Author Topic: EF Civic & CRX 11.1in front brakes using DA knuckles.  (Read 13893 times)

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Offline bigdare23

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EF Civic & CRX 11.1in front brakes using DA knuckles.
« on: November 12, 2009, 07:14:58 pm »
Back in January, I was forced to convert to rear disc when my drums decide to crap out on me (leaky brake fluid FTL). Well, after driving around with the rear disc for a month and a half (as expected, I didn't notice much gain) I decided it was time to upgrade the front. I didn't want to waste my money on slotted or crossed drilled rotors since I view them as only a "bling" factor. So I decided to upgrade to a larger rotor and caliper. At first, I was going to install the 11" fastbrake kit on my CRX Knuckles, but I decided against that. I had a pair of DA knuckles sitting around, and saw this as a perfect opportuni ty to press in new bearings/ball joints/arp extended studs and do an OEM 11in brake upgrade. So I search for the proper calipers w/bracket (17CL15VN caliper found on Preludes, Vigers, Accord Wagons&V6s, and TLs) and got 4x114 Prelude Vtec rotors. After finding them, I had to take the brackets to get milled down 3mm and get the rotors redrilled to 4x100.

The end results were





11.1in brakes vs 14in rims


installed behind a 15in wheel


tight, but the setup fits!



Overall, I'm very satisfied with results. I believe for the price I invested, I couldn't get a better setup. My car already had a DA master cylinder and brake booster installed, so I didn't have to worry about that. Now I'm using a 91 CRX Si prop valve and may upgrade to a 4040, but the one I'm using now is working just fine. I'm also rocking Autozone's Special pads :D and they grab just fine for me (a lot better than stock. Now I can lockup my brakes when I previousl y couldn't.). After getting aligned, the DA knuckles didn't change the geometry of suspensio n (unlike if you were to install DC/EG/EK knuckles on my EF). My camber changed only .1degree on both sides (negative camber FTW), my caster did not change, and my toe was able get put back into range with no problems. If anyone has any questions and/or want more pics of anything lmk.

*sidenote* This setup is pretty heavy, so it's not for a car on a diet. Also, if you need even more stopping power, the type r calipers can be swapped with 92up Acura Legend GS Calipers which are the same as NSX calipers (2 pistons rather than 1) just heavier.



Here's a link to upgrade your rear brakes
http://eastcoastefcivics.com/index.php?topic=2036.0


*UPDATED*
Rather than getting the caliper brackets milled you can purchase these spacers.
http://forums.nwp4life.com/zerothread?id=19453&page=1

These spaces should move the rotor out far enough so you wont have to worry about it rubbing the caliper.
« Last Edit: June 15, 2011, 11:09:59 pm by bigdare23 »
-1988 CRX Si v2.0 coming soon

Offline JDMJAYDC2

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Re: 11.1in front brakes using DA knuckles.
« Reply #1 on: November 12, 2009, 07:19:46 pm »
any info dare on how much this cost you total vs buying the fast brakes kit


-banana peelin timing belts since 09

Quote from: rbwdriven
Dare said the gaskets work wonders as long as you don't start the car.

Offline bigdare23

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Re: 11.1in front brakes using DA knuckles.
« Reply #2 on: November 12, 2009, 07:31:30 pm »
This is a picture of the brackets getting milled down 3mm

-1988 CRX Si v2.0 coming soon

Offline S.Brewer

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Re: 11.1in front brakes using DA knuckles.
« Reply #3 on: November 12, 2009, 08:57:02 pm »
this really seems like a great little set up. Props
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Offline dudebuddy

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Re: 11.1in front brakes using DA knuckles.
« Reply #4 on: November 14, 2009, 12:47:48 pm »
is it the dual piston set up? i have a pair of calipers and brackets off of a 93 legend. (ie. the easiest brake upgrade you NEVER knew about on HT) i have yet to start with the milling on the bracket mainly because im a D-series guy but i have been keeping them to the side for when i decide to go with the upgrade (yes i know they will lock up) or just sell them when im ready to do so!

just feels good to know that i got some ITR calipers just kinda hanging out ready for use!

how is the ride and did you have any clearance issues with the bracket riding on the rotor at the hub?

and did your set up allow fitament for the 14" wheels? i know the ITR setup must run ATLEAST a 15" wheel with a real tight clearance ....


you eventuall y sit back and look around to see that most of the pieces that are falling, are falling in place.

Offline bigdare23

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Re: 11.1in front brakes using DA knuckles.
« Reply #5 on: November 14, 2009, 04:56:17 pm »
This setup will fit 15in rims. You have to grind down the calipers to clear some setups. I used only the one piston calipers for this setup. If you want two piston calipers, do everythin g I did, but swap out the calipers with NSX or Legend GS calipers.
-1988 CRX Si v2.0 coming soon

Offline S.Brewer

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Re: 11.1in front brakes using DA knuckles.
« Reply #6 on: November 14, 2009, 10:54:17 pm »
I applaud Thee
Stay AT Home Crew Member/Canibeat/outperformance shop.com/ptaponline.com/teamiphone

Offline bigdare23

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Re: 11.1in front brakes using DA knuckles.
« Reply #7 on: August 24, 2010, 08:57:34 pm »
Just an update.

I found a part number for the ITR brake brackets (this is the hardest part to find). You can get the brackets new for as cheap as $25 online. The part number is 619-306 and the brand is Dorman.
-1988 CRX Si v2.0 coming soon

Offline cbeengineering

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Re: 11.1in front brakes using DA knuckles.
« Reply #8 on: August 24, 2010, 09:17:36 pm »
legend calipers arent exactly the same as NSX calipers. they share the 2 piston design but they have 38 and 42mm pistons on the Type II legend.
the nsx features 36 and 40mm pistons.

Offline JDMJAYDC2

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Re: 11.1in front brakes using DA knuckles.
« Reply #9 on: August 24, 2010, 09:19:54 pm »
legend calipers arent exactly the same as NSX calipers. they share the 2 piston design but they have 38 and 42mm pistons on the Type II legend.
the nsx features 36 and 40mm pistons.

leave it to MR.ANAL to point out the 2mm differenc ;D

but thats why i love you doug


-banana peelin timing belts since 09

Quote from: rbwdriven
Dare said the gaskets work wonders as long as you don't start the car.

Offline cbeengineering

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Re: 11.1in front brakes using DA knuckles.
« Reply #10 on: August 24, 2010, 09:56:43 pm »
thanks buddy  ;D

i was actually wrong. the Legend GS calipers are the same. I was trying to point out the Type II calipers are bigger.

Offline rbwdriven

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Re: 11.1in front brakes using DA knuckles.
« Reply #11 on: August 25, 2010, 07:01:41 am »
But 2mm can get you in an awful lot of issues when you are looking for clearance .

Offline Bus Driver J

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Re: 11.1in front brakes using DA knuckles.
« Reply #12 on: August 25, 2010, 08:47:25 am »
He was talking about 2mm of piston size.
Quote from: cbeengineering
trying to be cool by having a "ole skoo" car, I guess.


Offline rbwdriven

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Re: 11.1in front brakes using DA knuckles.
« Reply #13 on: August 25, 2010, 09:40:40 am »
Oh ok.

makes sense.

Offline rbwdriven

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Re: 11.1in front brakes using DA knuckles.
« Reply #14 on: August 25, 2010, 11:53:35 am »
plus i caught in honda tuning wildwood is having a 499 special.


 

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