15 Nov 2026
The voice of the independent garage sector

Saver on engine repairs

/>The shims fit between the engine block and the cylinder head to give engines a fresh lease of life after a blown head gasket. Where the cylinder head is warped or damaged for example, machining may leave thicknesses outside the manufacturer’s original recommended toleran

/>According to Gosnay, these shims help restore valve train geometry, valve-to-piston clearance, compression ratio and cam timi