Jeff Hartman
Jeff Hartman is the author of How to Tune and Modify Engine Management Systems, Fuel Injection: Installation, Performance, Tuning, Modification, and the Turbocharging Performance Handbook, all from Motorbooks. Hartman lives in Austin, Texas.
Jeff Hartman is the author of How to Tune and Modify Engine Management Systems, Fuel Injection: Installation, Performance, Tuning, Modification, and the Turbocharging Performance Handbook, all from Motorbooks. Hartman lives in Austin, Texas. See less
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