I HAVE A 1980 GLASTRON SS167 WT.APPROX 2000,MY MOTOR IS A 1983 MERCURY 70HP IT HAS BEEN TUNED UP<br />AND RUNS VERY GOOD COMPR.EXC.MY PROBLEM IS WHEN I ACCEL.THE MOTOR EITHER DIES OR TAKES WHILE TO SPEED UP.IS THIS MOTOR NOT ENOUGH FOR THIS WT BOAT OR CAN I CHANGE THE PROP TO GET BETTER...