# Cool thing I found out about Sunoco and Shell Gas

**URL:** <https://forums.speedlife.net/t/cool-thing-i-found-out-about-sunoco-and-shell-gas/127163>\
**Category:** SON240sx Automotive\
**Created:** [August 13, 2009, 6:16am UTC](https://forums.speedlife.net/t/cool-thing-i-found-out-about-sunoco-and-shell-gas/127163 "2009-08-13T06:16:08Z")\
**Posts on this page:** 1\
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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:** [August 20, 2009, 7:17am UTC](https://forums.speedlife.net/t/cool-thing-i-found-out-about-sunoco-and-shell-gas/127163/74 "2009-08-20T07:17:17Z")

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> [@Performance Car Builder in Rochester](https://forums.speedlife.net/t/performance-car-builder-in-rochester/23624/9):
>
> ^I wonder what the results would be if you just ran regular 94 sunoco with no additives.
> 
> Do some vehicles really require 94 gas for knock resistance? I thought the higher end cars and turbo vehicles just require premium gas (91).
> 
> It wouldn’t make sense if it was required to fuel up on 94, or every fueling station here in Canada would have 94 no?

I don’t know of any production cars that require it. It’s mainly a gimmick to have something else no one else has.

There are cars that are tuned for it though and will detonate with anything lower.

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