fuel stabilizer

[Fazafou]

Yep, you missed something, the OP asked about stabilizers and Activ8 was suggested, albeit incorrectly as that is not what it is designed for.
Then you randomly made a comment about my petrol going off, not sure where that came from, 'cos I never mentioned it?  :rolleyes

Actually you said Activ8 was just oil, not used for the oil, so the inference was it was still a fuel stabiliser due to the thread title. But we could be pedantic all day long so I'll leave it there

In short, what the above link is saying is that chemicals are always trying to find their most stable form. For fuel we don't want that as it needs to be relatively unstable for it to work the way it does.

The 'stabiliser' helps slow this effect, but will ultimately not stop it long term, but can also help reduce gums and varnishes forming. This isn't such an issue if you put Super in though as it contains the extra additives anyway