# LS1 guys come in....

**URL:** <https://forums.speedlife.net/t/ls1-guys-come-in/50853>\
**Category:** NYSpeed Automotive\
**Created:** [June 30, 2008, 6:29pm UTC](https://forums.speedlife.net/t/ls1-guys-come-in/50853 "2008-06-30T18:29:31Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![jt76](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jt76/32/5100_2.png) [@jt76](https://forums.speedlife.net/u/jt76)\
**Post date:** [June 30, 2008, 7:06pm UTC](https://forums.speedlife.net/t/ls1-guys-come-in/50853/13 "2008-06-30T19:06:04Z")

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the one guy i talked to had these heads on his 2004 GTO… 224/224 cam FAST 90 full exhaust etc and claims he went from 358rwhp - 406rhp with just the head swap.

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