Quote:
Originally Posted by cmitchell17
So TSP is saying "falling out", I guess that means literally falling out of the seat. I don't think mine have fallen out of the seat? I think #7 failed and the others are starting to fail from being burned. Now I guess the burning could be from bad machining, valve float/bounce and having constant combustion hot gases escape, or something else.
|
Intake valves usually do not burn. They always have cool air/fuel running past them. It's the exhaust valves that burn.