# what can i boost?

**URL:** <https://forums.speedlife.net/t/what-can-i-boost/243432>\
**Category:** Builds\
**Created:** [April 10, 2009, 9:07am UTC](https://forums.speedlife.net/t/what-can-i-boost/243432 "2009-04-10T09:07:47Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Mk4\_30R\_Ban](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/mk4_30r_ban/32/6347_2.png) [@Mk4\_30R\_Ban](https://forums.speedlife.net/u/Mk4_30R_Ban)\
**Post date:** [April 10, 2009, 9:24am UTC](https://forums.speedlife.net/t/what-can-i-boost/243432/3 "2009-04-10T09:24:23Z")

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> [@\*\*\*Subaru crew READ ASAp\*\*\*](https://forums.speedlife.net/t/subaru-crew-read-asap/16724/4):
>
> get a wideband and see if the car runs lean with the new pully

WB02 is a must if you have no other way of logging the AFR, or knock count

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