Chris Williams' Packard-Bentley, "Mavis", powered by a 42 litre Packard V12 aero engine, developing 1500 bhp. Mavis is based on a 1930 Bentley 8-litre chassis.
Thunderbolt, is an 850bhp, 27 litre, V12 Rolls Royce powered car based on the Bentley Speed Six chassis. It holds 10 UK National speed records at Millbrook Proving Grounds, set in 2003.
