National's catalog has an automobile specific section. It includes the LM1949 Injector Drive Controller and the LM9044 Lambda Sensor Interface Amplifier (this is NOT the ubiquitous LM3914 Bar/Dot Display Driver). Nat'l Customer Response Group is at 1-800-272-9959 N also claims http://www.ncs.com as internet location. harmons at sequent.com (Harmon Sommer)