i have purchased a 1958 wayne air compressor,[376v].it is an 80 gal unit,preasure is 145 to 175 200 max.i havent been able to reach 145 yet, which tells me the pump is getting weak. i have the preasure set at 100 to 130 now,which seems to work at this time.but my main problem is the motor.i broke the spring that regulates the start up ampage.the motor is a leland electric c.o. motor.where might find one.also what are these compressors worth.thank you. mike drake.