RE: -OFFICIAL CASTER RACING K8T TRUGGY THREAD-
I'd use the Go...I'm sure a lot of people here will probably recommend the same. Picco's are generally too punchy for tracks on this side of the pond. Smooth tractable power engines are better and faster on tracks than punchy ones. Course we have supercross style tracks in the US, no idea what you Brits race on. Tell the Queen I said 'Hello'.