I am thinking of having the Moss box on my Ace 2.6 (RSX5006) rebuilt by JB Sports Engineering with an all-synchromesh conversion, as the company has done on a number of Jags and Morgans. The ratios are different (closer, which would be nice between second and third) and having a synchro first will be non-original, but I am tempted. Does anyone have experience of one of these conversions, and if so, can I have a drive please! Alternatively, suggestions about who could do the job would be appreciated. Anyone taking it on must have the engineering facilities to make new shafts and gears as necessary, not just dress the old ones and fit new bearings and seals.