What do you have your timing set at? Is it rather close to the edge to begin with?
I heard some pinging the past couple days... I checked oil level and not a
> single bit is being burned (thank goodness).. so then I suspected gas...
> been fueling at Citgo lately... turns out gas was the problem. 87 octane at
> Citgo is apparently bad, cheap gas... I went over to Phillips 66 and got $7
> in 87 octane... got onto a hill near my house & went WOT in 2nd gear.. ran
> her from about 2300RPM - 5500RPM and I heard absolutely no ping... this is
> after fueling at Phillips 66 & driving for about 5 miles to get the old gas
> out.. was nearly on empty. So... I will no longer fuel at any local Citgo
> gas stations.. even though they have the cheapest price (cheapest gas too).
>
> -Mike
>
>