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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
I checked my timing and it was set to 12 degrees. I filled up my tank w/ premium (93) then I advanced my timing to 14 degrees and it started pinging. WTF is wrong with that? I've seen plenty of ppl on here with more timing and no problems. ??