# SR20DET Power Upgrade Walkthrough

**URL:** <https://forums.speedlife.net/t/sr20det-power-upgrade-walkthrough/131774>\
**Category:** Vendor Marketplace\
**Created:** [February 26, 2010, 5:06pm UTC](https://forums.speedlife.net/t/sr20det-power-upgrade-walkthrough/131774 "2010-02-26T17:06:00Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![87s15lt1](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/87s15lt1/32/5706_2.png) [@87s15lt1](https://forums.speedlife.net/u/87s15lt1)\
**Post date:** [March 2, 2010, 6:00am UTC](https://forums.speedlife.net/t/sr20det-power-upgrade-walkthrough/131774/14 "2010-03-02T06:00:05Z")

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> [@Happy Birthday 01AudiS4](https://forums.speedlife.net/t/happy-birthday-01audis4/26334/2):
>
> Great thread.
> 
> Just wondering why you suggest a max power of 450whp with a Power FC? I remember reading about a couple of cars that used a PFC and made over 500whp.
> 
> Also, what makes the PFC not a full standalone? From my knowledge, if you purchase the PFC software, you can fully tune the PFC with a laptop.
> 
> And finally, someone told me that the MAFS signal is more “accurate” than MAP. Is there any truth to this comment.
> 
> Thanks Sasha!

MAF is more accurate, but MAP has a wider range. Especially GM 3-bar.

I’m sure Sasha will explain it in detail when he’s got a chance.

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