The Mark VI chassis came with mounting points for several different engines including the 1172cc (71.5ci) Ford 10, the 1250 cc or 1500 cc MG TF, the 1500cc (92ci) Consul, and the exalted Coventry Climax.
The Rover PG1 transmission is used in many Rover and MGs including the Rover Metro, Rover 200, 400, 600, 25, 45, MG ZR, ZS, F and TF.