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Thread: 2.2 rear brake discs

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    Regular Member Wolf's Avatar
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    Default 2.2 rear brake discs

    Can anyone driving a 2.2 petrol help me out please. I am after a set of rear callipers and there is one guy on e-bay seling me one for a good price but they come of a 2.2 petrol so I need to know what size are the rear discs on a veccy with that engine.

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    Regular Member glynn's Avatar
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    they should be the same size as the difference is on the gsi as these have slightly bigger discs

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    Regular Member Wolf's Avatar
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    So the 2.2 petrol has the same rear discs as my 2.2 DTI. And I thought I am on to a good deal.

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    Regular Member glynn's Avatar
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    Quote Originally Posted by Wolf View Post
    So the 2.2 petrol has the same rear discs as my 2.2 DTI. And I thought I am on to a good deal.

    i think the diameter is 282mm

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    [Ex]Admin Duncan's Avatar
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    Quote Originally Posted by Wolf View Post
    So the 2.2 petrol has the same rear discs as my 2.2 DTI.
    Yes, they'll both be 278mm discs. 292mm are fitted to the 3.0CDTi, 3.2 and 2.0T

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    Regular Member Wolf's Avatar
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    Thank Duncan. It's the 292 callipers I am after as I am doing a rear brake upgrade but I just don,t want to pay that much.

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    Regular Member Ian S100's Avatar
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    Have you already upgraded the fronts as upgrading the rears is largely a cosmetic exercise?!

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    [Ex]Admin Duncan's Avatar
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    Quote Originally Posted by Ian S100 View Post
    Have you already upgraded the fronts as upgrading the rears is largely a cosmetic exercise?!
    No, I wouldn't say so. Whilst the fronts do a larger % of the braking, the larger rears do make a difference. My 2.0T obviously came with the 292mm rears as standard. I then upgraded the 302mm fronts to 314mm and I can tell you, my car pulls up sharper than a Signum that had 314mm front upgrade but the standard 278mm rears.

    D

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    Regular Member Ian S100's Avatar
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    I very much doubt that even standard rear brakes ever work to 100% of their ability.

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    Regular Member Wolf's Avatar
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    I have already changed the fronts for 314mm and also painted them blue as my Veccy is blue so I think they really look great. But the problem is I read on a different thread that to upgrade the rears you only need bigger discs and biger calliper cariers so I bought both of them just to check last night the same thread that has been updated in the meanwile and find out that I need new callipers as well as the old ones are not really big enough . Please help me . I need someone to make it clear. Do I or do I not need biger rear callipers to upgrade from 278mm to 292mm?

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