I won a race on a 5 year old tire.
I think the responses are a bit OTT, but I did ask for your opinions so thanks anyway...I must admit I actually have first hand experience of using old tyres (blue or otherwise), and have never had a problem, but I wanted to see the level of responses and you guys didn't disappoint
Obviously, you would not be trying to push for a lap time, unless you were experienced to understand the feedback of a worn tyre like say dricked, but neither would it be as bad as sticking your dick in a blender (unless you like that kind of thing).
Anyway...I take onboard what you lot are saying but I may just go new front...Old rear.
Like I said, just setting the bike up (geometry), so will be going around, not trying to blaze a trail.
evallarta thanks for the advice about the compliancy of the rubber, I can use that.
Thanks anyway guys