Operation CHARM
: Car repair manuals for everyone.
Home
>>
GMC Truck
>>
1982
>>
G 2500 3/4 Ton Van V8-305 5.0L VIN H 4-bbl
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Tune-up and Engine Performance Checks
>>
Fuel Pressure
>>
Specifications
Fuel Pressure: Specifications
FUEL SYSTEM SPECIFICATIONS
Pressure
Light Duty
5.5 - 7.0 psi
Heavy Duty
7.5 - 9.0 psi
(with vapor return hose pinched off)
Volume
1 pint or more in 30 seconds
Vacuum
at least 15 in HG