Evo brembo are direct bolt on for FD3S
ok so i've been going through every kind of set up i could think of, and i've had a break through
i took the mitsubishi evolution brembo calipers because they are are light, 4 piston, and they accept a very large diameter rotor then i used Infiniti G37s rotors (355mm or 14inches) because they are large enough and they are the same bolt pattern ***you can use the evo rotors too, they will work perfectly fine*** turns out the evo calipers are a DIRECT BOLT ON with the G37s rotors!!!! the only things to take into account is that you might need a spacer for your wheel set up, my rims require a 5mm to fit and you will need to modify the dust shield to fit the rotor i havent tried on the rears yet, but i wouldnt be suprised if they bolted on too here are some pics of the kit mocked up but not bolted up...i have the calipers held on with zip ties lol http://i52.photobucket.com/albums/g3...h_IMG00413.jpg http://i52.photobucket.com/albums/g3...h_IMG00414.jpg http://i52.photobucket.com/albums/g3...h_IMG00415.jpg http://i52.photobucket.com/albums/g3...h_IMG00417.jpg http://i52.photobucket.com/albums/g3...h_IMG00418.jpg |
sorry for the camera phone pics...when i bolt everything up properly i'll take high res pics
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Good stuff.....i'll be looking for some!!
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what model year of evo did these calipers came from?
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evo 7 and up are the same
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So you didn't need to make a bracket or anything else? Just swapped the caliper and rotors, that is it?
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Looking for finished pictures - i.e. how did you bolt the caliper up, aren't both the caliper and the spindle holes, i.e. not tapped? What years G37 - I assume all, are there different sizes in the G37 brakes?
-Bob |
dude thats basically it...its so simple its stupid lol
theres only a couple things that actually take a bit of work: take care of the bolt holes...the evo caliper holes are threaded, and the FDs mounting holes are threaded...so you'll have to drill out and re-thread the holes of the caliper and you'll have to cut out the top and bottom flap of the dust shield and about a quarter of an inch off the corners cus it hits the caliper and thats about it... |
Originally Posted by Bob H
(Post 9568548)
Looking for finished pictures - i.e. how did you bolt the caliper up, aren't both the caliper and the spindle holes, i.e. not tapped? What years G37 - I assume all, are there different sizes in the G37 brakes?
-Bob the bolt issue...check the last post and its any g37s that has the factory big brake kit...i just ordered the rotors off ebay cus they are cheap and i dint know if it would work or not...but ye any g37s factory big brake kit rotors you can also get the stop tech slotted g37s rotors or the ones from stillen |
What are the diameters of the Brembo pistons, and total fluid volume of the caliper? Do you have total pad contact with the G37 rotor? Also, why did you not just use the EVO rotor, it should have the same bolt pattern also, correct? Or does it have to do with the rotor hat offset?
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how did you rethread the caliper holes, do you know what kind of thread it is?
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Originally Posted by Rxmfn7
(Post 9568567)
What are the diameters of the Brembo pistons, and total fluid volume of the caliper? Do you have total pad contact with the G37 rotor? Also, why did you not just use the EVO rotor, it should have the same bolt pattern also, correct? Or does it have to do with the rotor hat offset?
i dont know wut the total fluid volume is... there is total contact on the g37 rotor the g37 rotor is what allows for total pad contact...the evo rotor is 350mm and the g37s rotor is 355 mm...because of the mounting holes it pushes the caliper back a bit farther than the way the caliper fits on the evo, so the bigger rotor makes up for the difference and allows for complete contact i think the evo rotor will work fine too, but i dont think you will have 100% pad contact, probably like 97% pad contact |
Originally Posted by slocalsvt
(Post 9568572)
how did you rethread the caliper holes, do you know what kind of thread it is?
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I like it - EVO calipers usually sell anywhere from a very low $200 a pair to around $800-1000 a set,(of 4 mind you) - plus a set of G37 rotors - anywhere from mid $200's new aftermarket ones. Looks like a decent upgrade - I agree, the bias needs to be investigated to see how it compares to the Stoptech upgrades or any of the RZ rear brakes, or the Racing Brake rears.
Has the potential to be a very inexpensive upgrade route - however, 18" rims are mandatory for the 14" brake rotor, and the unknown balance issues - that is a significant shift forward in bias just from the 14" rotor. |
yup...once i have everything installed i'll let you know how everything runs...btw the rears are 1.75inch pistons
its 2 pistons on the front and rear of the rotor |
How much did the brake calipers cost?
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i got the front and rear calipers for 500 bucks
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Man you changed your mind so much when deciding on a brake system. You went from evo brakes to porche brakes to vette brakes back to evo brakes. Glad you finally decided on one! (it appears) let us know how they work out in the end. Did you ever do your stopping test with the stock brakes? Oh yeah and weigh the rotors and calipers separately. I'm curious how they compare in weight to the stock system.
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Would love to see the weight comparison as well
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Originally Posted by Dudemaaanownsanrx7
(Post 9568735)
Man you changed your mind so much when deciding on a brake system. You went from evo brakes to porche brakes to vette brakes back to evo brakes. Glad you finally decided on one! (it appears) let us know how they work out in the end. Did you ever do your stopping test with the stock brakes? Oh yeah and weigh the rotors and calipers separately. I'm curious how they compare in weight to the stock system.
i'm gona do the stopping test tomorrow just before i install everything ...now to find an open road... |
what do the stock rotors weigh?
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Unless there's a different spec over there, seems to be an error on the standard Evo rotor size, 320mm over here on the later ones. The latest one with the 18" wheels has bigger ones...not sure of the size, maybe that's up around 350?? There is a car over here incorporating a 2 piece replacement Evo VII to IX rotor... and using the mazda caliper, but only 6mm in difference over the RS/RZ size.
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evo rotors are 320 here too not 350.
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Very COOOL info! Can't wait to see the completed project!
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Originally Posted by billyboy
(Post 9568812)
Unless there's a different spec over there, seems to be an error on the standard Evo rotor size, 320mm over here on the later ones. The latest one with the 18" wheels has bigger ones...not sure of the size, maybe that's up around 350?? There is a car over here incorporating a 2 piece replacement Evo VII to IX rotor... and using the mazda caliper, but only 6mm in difference over the RS/RZ size.
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Are sti calipers the same as evo calipers? If they are it would open up more caliper options.
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Originally Posted by FDWarrior
(Post 9569027)
Are sti calipers the same as evo calipers? If they are it would open up more caliper options.
so i'm thinking that you can do this kit with calipers from the STI, EVO, ISF, Mercedes AMG series, maybe the porsche big reds or yellows, jaguar R series cars, and i'm sure theres others i cant think of right now if i'm right in that brembo has a standard bolt up for all their OEM equipment, than my discovering this with the evo brakes has opened a hell of a lot of doors in brake upgrades yessss i feel like a trend setter :) haha |
ok update on the rears...they arent bolt up like the front
the rear will need a larger diameter rotor, i'm guestimating at 15-20mm larger and you will need to make a bracket, but its an extremely simple bracket to make and you can do it in your garage at home |
ok heres the start of the write up on the front build
the modifications needed to be made are as follows: Taking care of the bolt issue, theres 2 ways to do it: method 1: you will need to retap the threads into the EVO caliper to M12-1.25 then drill the threads out of the FD caliper mounting holes then bolt it up with the stock FD bolt Method 2: you will need to buy the EVO's OEM caliper mounting bolts then drill out the threads of the FD's caliper mounting holes and then bolt it all up with the EVO's bolts ***i dont know if the evo bolts will tie down with no play in the FD's mounting holes*** the next Mod you will need to do is cut the flaps on the dust shield behind the rotors the ones that go over the top and the bottom of the rotor simply get a grinder or even a dremel and cut the flaps clean off, then the 2 edges that are left over on the caliper side will need to be shaved off too to keep them from hitting the caliper once you're done with those 2 Mods, simply bolt everything up with the g37s rotor screw the brake line into the back of the caliper slide in the brake pads and clip everything up...I'll be using Hawk HPS pads bleed the brakes...I recommend ATE SuperBlue or RBF 600 brake fluid or ELF Frelub 650 nows the last thing you will have to take into account once you've put your whole set up together...wheel fitment i will have to run a 5mm spacer to clear the caliper...this will be different depending on what wheels you have so once you have everything together...throw the wheels on and see whats up if you guys have any questions of details on certain things, go ahead and ask away...i'm waiting for the brake pads and fluid to arrive so once they do i can put everything together |
what wheels do you have?
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Originally Posted by TRISPEEDFD3S
(Post 9569501)
what wheels do you have?
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Sounds killer
Where did you buy the front and rear calipers? Are they red Brembos? I'm curious to hear your road test review on the fronts. Good luck.
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i just started searching ebay, craigslist, and amazon...
i finnally decided on a set that i found on ebay, lucky enough the guy was local so i checked em out and picked up right there for $500 bucks |
So is it possible to get a set of 355 rotors that doesnt require the tapping / modification?
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0_0 this is relative to my interests, crazy cool shit!!!
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Originally Posted by purerx7
(Post 9570421)
So is it possible to get a set of 355 rotors that doesnt require the tapping / modification?
the rotors from the G37s are 355mm and have the same bolt pattern as the FD |
What about boring out the center of the rotor? does the center bore not need to be changed with the g37? what about the rotor offset as well? Wont you need a wheel spacer to clear the rotor? What about moving the cross over tube to the correct location (they are upside down now). There are even more issues with this that I wont list now but I know this because I bought a set of Evo calipers to do this exact same thing. There ARE many more complex problems that you need to solve... you cant just drill the steering knuckle out and bolt them on ;)
Also how are you going to fix the brake bias you are introducing? This is not a simple install, and is the reason I sold off my calipers and modified rotors. |
Originally Posted by RotorMotor
(Post 9570653)
What about boring out the center of the rotor?
does the center bore not need to be changed with the g37?
Originally Posted by RotorMotor
(Post 9570653)
what about the rotor offset as well? Wont you need a wheel spacer to clear the rotor?
Originally Posted by RotorMotor
(Post 9570653)
What about moving the cross over tube to the correct location (they are upside down now).
Originally Posted by RotorMotor
(Post 9570653)
There are even more issues with this that I wont list now but I know this because I bought a set of Evo calipers to do this exact same thing. There ARE many more complex problems that you need to solve... you cant just drill the steering knuckle out and bolt them on ;)
Originally Posted by RotorMotor
(Post 9570653)
Also how are you going to fix the brake bias you are introducing? This is not a simple install, and is the reason I sold off my calipers and modified rotors.
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Im more concerned about the nearly 30lb rotor. I thought he was exaggerating weight, nope looked it up ,nearly 30lbs. I applaud anyone making an effort to improve things and innovate solutions for our cars, but I'm not sure how good I feel about hanging all that un-sprung weight up front.
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Originally Posted by RotorMotor
(Post 9570653)
There ARE many more complex problems that you need to solve... you cant just drill the steering knuckle out and bolt them on ;)
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can u measure the overall diameter of the caliper and rotor so we can see if it will fit our cars(wheel setups)? and finished pics would be great! also, is that that rotor weight just because they are cheap ebay rotors or is that how much they all weigh?
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Nice find, thanks for posting!
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Originally Posted by RotorMotor
(Post 9570653)
What about boring out the center of the rotor? does the center bore not need to be changed with the g37?
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Originally Posted by RotorMotor
(Post 9570653)
What about moving the cross over tube to the correct location (they are upside down now).
i dont think it will make a difference and if i'm wrong please correct me..but i dont think moving that tube is necessary |
Originally Posted by RotorMotor
(Post 9570653)
There are even more issues with this that I wont list now but I know this because I bought a set of Evo calipers to do this exact same thing. There ARE many more complex problems that you need to solve... you cant just drill the steering knuckle out and bolt them on ;)
but what i'm doing is retaping the mounting holes of the evo calipers to M12-1.25...so that i can get get a fully threaded bolt and run it through the FD mounting hole and into the evo's mounting hole |
Originally Posted by RotorMotor
(Post 9570653)
Also how are you going to fix the brake bias you are introducing? This is not a simple install, and is the reason I sold off my calipers and modified rotors.
i'm gona install the fronts first to see how it feels...then once i'm ready i'll install the rear once i have the rears on i'll decide whether i need to upgrade to a 929 master with a willwood brake bias contoller or not i really cant answer this question properly till i have everything installed so please excuse my lack of answers, i'm just waiting for the pads to arrive so i bolt up and bleed everything to see what the out come is |
Originally Posted by Rxmfn7
(Post 9570852)
Im more concerned about the nearly 30lb rotor. I thought he was exaggerating weight, nope looked it up ,nearly 30lbs. I applaud anyone making an effort to improve things and innovate solutions for our cars, but I'm not sure how good I feel about hanging all that un-sprung weight up front.
i'm pretty sure AP racing makes a 2 piece rotor thats gota be at least 2 or 3 pound lighter than these, and i'm pretty sure racing brake and stoptech will all have their 2 piece rotors soon too for the G37 so the unsprung weight issue has its solutions, the only reason i havent bought new rotors is cus i already have these so i figured i might as well just do the kit and fix that issue later on |
Originally Posted by dregg100
(Post 9570905)
can u measure the overall diameter of the caliper and rotor so we can see if it will fit our cars(wheel setups)? and finished pics would be great! also, is that that rotor weight just because they are cheap ebay rotors or is that how much they all weigh?
i'm gona have at least like 30 or 40 pics of the build in an album that i'll post the link to so you guys can see everything every step of the way i'm pretty sure that its cus they are cheapy ebay rotors...i know that there are 2 piece oem replacement rotors from stoptech, ap racing, etc... |
please keep asking questions and raising concerns like this guys...i wana try and weed out all possible issues with this cus if we can get this to work flawlessly its a hell of a break through
i mean a front Brembo BBK for less than 800 or 900 bucks is not bad at all and a full Brembo BBK front and rear for less than like 1500 bucks... |
I know racingbrake already offers a 2-piece aluminum rotor for the G37s, at least they list it on their website. Problem is, is that they are like $450 each. So after you pay about $900 for rotors, $500-1000 for calipers, and then still have to modify things to get them to fit, the bolt on BBKs that are already offered look like a lot better solution. Again, not trying to knock what you are trying to do, just pointing this out.
Originally Posted by curacaosfinest
(Post 9571200)
thats the major thing for me too...i'm going to get lighter rotors eventually, just using these for now
i'm pretty sure AP racing makes a 2 piece rotor thats gota be at least 2 or 3 pound lighter than these, and i'm pretty sure racing brake and stoptech will all have their 2 piece rotors soon too for the G37 so the unsprung weight issue has its solutions, the only reason i havent bought new rotors is cus i already have these so i figured i might as well just do the kit and fix that issue later on |
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