The standard 5.3 litres V8, whether in carburettor form or as with the |Series 5 V8, fuel injection, starts as a highly flexible engine with abundant torque from as low as 1000 rpm. It is also a highly refined engine. Improvement to the inherent reliability of this engine needs, therefore to be in the areas of ignition and cooling predominantly. Improvement in general refinement is based on ensuring that the balance of the engine is optimal and this is best ensured during an engine rebuild.

The following upgrades apply equally to Vantage and standard engines:

• Ignition System upgrade
• Cooling System upgrade (Coolant & oil)