Having fun with variator tuning :(

Been having an "interesting" time setting up my stage6 sport pro variator on a zip.

With the standard unit running 4g rollers, when pulling away the revs initilly "spike" at 10500rpm and takes off very well, then at 30mph ish the rear pulley does its thing and lugs the engine back down to 10k or so where it actully pulls harder until I run out of variator, (which doesnt take long ) This is wonderful.

Fitted a stage6 sport pro variator and am pleased in that it has offered a longer gear ratio as such, it allows another 3mph on the top end on my bike. However I noticed thaat it has seemingly reversed the apparent operation of the rear pulley. Currently running 6g rollers and a stage6 soft rear pulley spring. What happens is I pull away at 9800ish rpm however throughout the varitor operation the revs slowly drift upward till I am at 10500rpm at around 30mph, this is a little past peak power on my engine so I am losing acceleration where I need it the most.

Wondering if a standard spring in the rear pulley will help return the characteristics of the standard variator and stops the revs creeping upward as I accelerate while keeping the taller gearing advantage of the stage6 unit........................ However, wwith the original spring I feel that there may be a tiny hint of belt slip on pulling away as with a stuiffer one and the rollers altered to compensate for the rpm difference it feels a little more wheelietastic.......

It all seems to be slight tradeoffs at the moment

suggestions anyone?