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Home >> GMC >> 1987 >> Forward Control 7.4 W, Automatic, 475/M40 >> Repair and Diagnosis >> Engine Performance >> Adjustment >> Tune-Up - 6-CYL >> Specifications >> Fuel Pump
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Fuel Pump

All models use mechanical fuel pumps.

FUEL PUMP SPECIFICATIONS

Pressure: psi (kg/cm2 ) Volume: Pints (Liters)
4-6.5 (.3-.5) .5 in 15 sec. (.2 in 15 sec.)
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