Adapter Accessory for Sun Motor Tester, 1945-1955

Summary

A motor tester combined several different engine diagnostic instruments into a single unit. It was used to identify problems with ignition and electrical systems, vacuum pressure, engine speed (crankshaft revolutions per minute), and emissions. Racing driver Bobby Unser used this Sun motor tester and its accessories at the Unser garage in Albuquerque, New Mexico, early in his career.

A motor tester combined several different engine diagnostic instruments into a single unit. It was used to identify problems with ignition and electrical systems, vacuum pressure, engine speed (crankshaft revolutions per minute), and emissions. Racing driver Bobby Unser used this Sun motor tester and its accessories at the Unser garage in Albuquerque, New Mexico, early in his career.

Artifact

Adapter (Device)

Date Made

1945-1955

Collection Title

Bobby Unser Collection 

Location

Not on exhibit to the public.

Object ID

2009.171.112

Credit

From the Collections of The Henry Ford. Gift of Bobby and Lisa Unser.

Material

Metal
Plastic
Rubber (Material)

Technique

Casting (Process)

Color

Black (Color)
Gray (Color)

Dimensions

Height: 4.125 in

Diameter: 1 in

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