Champion Spark Plug Tester, 1940-1949

01

Artifact Overview

Spark plugs ignite the air-fuel mixture in an internal combustion engine's cylinders. High voltage jumps across a gap between two electrodes on the plug's bottom and creates a spark. Racing driver Bobby Unser used this spark plug tester at the Unser garage in Albuquerque, New Mexico.

Artifact Details

Artifact

Measuring device (Instrument)

Date Made

1940-1949

Place of Creation

Collection Title

Location

Not on exhibit to the public.

Object ID

2009.171.22

Credit

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

Material

Metal
Glass (Material)
Plastic
Rubber (Material)

Color

Black (Color)
Gray (Color)
Red
White (Color)

Dimensions

Height: 11.5 in
Width: 18.5 in
Length: 14 in

Inscriptions

On front: CHAMPION/ SPARK PLUG/ SERVICE On dial: SPARK PLUG COMPARATOR On lever: ABRASIVE/ BLAST On top: 115 VOLTS 50-60 CYCLES A.C.
Champion Spark Plug Tester, 1940-1949