# Engine/power screwed up

**URL:** <https://forums.speedlife.net/t/engine-power-screwed-up/126776>\
**Category:** SON240sx Automotive\
**Created:** [July 31, 2009, 1:33pm UTC](https://forums.speedlife.net/t/engine-power-screwed-up/126776 "2009-07-31T13:33:37Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![ronnie416](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/ronnie416/32/5480_2.png) [@ronnie416](https://forums.speedlife.net/u/ronnie416)\
**Post date:** [July 31, 2009, 2:10pm UTC](https://forums.speedlife.net/t/engine-power-screwed-up/126776/7 "2009-07-31T14:10:00Z")

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> [@FF or Cheap: Cleaning Garage - Now w/56k Warning!](https://forums.speedlife.net/t/ff-or-cheap-cleaning-garage-now-w-56k-warning/23327/26):
>
> rotor / cap? try another maf ?
> 
> The owners manual recommends 91 … , i ran 94 with advanced timing.

Doesn’t the owners manual recommend 91 RON, whcih is different from 91 MON.

his timing is not advanced. It’s pointless to throw money away on a stock motor.

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