9400hp in one picture, although some of it is going in the opposite direction! 37142 pilots 50015 Valiant & 50008 Thunderer through Totnes on 23 November 1991 with the Pathfinder Tours 1Z37 00:30 Manchester Piccadilly to Newquay 'Valiant Thunderer' (what else!) railtour. The 37 was attached at Newton Abbot and worked through to Plymouth, as 50015 had a defective speedometer. They are seen here passing the 09:25 Penzance to Edinburgh 'Cornishman'.