A few years back I had a go at lith printing using Kentmere Kentona (I guess this would have been the 'old' variety) with Fotospeed lith developer. Everything went fine and I got some nice prints.
Recently I have tried lith printing with the same developer (new batch) with some 'old brown' on Kentmere FB warmtone. I have seen some good looking prints in a magazine that were obtained using the Kentmere paper and champion novalith. I use the Kentmere WT a lot for 'conventional' printing. It took almost an hour to get anything visible on the paper and I gave up after 1.5 hrs with a very pale looking print. The paper had 3 x the normal exposure time under the enlarger.
I wonder if anyone has any suggestions as I would like to use this paper for lith if possible.