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Thread: what's a good brake upgrade?

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    Default what's a good brake upgrade?

    hi all can any one help? iv got a 05plate signum 1.9dtci (150) but iv had it remaped and it runnin at just over 200bhp so i think its time to make it stop abit better can anyone help? what is a good upgrade for the brakes?

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    314mm seems a good upgrade

    i got mine from scrapped V6

    make sure that you get the 292 from the rear at same time so to maintain balance

    make sure V6 is 314model as early ones carried 302mm

    I think neo brothers do a 314mm setup on the web

    others do 345mmVXR setup but that might not fit under 17inch rim or if it does be very close with issues with wheel balance weights

    I have a 302mm front set awaiting a good home if you are interested or can't locate a 314mm set

    pm me if you want them.


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    Regular Member Danwells72's Avatar
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    Vehicle : Vectra

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    Engine : 1.9 cdti 150

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    i recently upgraded to 314 front and 292 rear and there is a good difference. well worth it

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    Full Member Big Sig's Avatar
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    Quote Originally Posted by mparks8590 View Post

    make sure V6 is 314model as early ones carried 302mm
    just a note; all of the v6 cdti's (dti's) had 314mm also.
    Now I need a turbo to keep up!

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    Regular Member Vectra_C_Chris's Avatar
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    My 2003 CDXi (GSi) had 314mm brakes. I'm still confused at why some V6's have them and some don't. 314mm brakes easily fit 17" wheels. Go for the 345mm VXR discs and get some real stopping power. Won't fit below 19" apparently.

    (Also looks awesome )

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    Full Member Big Sig's Avatar
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    Quote Originally Posted by Vectra_C_Chris View Post
    My 2003 CDXi (GSi) had 314mm brakes. I'm still confused at why some V6's have them and some don't. 314mm brakes easily fit 17" wheels. Go for the 345mm VXR discs and get some real stopping power. Won't fit below 19" apparently.

    (Also looks awesome )
    The 345's will fit under some 17's
    Now I need a turbo to keep up!

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    Regular Member simon1's Avatar
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    Quote Originally Posted by Big Sig View Post
    The 345's will fit under some 17's
    as the man says do fit under 17 fitted a set to mine also just got a set of 292mm rears to fit later today been in shed a month now got a week off work will see if any diff in the rear braking

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    yes but also think about if you get a flat

    will they work with spare wheel?

    314 will work with spare

    345 probably won't

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    East Scotland Regional Organiser signumboy's Avatar
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    Quote Originally Posted by mparks8590 View Post
    yes but also think about if you get a flat

    will they work with spare wheel?

    314 will work with spare

    345 probably won't
    Easy answer take one of the wheels off the rear & put spare on in place

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    Regular Member Jezzy's Avatar
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    Quote Originally Posted by Vectra_C_Chris View Post
    My 2003 CDXi (GSi) had 314mm brakes. I'm still confused at why some V6's have them and some don't. )
    No need to be confused fella - GSi's up to chassis number 31070293 had 302mm front disks; GSi's with chassis number 31070294 onwards had the 314mm disks.

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