800028 & 800025 Grove 12 July 2018

Clearly still running on their underfloor diesel engines, 800028 & 800025 pass Grove on 12 July 2018 with the 1L51 10:56 Cardiff Central to Paddington GWR service. If this was an HST, there would be 32 cylinders powering this train. However, now we have 72!