# 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\
**Showing post:** 78

<div class="post-metadata">

**Author:** ![duckJAI](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/duckjai/32/5553_2.png) [@duckJAI](https://forums.speedlife.net/u/duckJAI)\
**Post date:** [August 20, 2009, 7:21am UTC](https://forums.speedlife.net/t/cool-thing-i-found-out-about-sunoco-and-shell-gas/127163/78 "2009-08-20T07:21:31Z")

</div>

> [@Performance Car Builder in Rochester](https://forums.speedlife.net/t/performance-car-builder-in-rochester/23624/10):
>
> 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.

So how about turbo vehicles than that come from the factory? I’m sure you can’t use 85 gas in it?

Also, why do all tuners tune cars for either 91 or 94?

There must be a logical reason.

---

_[View the full topic](https://forums.speedlife.net/t/cool-thing-i-found-out-about-sunoco-and-shell-gas/127163)._
