track gearing

Hello all,

So I was wondering what gearing would you use on a medium size track, not alot of room to open any real top end and a fair amounr of jumps. Clay track outdoors, and I'm running a Mamba max 5700 on PSC 6 cell sport pack. Any help would be appreciated! I am currently geared at 18/86

Sorry if this isnt the right place for this just move it if need be.