Willys - Cylinder block bored and honed, and valve seats prepared for unleaded petrol.
Ford 250 2V - Cylinder head reconditioned to run on unleaded fuel.
57 190c Mercedes Benz cylinder head
Lycoming 0-320 Barrel and Piston - Before and after cleaning
Lycoming 0-320 Barrel - Once the above barrel was cleaned, a crack was detected protruding from either side of a spark plug hole.