# C6Z vs KB GT500

**URL:** https://forums.speedlife.net/t/c6z-vs-kb-gt500/39982
**Category:** NYSpeed Automotive
**Created:** [December 9, 2007, 8:28am UTC](https://forums.speedlife.net/t/c6z-vs-kb-gt500/39982 "2007-12-09T08:28:06Z")
**Posts on this page:** 1
**Showing post:** 25

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### Author: ![Oroc](https://avatars.discourse-cdn.com/v4/letter/o/c68b51/32.png) [@Oroc](https://forums.speedlife.net/u/Oroc)
#### Post date: [December 19, 2007, 8:10am UTC](https://forums.speedlife.net/t/c6z-vs-kb-gt500/39982/25 "2007-12-19T08:10:00Z")

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> [@bladez](#):
>
> yea, why would you run 12 psi on a kb :gotme:
> 
> especially a kb that big, the 2.8’s don’t hit their efficiency range until 20+ psi…

huh huh time to come to the darkside fag!

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