Intake Valve Pitting at Cindy Catoe blog

Intake Valve Pitting. They're a 1.425 valve, and the valve+port+exhaust stub flow 175cfm at 0.500 lift. 3 of the 6 intakes have small pits in them, the other 3 (as well as all 6 of the exhausts) are nice and smooth. After everything was cleaned up, i noticed quite a bit of pitting on two valves. You want to examine both the valves, and the valve seats in the cylinder head. The pitting is wide spread but does not yet intrude on the sealing surfaces. Any serious damage will need a. These are my new intake valves after 2000 miles. A friend told me that would be usual on this. The intake valves look absolutely fine, spotless. Have found all intake valves on my yamaha supercharged engine to be full of little holes. And that is exactly why you do. What i found was the valve seats were in really nice shape (131k miles) and the intake valves were in nice shape, but the exhaust valves were heavily pitted. If you grind the valves to get rid of the pitting and are. These crystalls beat up the valves and seats, it can be harsh on the intake seats during overlap. Is pitting on the back side of some of my intake valves an issue?

A friend told me that would be usual on this. Have found all intake valves on my yamaha supercharged engine to be full of little holes. Any serious damage will need a. And that is exactly why you do. What i found was the valve seats were in really nice shape (131k miles) and the intake valves were in nice shape, but the exhaust valves were heavily pitted. If you grind the valves to get rid of the pitting and are. You want to examine both the valves, and the valve seats in the cylinder head. After everything was cleaned up, i noticed quite a bit of pitting on two valves. The pitting is wide spread but does not yet intrude on the sealing surfaces. 3 of the 6 intakes have small pits in them, the other 3 (as well as all 6 of the exhausts) are nice and smooth.

piston pitting NNews

Intake Valve Pitting Any serious damage will need a. What i found was the valve seats were in really nice shape (131k miles) and the intake valves were in nice shape, but the exhaust valves were heavily pitted. These crystalls beat up the valves and seats, it can be harsh on the intake seats during overlap. 3 of the 6 intakes have small pits in them, the other 3 (as well as all 6 of the exhausts) are nice and smooth. The pitting is wide spread but does not yet intrude on the sealing surfaces. A friend told me that would be usual on this. These are my new intake valves after 2000 miles. Have found all intake valves on my yamaha supercharged engine to be full of little holes. The intake valves look absolutely fine, spotless. After everything was cleaned up, i noticed quite a bit of pitting on two valves. Any serious damage will need a. If you grind the valves to get rid of the pitting and are. My immediate thought was these need to be tossed. They're a 1.425 valve, and the valve+port+exhaust stub flow 175cfm at 0.500 lift. And that is exactly why you do. Is pitting on the back side of some of my intake valves an issue?