THE FOUR WAY SLIDE We often times trust our senses. I trust my sense of touch in what I call, The Four Way Slide. The bounce test works, but this concentricity test tells you more. I slide the valve against the seat to the back, right, left, and back towards me. If...
![THE FOUR WAY SLIDE](https://enginepro.com/wp-content/uploads/2024/01/202402-4-way-slide.jpeg)