2008 Renegade X with VFJ primary, 27" Bighorns, ride almost 100% trails in Colorado Mtns.
Looking to order an STM secondary and am having trouble choosing the proper helix. Anyone have a similar setup with a good working helix choice and amount of shims.

And if anyone is wondering, the VFJ completely transformed my 800, pulls my brothers 1000 and buddies 1000 Scrambler by a length or two off the start then they SLOWLY begin catching up.

Any help is appreciated, thanks.