Gunson Digimeter 320 Manual Pdf Apr 2026

So download the PDF. Print it out. Laminate the calibration page. And keep that Digimeter running for another 40 years.

Start the engine. The manual instructs you to read the scale marked "DWELL" (0-60 degrees). For a 4-cylinder, spec is usually 60° ± 3°. Gunson Digimeter 320 Manual Pdf

The needle reads 35°. The PDF’s troubleshooting guide tells you: "Low dwell angle = points gap too wide. High dwell = points gap too tight." You adjust the points, re-check, and the misfire vanishes. So download the PDF

Save the PDF to your phone’s local storage. The one time you need the RPM multiplier, you won’t have cell service in your buddy’s barn. And keep that Digimeter running for another 40 years

The original manual is laid out in dense British technical prose. In PDF form, you can hit Ctrl+F and type "dwell" or "no spark" to jump instantly to the diagnostic flowchart.