How to test engine compression in a 2.0l Ford?
How to test engine compression in a 2.0l Ford? Have your helper crank the engine till the needle on the compression gauge stops climbing. Now, record on paper the value at which the needle stopped and the number of the engine cylinder on a piece of paper. Release the pressure on the gauge and repeat this step one more time. Repeat this test step on the remaining 3 cylinders. Which is the lowest compression reading in an engine? So, let's say that cylinder #4 gave you the highest reading of 170 PSI. Well 170 X 0.15 gives you 26 (25.5...