Have a 95 camaro with a th400 that I think is taking a dump on me, and just wanted to run it by you guys and see what you think about it.. Motor is going through the traps at 6800-6900, has 4.11 gears with a 28 inch tall tire. Car is running lower 11's on motor and is only trapping 112 to 114 mph MAX

I'm running a 10 inch 3800 stall PTC converter.. I checked the fluid and it is as clean as can be and at the correct level. It seems like the mph keeps getting lower and lower ever so slightly every time I head to the track.
Thanks