GM s 6 2L and 6 5L Diesels DrivingLine
2019 10 25 nbsp 0183 32 DB2 From 82 to 93 the Stanadyne DB2 distributor style injection pump was employed on the 6 2L and 6 5L This fully mechanical pump was known for its simplicity and reliability Its major drawback was the lack of fueling potential 6 700 psi peak injection pressure vs today s 30 000 psi common rail pumps