I don't think I overtightened it, I had read on here about it being a tapered-thread. Of course the proof will be when I try to remove it when/if it fails
I must admit Myles, I have looked at your site and wondered whether I could tackle some of the projects you have written about. Apollo, verniers and a better exhaust system are on the list. But a bit more money required in the bank first.
Oh and a steering wheel to replace the over-worn (ex)suede Alpha that lives on the car at the moment, and I do wonder if the white faced stack rev counter really fits in with the look of the car
But apart from that, right now I will settle for a temp gauge that works - tomorrow will tell