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Old 30-05-2006, 09:22 PM   #61
Aaron
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ROB80E, Just a quick question to make sure I'm interpreting your pic ok. Leading Calipers now? as opposed to trailing on the GTX knuckles?

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Old 30-05-2006, 10:05 PM   #62
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Quote:
Originally Posted by ROB-80E
Mal - What you're fogetting is that the 4mm in rotor differnce is split 50/50 top and bottom. Also, if you look at majority of worn in rotors, there's 1.5 to 2mm of unused rotor on the outer edge. This was also the case with the original BA rotors.

So, to answer your question, my pads run perfectly to the edge as far as i can see so far.
I knew of the 1mm on the rotors but yeah brain wasn't thinking about the 4mm being 2mm each end so OK its on the edge, All Good.
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Old 31-05-2006, 03:30 PM   #63
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i have 1.5mm unused pad (bigger than standard pads) on the outside of my rotors, that why i wanted 4mm bigger mx-5 rotors, but on the rear i have 1.5mm unused rotor.

hmmm - maybe i'll have to do some checking also.
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Old 31-05-2006, 04:07 PM   #64
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Quote:
Originally Posted by Aaron
ROB80E, Just a quick question to make sure I'm interpreting your pic ok. Leading Calipers now? as opposed to trailing on the GTX knuckles?

A.
I don't get your question...the caliper position doesn't change on the rotors accross any of the models. All 323/lasers have the caliper forward of center...approx 10 o'clock if you get what i mean.
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Old 07-06-2013, 07:45 AM   #65
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Good thread from way back.
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Old 07-06-2013, 05:00 PM   #66
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and my upgrade answered some of the questions, this is one of dozens of threads I read through as well as comparing part dimensions in the catalogs at brakemart.
also talked it out with their lead technician on the thickness differences.
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Old 08-06-2013, 04:58 PM   #67
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I'm very happy with the v6 fronts, and Mazda6/MX5 hybrid rears (5 stud). Of all the things to deal with for engineering these were the easier. 274mm front, 276mm rear all OEM brackets etc.
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Old 09-06-2013, 12:12 AM   #68
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Do you mind sharing more model specific details or is it in your build thread? sounds perfect.
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Old 09-06-2013, 08:40 AM   #69
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Same as mine
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Old 09-06-2013, 09:17 AM   #70
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Yeah same as Dans, off the-shelf v6 fronts, then on the rear take a 2001-2005 MX5 caliper bracket, machine off approximately 2.5mm from the mounting ears to allow the caliper to mount centrally over the Mazda6 rear rotor, lastly take your Mazda6 rotor and machine 4mm from the diameter. Bingo, 5 stud, BA chassis compatible big rears.

If you stay 4-stud just use MX5 calliper brackets and the MX5 rotors, no machining.

What the engineers like about the setup is that you're not changing the away from stock piston sizes and stuff like that. In may case to certify any other combo (like the 330mm setup) was going to cost $1400 track hire plus Engineer consulting time in 4-hour blocks - the car would be subjected to a number of heat cycle tests, high-speed stop stability tests etc etc.
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Old 09-06-2013, 09:57 AM   #71
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Perfect! Thanks. Will have to track down the bracket first. All the engineers I've talked to up here seem a lot less strict than they should be. The response from one when I asked about the custom hat for the wrx rotor basically said "that looks well designed and over engineered, it'll be fine" LOL.
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Old 09-06-2013, 10:03 AM   #72
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a.c.t. must be super strict compared to us/qld. last time (2008 so might have changed since then) i did a brake conversion, the engineer took the car around the block 2 times, gunning it and slamming the brakes. then pulled the wheels of and poked around a bit. signed off. done. 30 minute process.
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Old 10-06-2013, 06:37 AM   #73
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rear caliper na/nb8 or ba?
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Old 10-06-2013, 07:06 AM   #74
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Ba and mx5 are the same caliper
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Old 10-06-2013, 07:20 AM   #75
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cool, thanks ryan.
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Old 10-06-2013, 09:37 AM   #76
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Are the rears only for ba or it works on bg aswell
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Old 16-06-2013, 09:53 AM   #77
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Quote:
Originally Posted by project.r.racing View Post
a.c.t. must be super strict compared to us/qld. last time (2008 so might have changed since then) i did a brake conversion, the engineer took the car around the block 2 times, gunning it and slamming the brakes. then pulled the wheels of and poked around a bit. signed off. done. 30 minute process.
Yeah, but that's the joys of being a a "State" that fully supports NCOP rules. At least we have clearly defined stuff to work to, and a RTA that still allows stuff within the spirit of the rules without getting silly.

So I'll take a strict brake test (safety) and a more accepting emissions ruling any day
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Old 16-06-2013, 08:13 PM   #78
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ACT rules and NT rules are great. They are that way so that Federal cars can get away with stuff. Even the cop cars. I know of a few AFP cars have things in places the NSW cops are jealous of.

But you QLD lot - seriously come on. You expect to be serious about anything ? Come off it. Your Queenslanders. You have big Flood and you expect the rest the country to pay for it.

I seriously don't know why some of you are bothering with rears. Unless it's full on time attack car or track car. You do have to accept it's a BIT OF A WANK on a street car. Especially on 70% biased front engine end drive car.
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Old 17-06-2013, 04:25 AM   #79
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why bother with rears? because that 20-25% is there for a reason otherwise the factory wouldn't bother with back brakes at all.
as with my upgrade it is better to maintain the correct bias, every little bit can help avoid that accident just around the corner.
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Old 17-06-2013, 08:07 PM   #80
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ACT rules and NT rules are great. They are that way so that Federal cars can get away with stuff. Even the cop cars. I know of a few AFP cars have things in places the NSW cops are jealous of.

But you QLD lot - seriously come on. You expect to be serious about anything ? Come off it. Your Queenslanders. You have big Flood and you expect the rest the country to pay for it.

I seriously don't know why some of you are bothering with rears. Unless it's full on time attack car or track car. You do have to accept it's a BIT OF A WANK on a street car. Especially on 70% biased front engine end drive car.
Seriously you expect us to take you serious also with you tangents?

The first part of you post has nothing to do with the subject matter.

Then your attempt to get serious and end up 20% off.

**** off, go ride some of your crusty West Sydney hookers and stop posting ****.
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