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Home >> GMC Truck >> 1987 >> V 2500 P/U 4WD V8-305 5.0L >> Repair and Diagnosis >> Powertrain Management >> Fuel Delivery and Air Induction >> Idle Speed >> Specifications

Idle Speed: Specifications

Base Idles Speed
Manual Transmission 700 rpm
Automatic Transmission 550 rpm

Fast Idle Speed
Manual Transmission 1700 rpm (on high cam)
Automatic Transmission 1800 rpm (on high cam)
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