me and my wife have four camaros 1980 as a 383ci runs 12.56 at 109.50 but as run 12.25 at 113. a 1979 with a 355ci runs 12.71 at 108. her 1979 with a 355ci runs 13.06 at 106, 1979 with 360ci runs 12.98 at 106. big difference beten all of to run different time and et.