I have 2 hot rods that have 1 wire alternators on them. on both cars when the car is started up the belt to the alt will slip and squeal no matter how much I tighten the belts One is 100 amp and the belt will stop squealing after about 60 seconds it doesn't do it if the battery is at 100 present charge only when it is at a point that it starts to charge is when it squeals . the other is a 150 amp alt and it squeals all the time and I can't get it to stop. I can live with the 100 amp but the 150 amp seems to be very hard to turn when hooked up and charging ' I can take the 8 gauge wire off the back of the alt and it doesn't slip at all . the belt is new and I have it so tight I am afraid it will eat up the alt bearings and it still slips. Ok now for the QUESTION .... anyone having this problem with the 150 amp or the 100 amp 1 wire alternators ???