I finally got my hands on the new AMS-2000 Nitrous Controller from NLR this month, got it all wired up and we made our first passes with it last weekend at the Throwdown in T-Town in the MX275 class, and I was very impressed with it. We were using the NLR-1000 Controller before, which I liked but really wanted something I could work with on the laptop vs the little screen.
Last year during tear down when I was inspecting the pistons, I noticed a bit of piston rock had been going on. Not terrible, but just enough to scuff up the top of the piston near the top ring – more than I’d like. The piston skirts didn’t get knocked in, no excessive cylinder clearance – just big piston and a short skirt I guess.