The shaft guides the plug portion by sliding through a valve guide.
2.
There were also problems with exhaust valves and valve guides on the engine.
3.
This prevents oil burning and valve guide failure in the future.
4.
This prevented oil burning and valve guide failure.
5.
Oil needs to make its way down the valve guides or past the rings to lubricate things.
6.
The P�trel had four overhead valves per cylinder, two exhaust and two inlet, in bronze valve guides.
7.
In most types of reciprocating engines, a "'valve guide "'is provided for each poppet valve in the cylinder head.
8.
Over time, the inner diameter of the "'valve guide "'and the outer diameter of the valve stem may become worn.
9.
A valve guide is a cylindrical piece of metal, pressed or integrally cast into the cylinder head, with the valve reciprocating inside it.
10.
In the 1980s, many U . S . production engine remanufacturers began reaming "'valve guides "', rather than replacing them, as part of their remanufacturing process.
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