Maybe downsize the motor and impeller if you are not ready to replace the pump?
Hayward 1/2 HP MAXRATE MOTOR - SPX1600Z1M - INYOPools.com
1/2 HP MAXRATE MOTOR - Pool & Spa Parts
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Hayward 3/4 HP Max Rate Pool Pump Motor, Gold - SPX1605Z1M - INYOPools.com
3/4 HP MAXRATE MOTOR - Pool & Spa Parts
www.inyopools.com