Emission Control Systems: Specifications

EGR VALVE
Vacuum To Open Valve 0.7 - 0.8 in. Hg

Thermostatic Air Cleaner (TAC)
Open To Warm Air 68° F (20 ° C)
Open To Cold Air 86° F (30 ° C)

Thermo-Vacuum Valve (EGR)
Valve Open Below 81° F (27° C)
Valve Closed Above 120° F (49° C)

Vacuum Amplifier (EGR)
VACUUM AT IDLE
With Tee In Red Vacuum Line 0.3 in. Hg.

AMPLIFIED VACUUM AT IDLE
With Tee In Blue Vacuum Line 1.5 - 3.5 in. Hg.