# Help...which one should I get

**URL:** <https://forums.speedlife.net/t/help-which-one-should-i-get/191539>\
**Category:** PittSpeed Automotive\
**Created:** [August 2, 2007, 8:17pm UTC](https://forums.speedlife.net/t/help-which-one-should-i-get/191539 "2007-08-02T20:17:52Z")\
**Posts on this page:** 1\
**Showing post:** 23

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**Author:** ![burnyd](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/burnyd/32/6020_2.png) [@burnyd](https://forums.speedlife.net/u/burnyd)\
**Post date:** [August 4, 2007, 9:39am UTC](https://forums.speedlife.net/t/help-which-one-should-i-get/191539/23 "2007-08-04T09:39:33Z")

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> [@streetfire vid of the day.](https://forums.speedlife.net/t/streetfire-vid-of-the-day/31712/2):
>
> vvt-i vs vvtl-i  
> not sure which one the tC has, but one’s more for fuel economy and the other is your v-tec + fuel eco.  
> since it’s a camry motor or w/e i’d imagine it’s just the fuel economy one, but that doesn’t mean the car doesn’t have balls 🙂

pretty much… vvti just adjusts the ignition timing over a period of time depending on who is driving the car / how the car is driven over a period of time… its basicly for a family car that is driven by mommy daddy and their 17 year old son who has a lead foot.

vvtLi = variable valve timing and LIFT! = Lift is the same concept as vtek. but unfortunately only on one toyota motor that I know of ☹

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