Test Results

AllData Editors Note - Ford does not provide a cranking pressure specification, only an acceptable range.

Compression Test-Test Results
The indicated compression pressures are considered within specification if the lowest reading cylinder is within 75 percent of the highest reading. Refer to the Compression Pressure Limit Chart.








Compression Pressure Limit Chart

If one or more cylinders reads low, squirt approximately one tablespoon of engine oil on top of the pistons in the low-reading cylinders. Repeat the compression pressure check on these cylinders.