# went to the track and got some new times

**URL:** <https://forums.speedlife.net/t/went-to-the-track-and-got-some-new-times/259718>\
**Category:** Shift518 Automotive\
**Created:** [August 1, 2011, 10:05am UTC](https://forums.speedlife.net/t/went-to-the-track-and-got-some-new-times/259718 "2011-08-01T10:05:50Z")\
**Posts on this page:** 1\
**Showing post:** 31

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**Author:** ![AMD\_IS\_THE\_BEST](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/amd_is_the_best/32/6342_2.png) [@AMD\_IS\_THE\_BEST](https://forums.speedlife.net/u/AMD_IS_THE_BEST)\
**Post date:** [August 4, 2011, 5:55am UTC](https://forums.speedlife.net/t/went-to-the-track-and-got-some-new-times/259718/31 "2011-08-04T05:55:51Z")

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> [@Joined the bike crew EDIT\* SHES HOME!!](https://forums.speedlife.net/t/joined-the-bike-crew-edit-shes-home/44396/15):
>
> Speed density is always the way to go with F/I, big cam(s) or when you pass the g/sec limitations of the PCM (pretty easy to do). Mass air flow sensors aren’t as picky about environmental changes, but they can be affected by dirt/dust/grime and become inaccurate over time.
> 
> Both are obviously useful in their own sense, in the case of the LS1 PCM it uses both redundantly and I tune both if it’s feasible.

You know nothing, bro.

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