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Thread: N14 Rear Brake Upgrade/Info

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  1. #23

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    Quote Originally Posted by Ruddigger View Post
    LOL dude if you dont want people to put them on there car you can just say so , we wont be offended :P
    I love upgrading cars and especially innovative options like using brakes from other models and even brands to obtain improvements

    The thing I'm not buying into is this brake bias/balance issue

    My Pulsar has been corner weighted, 64% weight at the front - that's before you get load transfer during hard braking
    Some of the improved production racers joke that the rear wheels on FWD are only there to keep the bum off the ground
    Clearly an exaggeration of the simple fact the FWD are front biased

    At my first Pulsar Challenge race day I had plastic hub centric rings
    The fronts melted but the rear ones were fine
    If the rears are not making much heat (and not much weight down the back), no need for more rear braking power

    Remember the GTIR version will have more rearward weight due to the rear diff etc
    So it will be able to do more braking at the rear

    My VW turbo wagon has 200kw at the flywheel
    Upgraded the front rotors by 50mm and used huge 6 pot calipers
    I have so much front braking I can stab the brake pedal at 110kmph and get the front tyres to chirp before the ABS kicks in
    I have had it around Wakefield - drives great, no brake bias problems

    My wife's car is a Mazda3 SP23 - I've always been disappointed with it's outright braking ability
    At 120k she's finally worn out the front rotors which presented me with the perfect opportunity to upgrade
    I've obtained the front brake calipers from the Mazda3 MPS turbo (cheap too) - they are really huge - although the front rotors are only 20mm larger
    To my surprise the SP23 (115kw) and the MPS (190kw) both use the same rear brake calipers and rotors
    Using DBA T2 sloted rotors, ProjectMu pads and braided lines
    Can't wait to finish this job (next weekend) and bed the pads in

    This photo shows the stock and turbo calipers - huge difference in size
    Last edited by Martin; 31-10-2015 at 02:21 PM.

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