipers though. I was told to stay away from Willwoods at all costs. Apparently they flex like CRAZY. Of course this was Brembo engineer that was telling me this.
Billy can build anything, if he can figure it out, I would give it some VERY serious consideration.
What options SPECIFICALLY are out there for FC's? I know about the KVR kit for $2850 but that is only the front. Add in Corksprts Rear brake kit and now we're over $3000. So - what else is out there? I know Rocklobster was itching to get a set made by FastBrakes. Anything ever happen with that?
Here's KVR's
Billy can build anything, if he can figure it out, I would give it some VERY serious consideration.
What options SPECIFICALLY are out there for FC's? I know about the KVR kit for $2850 but that is only the front. Add in Corksprts Rear brake kit and now we're over $3000. So - what else is out there? I know Rocklobster was itching to get a set made by FastBrakes. Anything ever happen with that?
Here's KVR's
#11
Lives on the Forum
Personally, what I'd love to see is something along the lines of an 11.75" x 1.25" rotor using the stock calipers with a spacer and a re-location bracket for an inexpensive, track capable setup that fits under 15" wheels.
You need to machine them because the stock rotors are smaller in diameter, so have a tighter arc to them. In order to get full pad contact, you need to machine the caliper edges to match the arc from the rotor. I believe those holes are for the bolts that hold the caliper halves together, not the fluid passages, so it should be safe enough to do. You wouldn't need to machine so much if you used smaller rotors.
The spacer is great, because it allows you to use a wider rotor that flows more air for better cooling which allows you to use smaller diameter, lighter rotors that fit the calipers better and will allow the use of smaller wheels.
That would be true of the cheap, small Wilwoods, but the bigger, better, more expensive ones will be comperable to something from Brembo or the like.
http://www.awrracing.com/store/index.php?cPath=1_44
There you go, 2 piece rotors for the FC. They do require that you machine the hubs a bit for clearance and that you grind a bit off the inside edge of the front pads to clear the fasteners, but there are certainly 2 piece rotors for FC's.
You need to machine them because the stock rotors are smaller in diameter, so have a tighter arc to them. In order to get full pad contact, you need to machine the caliper edges to match the arc from the rotor. I believe those holes are for the bolts that hold the caliper halves together, not the fluid passages, so it should be safe enough to do. You wouldn't need to machine so much if you used smaller rotors.
There you go, 2 piece rotors for the FC. They do require that you machine the hubs a bit for clearance and that you grind a bit off the inside edge of the front pads to clear the fasteners, but there are certainly 2 piece rotors for FC's.
#12
®
iTrader: (4)
You need to machine them because the stock rotors are smaller in diameter, so have a tighter arc to them. In order to get full pad contact, you need to machine the caliper edges to match the arc from the rotor. I believe those holes are for the bolts that hold the caliper halves together, not the fluid passages, so it should be safe enough to do. You wouldn't need to machine so much if you used smaller rotors.
I think if you go any bigger then it would be wise to upgrade the caliper to avoid overworking such an important part... but hey thats my personal opinion
#15
Banned. I got OWNED!!!
You need to machine them because the stock rotors are smaller in diameter, so have a tighter arc to them. In order to get full pad contact, you need to machine the caliper edges to match the arc from the rotor. I believe those holes are for the bolts that hold the caliper halves together, not the fluid passages, so it should be safe enough to do. You wouldn't need to machine so much if you used smaller rotors.
The spacer is great, because it allows you to use a wider rotor that flows more air for better cooling which allows you to use smaller diameter, lighter rotors that fit the calipers better and will allow the use of smaller wheels.
The spacer is great, because it allows you to use a wider rotor that flows more air for better cooling which allows you to use smaller diameter, lighter rotors that fit the calipers better and will allow the use of smaller wheels.
I have taken the TII calipers apart before and understand which holes are for what... my point is... at some point the caliper is going to be overworked, lets face it... . by todays standards these calipers are pretty small and Mazda developed them originally for 276mm rotors and then decided that they could work effectively on the FD with 294mm rotors
I think if you go any bigger then it would be wise to upgrade the caliper to avoid overworking such an important part... but hey thats my personal opinion
I think if you go any bigger then it would be wise to upgrade the caliper to avoid overworking such an important part... but hey thats my personal opinion
**** budget friendly and the cheap kiddies who can't afford them. Why cater to people with no money that bitch over every little thing. Most of them have no use for something like this except to fill out those mad tyte dub's with super stretched tyyyyyyresssssss YO! Screw them, bigger rotor, bigger cailper (with lots of pad selection), keep it around $1000 & I'm in.
#16
Rotary Freak
iTrader: (7)
its either 11.7 or 12.6, nothing in between
**** budget friendly and the cheap kiddies who can't afford them. Why cater to people with no money that bitch over every little thing. Screw them, bigger rotor, bigger cailper (with lots of pad selection), keep it around $1000 & I'm in.
go buy urself some k-sports. oh wait, u cant even get k sports for 1000
#17
Lives on the Forum
Budget friendly is always good, as long as you can get quality stuff that fits your needs. There's no point spending more than you have to, because then there's less left over to spend on other things.
The reason I say 11.75"x1.25" rotors is that I know that they're probably the biggest rotors you can fit under 15's (I've seen it done), and for track work, 15's are good because they're cheaper, you get a gearing advantage from sherter tires (225/45/15 for instance), and it gets you lower to the ground for less weight transfer for more grip. They're also easier to pack in the car. Even if you're running bigger wheels and tires, more power, etc, they'd still fill out the wheels a bit better and provide you with a lot better stopping power.
Since I know that you're not afraid of fabrication, why not piece together your own BBK using off the shelf Wilwood parts? You should be able to do one for under $1000.
The reason I say 11.75"x1.25" rotors is that I know that they're probably the biggest rotors you can fit under 15's (I've seen it done), and for track work, 15's are good because they're cheaper, you get a gearing advantage from sherter tires (225/45/15 for instance), and it gets you lower to the ground for less weight transfer for more grip. They're also easier to pack in the car. Even if you're running bigger wheels and tires, more power, etc, they'd still fill out the wheels a bit better and provide you with a lot better stopping power.
Since I know that you're not afraid of fabrication, why not piece together your own BBK using off the shelf Wilwood parts? You should be able to do one for under $1000.
#18
Banned. I got OWNED!!!
The reason I say 11.75"x1.25" rotors is that I know that they're probably the biggest rotors you can fit under 15's (I've seen it done), and for track work, 15's are good because they're cheaper, you get a gearing advantage from sherter tires (225/45/15 for instance), and it gets you lower to the ground for less weight transfer for more grip. They're also easier to pack in the car. Even if you're running bigger wheels and tires, more power, etc, they'd still fill out the wheels a bit better and provide you with a lot better stopping power.
True, I am not afraid of fabrication nor proper measuring tools. However, I am not a machinist or a mechanical engineer and a BBK is something that I would not build. WAY too much liability involved. Even if it stays on my own car. I've already made up my mind on this. A good friend approached me about it & I was very skeptical. He has a friend who is a pro racer and owns a shop a little farther up north. I would probably do it with the three of us, but not alone. No way.
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