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LS to ITR to NSX Caliper conversion

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Old Mar 8, 2010 | 03:46 PM
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Default LS to ITR to NSX Caliper conversion

Ok, I work at an Acura dealership. I've got an '01 LS Integra that I want to put ITR 5 lug suspension/brake set up on. I also have at my disposal some used NSX NA1 and/or NA2 front brake calipers. If I use the bearings, hubs, rotors and pads from the ITR up front, can I bolt up the NSX calipers without a problem? I think there's some milling involved with the brackets...? I'm not concerned with the caliper compatibility with the rear as I've got RSX rear setup already in the works. I've read threads about this type of conversion on DA Integras and Civics but I'm confused...if I use the above mentioned parts, will either the NA1 or NA2 calipers bolt up? Thanks for any advice...
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Old Mar 8, 2010 | 05:36 PM
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Default Re: LS to ITR to NSX Caliper conversion

anyone got any input on this?
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Old Mar 8, 2010 | 05:49 PM
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Default Re: LS to ITR to NSX Caliper conversion

Originally Posted by roastbeefrichie
nsx calipers will work on your 5-lug using the itr brackets (stamped 23T), stock itr rotors, & will clear usdm itr oem wheels

https://honda-tech.com/forums/acura-integra-type-r-8/question-regarding-nsx-calipers-itr-1159478/
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Old Mar 8, 2010 | 06:10 PM
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Default Re: LS to ITR to NSX Caliper conversion

is the ITR caliper bracket necessary or can i use the LS bracket? i'm trying to avoid buying the ITR caliper just to use the bracket...

edit: i can't get just the bracket, only a whole new caliper is available so...
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Old Mar 8, 2010 | 08:03 PM
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Default Re: LS to ITR to NSX Caliper conversion

the "LS" bracket won't work w/ NSX calipers

the reason for the ITR 23T bracket:
Originally Posted by jeff652
The ITR Rotor & bracket are 23mm wide, while the NSX caliper is designed for a 28mm rotor
NSX calipers w/ 25T bracket, ITR rotor is a safe bet since it's only off by 2mm


Originally Posted by chameleon,
"91-96 calipers bolt right up to 5lug suspension as well as 97+ nsx calipers do.
except all nsx rotors are 28mm thick and itr's are 23mm so this will bring up all the issues abotu shims and spacers that im still seeing no point to, calipers float and will compress so the use of shims is really not necessary unless your pads are almost gone which i doubt anyone will go to that limit."

Originally Posted by Dan GSR,
"this could possibly lead to a dangerous situation...where your piston may travel too far out when your pads have worn down....( just speculation, I don't know how long the piston is, as I haven't taken it apart)"

https://honda-tech.com/forums/showth...t=nsx+calipers

use of NSX brackets (stamped 28T) w/ NSX calipers
Originally Posted by migs, "NSX Caliper Install + Legend GS 28mm rotors"

https://honda-tech.com/forums/acura-integra-type-r-8/finally-nsx-brake-caliper-install-legend-gs-rotors-239844/

Last edited by roastbeefrichie; Mar 8, 2010 at 08:36 PM.
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Old Mar 8, 2010 | 10:04 PM
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Default Re: LS to ITR to NSX Caliper conversion

before you convert your 01 integra LS 4X100 to a 5-lug,

have you considered you keeping your 4X100 & still swapping the NSX calipers?

the brackets can be found in junkyards; examine the slider pins move freely & the boots aren't ripped.

brackets are also are available at parts stores, "dorman" reman's them.

once you acquire the brackets, you'll need to have them machined
Originally Posted by roastbeefrichie
approx 3.2 mm (or an 1/8")

examine the bracket (where the 23T is stamped) & look for the #3 to be cut in half

the amount machined should be equivalent on both sides on each bracket (which mates to the knuckle)

Originally Posted by BrakeExpert,


Originally Posted by BrakeExpert,


https://honda-tech.com/forums/honda-civic-del-sol-1992-2000-1/diy-brake-upgrade-integra-front-brakes-dx-knuckles-1484555/
(when installing NSX, ITR or legend GS 2-pot calipers on to non type-r hubs, machine work is required)

ROTORS
a. re-drill prelude VTEC rotors to 4X100
b. fastbrakes.com 4X100 11" rotor

everything is a bolt-on, bleed your brakes, & break in your pads.

imo, spend the rest on tires


so which NSX calipers are at your disposal?

you stated you have NSX NA1 and/or NA2?
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Old Mar 9, 2010 | 09:46 AM
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Default Re: LS to ITR to NSX Caliper conversion

Originally Posted by roastbeefrichie
before you convert your 01 integra LS 4X100 to a 5-lug,

have you considered you keeping your 4X100 & still swapping the NSX calipers?

the brackets can be found in junkyards; examine the slider pins move freely & the boots aren't ripped.

brackets are also are available at parts stores, "dorman" reman's them.

once you acquire the brackets, you'll need to have them machined


(when installing NSX, ITR or legend GS 2-pot calipers on to non type-r hubs, machine work is required)

ROTORS
a. re-drill prelude VTEC rotors to 4X100
b. fastbrakes.com 4X100 11" rotor

everything is a bolt-on, bleed your brakes, & break in your pads.

imo, spend the rest on tires


so which NSX calipers are at your disposal?

you stated you have NSX NA1 and/or NA2?

yeah a friend of mine has a '91 NSX that he's been modding over the past few years that i've worked at the dealership and we established our relationship there...

anyway, he comes up and orders parts all the time, recently upgraded his brakes to a custom Brembo setup and now has these calipers just laying around...

said he had a set for an NA1 and an NA2 but only had brackets for one set, believe he said they were for the first gen...

i'm pretty set on the 5 lug setup, i've already ordered in the parts from my NJ warehouse and they should all be there this afternoon when i go into work, minus the rear trailing arms as they were being shipped from Cali...

i'm not opposed to modifying what needs modification at all, my friend is a contractor by trade and we usually do all our own service/maintenance and upgrades ourselves...hell, he dropped his own motor and trans in a garage last year and had it back and running within a week...

i appreciate your help man, gives me more motivation to knock this out
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Old Mar 9, 2010 | 11:30 AM
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Default Re: LS to ITR to NSX Caliper conversion

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Old May 25, 2010 | 03:00 PM
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Default Re: LS to ITR to NSX Caliper conversion

i am about to do the itr 5 lug brake set up on my ls dc2. Ive heard that the brakes will mount up to the stock hub knuckle when you use the 25t caliper bracket and the nsx caliper also mounts up to that as well. im in the works on my brake set up il post up every thing i end up using wen im done with it all.
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Old May 25, 2010 | 04:55 PM
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Default Re: LS to ITR to NSX Caliper conversion

definitely keep us posted with updates
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