1977 to 1985 Diesel Engine Idle Speed Digital Tachometer

Can also be used to test other gas and diesel engines. You must paint a bright mark on the front pulley to get an accurate reading.

Diesel idling too fast. Diesel idling too slow. Diesel shaking at idle. Transmission jerks with shifting from Park to Drive. These are some of the symptoms that might indicate your engine's idle speed is not adjusted correctly. With Kent's detailed video instructions, this digital tach, and the tools needed ( see below) you will be able to get the idle speed set right in no time. 

1977 to 1985 Diesel Engine Idle Speed Digital Tachometer
Free Add-Ons Included:

How to Adjust Older Diesel Engine Idle Speed - On Demand Video

Product Details

PLEASE NOTE: The digital tach is a very handy tool to have in your shop. It will work on any gas or diesel engine and even small engines like lawns movers, etc. The video instructions included free are specific for the idle speed adjustment on the 1977 to 1985 diesel injection pumps as shown - provided you have a 14mm crowsfoot and long extension. If you do not have this tool you can purchase it separately by following the link below in the related products. 

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