Originally Posted by JL95AccorD
I had never heard that. I know that the timing can cause pinging if you use a lower octane. He says that he gets pinging with a lower octane, not that he pings in winter but then it goes away in spring. How does the climate affect it?
when it's colder out the air is denser... so if you live way up in canada or suttin you might need 91.... i also think alt has something to do with it too....