new converter
hey guys i been runing a street/strip 3000-3500 ptc converter in my car and in the heat it would run 10.83 to 10.90 at 124 -125 mph. so i got a new 8" 5500 ptc converter and ran the car today made three passes 11.00 second pass 10.99 and 11.00 and my mph fell off 121 first and second pass and 123 on last pass. do it take time for the converter break in or do i need to call ptc. what to do.