New Cosworth pistons and 'H' section con rods are fitted
Block is line bored and new 3.8 litre liners fitted
A new billeted and balanced crankshaft and bearings were fitted.
The standard head was discarded and lead free twin GT plug head was obtained with modified ports hand finished to obtain required flow characteristics.
New Weber carbs fitted with air box and grills.
Almost 340 bhp and over 300 ftlb of torque is on tap from a standard 3.8 litre engine - a tribute to the black art of engine tuning carried out by Aston Engineering.