Very good point about the taper, I meant in my reply that honing will remove the chrome & all the polish in the world will not bring the sleeve to its correct ID. I am sure someone with the correct tools & knowledge could do it, but to a person who is not fully dialed in engine manufacture should proably steer clear of anything to do with inside the liner. I modify liners, cranks etc but I wouldnt touch the inside of the liner as I dont have the correct tools or knowledge. also TG777 I have learnt a lot from reading your posts over the past 8 months or so, Keep it up