Thanks for the info.
Car does not currently ping, but I've never run it on just 93 octane. Didn't even think to try. I'm not sure what my octane is in the tank. I just go into the store, buy a bunch of octane stuff and pour it in. My friend who works on it, in exchange for defying the grim reaper between my town and his, comes and biopsies my wallet and puts 10+ gals of race gas in it at a time. I call whatever is in there "gas gumbo". If high price = high octane, than I'm running a solid fuel booster. Problem is, the place where he gets it is other side of the county, and I live not too far from the airport. Anybody got a problem with aviation gas? He says, "don't do it"......? As far as all the technical stuff, I opened a pandora's box, because, unfortunately, I wouldn't know a cam shaft from a colonoscopy. I wish I did, though.
