1990 malibu skier -need help weighting it

1990 malibu skier im using a fly high fat seat 1500pounds ..cant get a good peak ,the wake is rounded ...Is weight needed in the bow?
my buddie has the same system on his gekko and his wake is awesome..

put a sack in the bow u'll get a good wake malibus don't throw a very vert wake but with a sack in the bow u'll probally like it