Quote:
Originally Posted by Canehda
I think what OP is implying is that if the salesman didn't even know it took premium then chances are as a used car its seen more than one fill up with regular fuel... Even then its hard to say whether the previous owner did the same, I doubt the engine would be too happy about being fed 87 its whole life...
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So by your reasoning, all used FRS/BRZ would have a chance of the previous owner(s) putting in regular gas? And that it's bad?
Yes.
Whole life? Yeah right.
And if a used car took more than one fill up's worth of gas while sitting on a used car lot, then there's bigger issues than just "bad gas".
My point is, regular 87 octane is not the evil entity people make it out to be. The ECU will adjust timing to compensate for the extra knock. No harm done unless you attempted to set a new lap record at the Nurburgring with 87 octane during your test drive.
-alex