MAST TRACK POSITION ON ISONIC 101

[van]

HI KEVIN CONGRATULATIONS ON 2ND PLACE - A JOB WELL DONE

I HAVE AN ISONIC 101 AND ALTHOUGH I HAD SOME PROBLEMS WITH IT AT FIRST NOW I LOVE IT. I'M 71 KG AND MAINLY USE IT ON A NP 6.7 RS SLALOM WITH A 36 GOLDWING FIN AND NP 6.2 RS SLALOM WITH A 34 GOLDWIN FIN. I SAIL WITH THE BACK STRAPS IN THE MIDDLE AND THE FRONT STRAPS ALL THE WAY BACK. BOOM HEIGHT AT MOUTH/CHIN LVL. I PLACE THE MAST TRACK AT 132CM FROM THE BACK. WHAT DO U THINK? ANY TIPS FOR ME.