I HAVE 1978 17FT baylinder 470/170HP MERCUISER.WHAT IS THE RIGHT PROP FOR THIS BOAT.I BOUGHT THE BOAT USED.THE BOAT RUNS AT A TOP SPEED OF 35MP.IS THIS ABOUT RIGHT.IT SEEMS SLOW.I NEED TO BUY A NEW PROP.WHEN I BOUGHT IT. THE GUY SAID HE PUT A PROP ON IT. IM THINK IT MITE BE THE WRONG SIZE .ANY WAY ,I BENT IT UP.AND NEED A NEW ONE.
