I must tell some one the importance of their cylinder liner protrusion at least once a week. As crucial of a specification to pay attention to, it is quite often the most forgotten. It is quite possibly one of the easiest to measure using a bridge micrometer or a dial indicator.
So what exactly is the purpose of liner protrusion?
Liner protrusion is the distance the cylinder liner sticks above the deck surface of the block. The main purpose of cylinder liner or sleeve protrusion is to give you the proper amount of “crush” on your cylinder head gasket. This ensures that once torqued, your cylinder head crushes the gasket evenly and to the correct specification.
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