I run a KOSO AFR on both of my sleds and they've worked really well for me so far. AFR's do take a bit of time to settle out as you ride though. They don't respond instantainously but they give you a really good idea of how completely you're burning your mixture (EGT's give you an idea if it's...
A group of buddies of mine are heading to Golden on Boxing Day... they're looking for someone to take them out (I'm working from the 24th to the 2nd) and show them the area. They're all pretty decent riders and good guys as well and they'd be more than happy to cover sledding fuel if anyone is...
I relocated my temp sensor, easy enough to do. You can buy the wiring extension from SLP or just splice the factory wires and solder in an extension. Try to make sure you use the same gauge wires if you solder them though, the sensor reads temp based on resistance so no butt connectors.
Try giving SuspensionWerx out of North Van a call. They did Evol upgrades to all of my Floats and they stock all of the Brandt calving and so on for the Fox shocks. They might even have some used ones for sale.
My local dealer runs Boost-It turbos in their Pro Climbs. Of all the turbo brands they picked the Boost-It set up for customer service and performance, awesome products!