K 3500 Truck 4WD V8-393 6.5L DSL Turbo (1993)
Positive Crankcase Ventilation: Specifications
Manometer Specification:
One inch (1") water pressure at idle to approximately 3-4 inches water vacuum at full load.
Add the amount that the manometer column travels up, to amount column travels down to obtain total PSI/Vacuum.
Example:
One-half inch above zero plus one-half inch below zero equals one inch vacuum reading. (1/2" + 1/2" = 1").
