1956 Austin Healey 100/4 BN2The Austin Healey 100 remains one of the most charismatic British sports cars of the 1950s, and the BN2, built between 19551956 only, is widely regarded as the ultimate expression of the original Big Healey. With its uprated four speed gearbox with overdrive, improved rear axle and refined suspension, the BN2 combined the raw, purposeful stance of the early cars with a far more sophisticated driving experience. Under the bonnet, the 2. 6 litre four