A reminder to run Top Tier fuel and avoid cheap gas

I don’t know about today, but years ago Chevron added more Techron to their premium gasoline vs the 87 octane.
 
Here it is mostly Shell and Philips 66, with a smattering of smaller ones.

The ones that are not on the list are Casey's and Sam's Club.
 
I had a mechanic tell me that higher octane fuels can burn holes in your pistons, plus a whole other myriad of problems.

They do great work for me, but this line of thinking is absurd. I've been running 91-93 through my vehicles for years with no problems.
 
Octane is literally just resistance to detonation. How in the world could it burn your pistons, and how would performance cars avoid that? :unsure:
 
I had a mechanic tell me that higher octane fuels can burn holes in your pistons, plus a whole other myriad of problems.
I think you may have understood that the wrong way round. LOWER octane fuels are subject to detonation (knock) and THAT can burn holes in pistons, etc.
 

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