sentences:  Daimler was sold to Jaguar, and Edward Turner's V-8 was put into a Jaguar Mark 2 body with an upgraded interior and trademark Daimler grille, and called the Daimler 2½ litre V8.In 1962, the last year of the "pre-unit" models, Triumph used a frame with twin front downtubes, but returned to a traditional Triumph single front downtube for the unit construction models that followed.From 1963 all Triumph engines were of unit construction.