BL R-series engine fitted to the Maestro with the carburettor facing the front of the car, which also led to a reputation for carburettor icing in cold weather. The endemic problem of crankshaft failure was later attributed to flexing of the crankcase – because the E series relied upon the heavy sump/transmission unit to give additional strength to the cylinder block casting, this caused problems when a plain sump was bolted in its place. The R series was superseded in 1984 by the S series. BL R-series engine The R series is a line of petrol engines introduced by British Leyland in 1983
Austin Maxi production of the Triumph Acclaim, which was launched in September 1981. Despite its practical design and remarkable space efficiency (it is shorter, narrower and lower than the sixth generation Ford Fiesta), the Maxi never came close to reaching its projected sales targets. BL management decisions involving the Maxi had significant knock-on effects to the rest of the car line-up. BL marketing decreed that the Maxi should be the only car in the range to feature a hatchback. This stance prevented the Morris Marina, Austin Allegro and Princess models gaining hatchbacks despite those designs all being capable of receiving them. The