89 octane -- what's the point?

[xveganxcowboyx]

Originally Posted by Goat Blower

100 octane gas will make an old carbureted Chevy run better because you can advance the ignition timing without pinging. I wouldn't waste the gas though in something like that unless I was running domed 12:1 pistons or higher. Or if it had a set of T88's on it.

I asked him if he'd done anything to warrant the higher octane. He said no. "It just runs better, she likes it." Then he proceeded to talk about how my "japanese import" was a waste of time.