Traction engine troubleshooting

Today I started troubleshooting a potential engine issue in my Traction Avant. When the engine is hot, it will sometimes smoke out of the valve cover and there is a single pulse of black exhaust like it is being caused by one cylinder.

My first test was to check the compression of the engine, quite easy on a traction engine as the spark plugs are easily accessible and there is a starter button in the engine compartment. A compression check is always a good check to run on an engine to understand its health.

I found that #1, #3 and […]