# LS1\>5.0

**URL:** <https://forums.speedlife.net/t/ls1-5-0/254009>\
**Category:** Shift518 Automotive\
**Created:** [August 17, 2010, 12:30pm UTC](https://forums.speedlife.net/t/ls1-5-0/254009 "2010-08-17T12:30:21Z")\
**Posts on this page:** 1\
**Showing post:** 54

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**Author:** ![jdaniels](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jdaniels/32/6399_2.png) [@jdaniels](https://forums.speedlife.net/u/jdaniels)\
**Post date:** [August 18, 2010, 1:34pm UTC](https://forums.speedlife.net/t/ls1-5-0/254009/54 "2010-08-18T13:34:01Z")

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> [@gtp\>m roadster](https://forums.speedlife.net/t/gtp-m-roadster/34446/5):
>
> There is not a lot of difference between a L99 and a LS3. Mostly active fuel management…

Cam, lifters, cam phaser, heads, etc. Plenty different. RPM is limited on the L99 due to lifter design as well.

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