Need help with my G3-build

[suicideneil]

No where that I've looked has any flextek instock, havent for a long time by the looks of things due to the price- very expensive parts so only carry a very limited amount, ordered as needed pretty much.

Slipperential is nice, but it seems almost like the normal center diff does its job so well I wonder how much of a difference it would make really?

I wouldnt mind a CD myself, though that will require a complete redesign of my chassis rails, though given the GorillaMaxx stuff is more of less extinct too, that isnt such a bad thing really...