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Author Topic: brake rotors and abs  (Read 1655 times)

deepdarkminimal

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brake rotors and abs
« on: January 21, 2013, 01:52:44 PM »
Hi people.
Thinking of getting some new brake rotors for my car just to tidy it up a bit.
Im running r33 big brakes on my r32 coupe so will be looking for r33 turbo size rotors. Which i think are 296mm (can anyone confirm the width?)
Could be interested in slotted too if they arent too pricy.
So have any of you bought new rotors before? Where are some good places to buy from?
Have had a little look on trademe but im interested to see what yous think.

Also i think my abs isnt working 100% it has locked up on me a couple of times so need to check it out. Any things I'm able to check myself?
Could it be that ive replaced the brakes with non abs brakes?
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RENEN

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« Reply #1 on: January 21, 2013, 02:32:13 PM »
I got these and they are great:
http://www.trademe.co.nz/553972026
I think you can get them cheaper without the pads
« Last Edit: January 21, 2013, 04:43:49 PM by RENEN »

AGRORB

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« Reply #2 on: January 21, 2013, 03:05:12 PM »
I.got Project Mu SCR Pure Plus rotors from RHD Japan, slotted, and cheaper than Repco or BNT at $1100 shipped for the set :)
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deepdarkminimal

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brake rotors and abs
« Reply #3 on: January 21, 2013, 05:39:22 PM »
thanks guys, did they fit straight on without modding anything?
how did it feel after installing them over the stock ones?

agrorb - any chance you have a link for those ones you got?

also can anyone shed some light on abs problems? are there any checks i can do myself to give me an idea if its working or not? apart from slam my foot down while driving ofcourse haha.
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RENEN

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« Reply #4 on: January 21, 2013, 06:29:52 PM »
i did the rotors, pads, braided lines and BMC at the same time, and the difference was amazing, stops on a dime

AGRORB

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« Reply #5 on: January 21, 2013, 07:01:42 PM »
I'll pm you one dude, straight swap-over from the factory rotors, and they look nice.
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deepdarkminimal

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« Reply #6 on: January 21, 2013, 07:15:46 PM »
sweet, already have braided lines.

renen - i assume bmc = brake master cylinder?
will i need a better one?

ive been driving the car round for prob over 6 months now with the 5 stud gear on and it feels alright
the discs are quite worn though hence why i want new ones.
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RENEN

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« Reply #7 on: January 21, 2013, 07:19:13 PM »
sorry, i was meaning the brake master stopper. but no modifying was needed to put my new brakes rotors on either

deepdarkminimal

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« Reply #8 on: January 21, 2013, 09:39:47 PM »
sweet, whats the stopper for?
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AGRORB

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brake rotors and abs
« Reply #9 on: January 21, 2013, 09:46:04 PM »
Stops your firewall flexing under hard braking and gives much better pedal feel. You'd be surprised how much it moves!
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gtsr

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brake rotors and abs
« Reply #10 on: January 21, 2013, 09:50:03 PM »
R32GTR 296mm front rotors, R32GTR front calipers bolt on to R32 GTS-T Type-M hubs. There's a R32GTS-T in Wellington with that conversion and there's photo's in build thread.

Remove ABS and run non ABS brake master cylinder, hardlines (from a R32 GTS-T Type-M). Some fit 300zx brake master cylinder.

Racebrakes -

http://www.racebrakes.co.nz/

zifzone

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« Reply #11 on: January 22, 2013, 09:28:06 AM »
Quote from: AGRORB;611452
Stops your firewall flexing under hard braking and gives much better pedal feel. You'd be surprised how much it moves!


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deepdarkminimal

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« Reply #12 on: January 22, 2013, 09:45:23 AM »
Not looking for new calipers just rotors and pads
Maybe this stopper aswell if it's as good as yous say haha
are the stoppers hard to install?

Gtsr can you tell me more about removing abs
How do i tell if i have abs in the first place?
What are the benefits in removing it and fitting a different master cylinder
« Last Edit: January 22, 2013, 12:37:48 PM by deepdarkminimal »
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gtsr

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brake rotors and abs
« Reply #13 on: January 22, 2013, 03:59:23 PM »
My car never had ABS and haven't had any situations where it became a problem if I pulsed brake (even braking from 100km/h in the wet where other cars would lock up and emergency braking at 50km/h).

The module thing that sits on the right side of engine bay is the ABS module -

http://www.lum.co.uk/cars/Cefiro/Ceffy_engine.jpg

You need the R32 Type-M non ABS brake master cylinder (If I remember correctly, amount of ports on side are different between ABS, non ABS brake master cylinders and I think internals might be different diameter), hardlines in engine bay that run across firewall.

There should be a ABS computer as well, I think on GTS, GTR it sits on passenger side under rear parcel tray (ABS, 4wd ECU with GTR).

Also you need to resetup brake bias from front to rear of car and should be a way to adjust this just behind brake master cylinder when you have it off (I would get advice from pro's or Nissan dealership on how to set this, as is the hardest part of the conversion). On some cars I think it's the brake master cylinder itself that changes the bias.

The non ABS 300ZX brake master cylinder (same diameter rotors, etc brakes but heavier car) is bigger? diameter, so gives better braking over stock non ABS brake master cylinder and brake pedal sits at a different height when it's pressed.

ABS is designed to prevent lockup (pulse brakes) in emergency braking situations to prevent wheels locking up (when you push brake pedal as hard as you can) when ground is wet, etc.

ABS can make it hard to late brake on racetrack. If watch racecars with ABS you'll see what I mean, where they lockup and go in a straight line off the racetrack when late braking (common if ABS fails). Also is less to go wrong (ABS module, etc leaks which needs to be fixed / rebuilt). Nismo had an upgraded ABS module in engine bay for R32 GTR, but are very rare, hard to get hold off. They removed ABS on R32 N1 GTR's.

I noticed on F1 cars they had multiple stage ABS which applies pressure in stages to prevent lockup. Stock ABS looks like single stage.

If you look at a Group-A racecar it doesn't have ABS (has bigger rotors, race tyres, etc) and can pull up better than stock GTR with ABS and has cold tyres, brakes, etc (pulls up better once they are warm) -

http://www.youtube.com/watch?v=AwbbA3INlgA
« Last Edit: January 22, 2013, 04:03:15 PM by gtsr »

deepdarkminimal

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brake rotors and abs
« Reply #14 on: January 22, 2013, 06:23:02 PM »
thanks for that pic. it looks as though mine is already non abs?
here is an old pic of my engine bay
http://i48.tinypic.com/13za0w3.jpg

in that case im happy with that and just have to learn how to brake properly in emergency situations.. lol

i will most likely go with something along the lines of what renen posted for rotors.
looks like the best bang for buck.

lastly how easy are these stoppers to install?
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