# Post a PIC of your latest purchase.

**URL:** https://forums.speedlife.net/t/post-a-pic-of-your-latest-purchase/235672
**Category:** Shift518 Off Topic
**Created:** [February 14, 2008, 1:56pm UTC](https://forums.speedlife.net/t/post-a-pic-of-your-latest-purchase/235672 "2008-02-14T13:56:25Z")
**Posts on this page:** 1
**Showing post:** 10394

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### Author: ![OsoiNA6](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/osoina6/32/6301_2.png) [@OsoiNA6](https://forums.speedlife.net/u/OsoiNA6)
#### Post date: [April 2, 2011, 7:43pm UTC](https://forums.speedlife.net/t/post-a-pic-of-your-latest-purchase/235672/10394 "2011-04-02T19:43:48Z")

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> [@WTB: Car with 35+ mpg](https://forums.speedlife.net/t/wtb-car-with-35-mpg/40799/10):
>
> Really? Not because of materials?
> 
> How come BBK’s are much harder to warp than the OEM cheap crap? Better design/efficiency of the caliper itself?

Heat is what causes the rotors to warp. Some brake rotors do have improved materials, but BBK has larger surface area (and in most of them the rotor is thicker as well). Idea behind slotting / etc is to increase surface area and improve ability to remove heat from the rotors. El cheapo dryer hose brake cooling kit could probably help here too- probably not in character with pimpin’ in an Infiniti M though LOL

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