Your not pinging, Pinging can only happen if you have forced induction.
I believe if you research the subject a bit more you will find that statement is incorrect.
Either run a higher octane fuel or change the tune as has been suggested.
'95 Ranger 5.0 GT40X Tri-y GT40 Intake S-Trim Snow Stage 2 Lowered Baer Racing Brakes Viper Spec Tremec w/Hurst shifter Custom Interior Dakota Digital Dash Corbeau Toplines OZ Racing AM/FM/Mp3/CD/DVD/TV.
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