Abingdon. Their first season was 1974, but no finishes were achieved that year. In 1975 the engines received larger carburettors and a revised camshaft. With these changes they completed their first event at the Mintex Rally in 7th place. This was followed by a 2nd place in the Avon Tour of Britain and a 3rd at the Lindisfarne Rally. At the Lombard RAC Rally the Dolomite Sprint won the 2-litre class and Group 1 outright and placed 16th overall. For 1976 focus had shifted to the TR7, originally with the Sprint engine but by 1978 all efforts were focused on the TR8. The private Broadspeed team headed by Ralph Broad did extensive development on the Sprint engine, bringing power up to a claimed . Sprint-powered Broadspeed cars won the Manufacturer's Championship in 1974 and took the driver's title in 1975. In 1976 the cars took 2nd in the 2-litre class, and won again in 1978. The Sprint engine also appeared in Formula Three, in Anson Cars and March Engineering chassis. The Sprint-powered March placed 8th in the 1976 season. In 1979 two March cars driven by Nigel Mansell and Brett Riley finished 5th and 8th in the F3 championship and each driver won one race in the Vandervell British F3 Championship. References Slant-4 Gasoline engines by model Slant-four engines Saab engines