Umm how can you see a gain by going to a smaller turbo than what you have, unless your combo is REALLY mismatched....
As per the turbo comparison chart I downloaded a while back (forget where from tho)
TA-60: Comes with T04E Compressor Cover - 3" Inlet and 2" Outlet, large 60 trim comp wheel, T-31 76 trim turbine wheel, .63 A/R. For mid-low 11 second applications, 2800 minimum stall required.
TE-44: Comes with T04E Compressor Cover - 3" Inlet and 2" Outlet, small 60 trim comp wheel, T-31 76 trim turbine wheel, .63 A/R. For mid 11 second applications, 2700 minimum stall required
Doug C.