When Jaguar replaced the 3.8-liter engine with a 4.2-liter unit, the Jaguar E-Type gained torque, drivability, and refinement without altering its iconic silhouette. The evolution was mechanical, not visual. Technical Details: The 1964 Jaguar E-Type 4.2 Series 1 was powered by a 4.2-liter dual overhead camshaft (DOHC) inline six-cylinder engine, replacing the earlier 3.8-liter unit. […]