Fuel Pump

Check mechanical fuel pump at curb idle RPM with engine at normal operating temperature and transmission in "NEUTRAL".

FUEL PUMP SPECIFICATIONS

Application

Specification

Pressure

1975⁽¹⁾

⁽²⁾ 5-7 psi

1976-77

⁽³⁾ 5-7 psi

1978-79

⁽⁴⁾ 6-8 psi

Volume

1975-79

One pint in 20 seconds.

⁽¹⁾	Pinch closed pump-to-tank return line, if equipped.

⁽²⁾	Should be 4-6 psi, on Federal F100/U150 with 302".

⁽³⁾	On "E" models with 460", pressure should be 6-8 psi.

⁽⁴⁾	On "F" models with 460", pressure should be 5-7 psi.