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- Drive Adapter Accessory for Sun Motor Tester, 1945-1955 - 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.
- 1945-1955
- Collections - Artifact
Drive Adapter Accessory for Sun Motor Tester, 1945-1955
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.
- Magneto Testing Cap for Sun Motor Tester, 1945-1955 - 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.
- 1945-1955
- Collections - Artifact
Magneto Testing Cap for Sun Motor Tester, 1945-1955
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.
- Magneto Testing Cap for Sun Motor Tester, 1945-1955 - 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.
- 1945-1955
- Collections - Artifact
Magneto Testing Cap for Sun Motor Tester, 1945-1955
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.
- Resistor for Sun Motor Tester, 1945-1955 - 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.
- 1945-1955
- Collections - Artifact
Resistor for Sun Motor Tester, 1945-1955
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.
- Resistor for Sun Motor Tester, 1945-1955 - 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.
- 1945-1955
- Collections - Artifact
Resistor for Sun Motor Tester, 1945-1955
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.
- Western Electric Relay Test Set, Model TS836, 1955 -
- 1955
- Collections - Artifact
Western Electric Relay Test Set, Model TS836, 1955
- SF-300 Flow Bench, circa 1980 - Flow benches typically were used to test airflow through cylinder heads. Bobby Unser altered this unit for a different purpose. He used it to test scale models of various undercar "ground effects" used to improve a race car's aerodynamic performance. Other teams had to rely on more expensive full-scale testing of actual cars, or wind tunnel testing of scale models.
- circa 1980
- Collections - Artifact
SF-300 Flow Bench, circa 1980
Flow benches typically were used to test airflow through cylinder heads. Bobby Unser altered this unit for a different purpose. He used it to test scale models of various undercar "ground effects" used to improve a race car's aerodynamic performance. Other teams had to rely on more expensive full-scale testing of actual cars, or wind tunnel testing of scale models.
- Sun Motor Tester, 1945-1955 - 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.
- 1945-1955
- Collections - Artifact
Sun Motor Tester, 1945-1955
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.
- Magneto Testing Cap for Sun Motor Tester, 1945-1955 - 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.
- 1945-1955
- Collections - Artifact
Magneto Testing Cap for Sun Motor Tester, 1945-1955
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.
- Output Adapter Accessory for Sun Motor Tester, 1945-1955 - 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.
- 1945-1955
- Collections - Artifact
Output Adapter Accessory for Sun Motor Tester, 1945-1955
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.