# want to upgrade my breaks

**URL:** <https://forums.speedlife.net/t/want-to-upgrade-my-breaks/110207>\
**Category:** SON240sx Automotive\
**Created:** [October 11, 2007, 11:02pm UTC](https://forums.speedlife.net/t/want-to-upgrade-my-breaks/110207 "2007-10-11T23:02:32Z")\
**Posts on this page:** 1\
**Showing post:** 20

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**Author:** ![Neejay](https://avatars.discourse-cdn.com/v4/letter/n/b9e5f3/32.png) [@Neejay](https://forums.speedlife.net/u/Neejay)\
**Post date:** [October 16, 2007, 3:33pm UTC](https://forums.speedlife.net/t/want-to-upgrade-my-breaks/110207/20 "2007-10-16T15:33:19Z")

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> [@Best Theme Song in History](https://forums.speedlife.net/t/best-theme-song-in-history/14453/6):
>
> Actually… Q45s are larger… 282mm x 28mm vs the 180sx @ 280mm x 22mm
> 
> Instead of re-drilling the Q45 to 4 bolt thou you could simply use the altima/180 rotor as the smaller 2mm dia isnt a big deal and 6mm width difference is easily absorbed throu the pad/pistons etc…

Are you 100% sure? I hope so, because I’ve had a pair of q45 calipers for a while because there isn’t anyone around here that drills rotors.

Has anyone done this?

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