Re: Valve recession can measure valve recession with valve projection with bathometer .you must measure the valve height from exhaust.
Regular Contributor

Re: Valve recession

YouTube "Caterpillar G3520 Valve Recession" gives a dirty explanation of it. If you have a SIS login you can goto CAT Channel 1 for another video from CAT. SIS should also give a definition.

New member

Valve recession

Dear guys,

i want to Know the definition ofvalve seat recession , its impact on the engine and how i can measure it on 3520 Gas generator