Sign in

Engineer Design

Flushing, MI
April 19, 2020

Contact this candidate


Jeffery G. Shreve 810-***-****

Flushing, MI *****


Sr. Project Engineer General Motors Powertrain, Milford, Mi 9/15/89-3/18

Engine Calibration & Diagnostic Specialist, Engine Development & Validation Engineer

Calibration experience includes drivability, hardware and algorithm development and verification. Dynamometer development. Emission testing and development. Calibration and dynamometer processes/procedure creation and revision.

Diagnostic experience includes calibration, pass/fail verification, serial data reporting, federal and Euro emission compliance. In-use and robustness monitoring and reporting. Annual AECD reviews and certification documenting.

Development Program History

2013-2018 Spark/Dilution, Cam Phasing, knock detection & control calibration for all V8 performance car naturally aspirated and supercharged applications. Including OBD calibration, verification, federal & export diagnostic emission compliance. Also aftermarket high octane calibrations.

2010-2013 Spark/Dilution, Cam Phasing, knock detection & control calibration for V8 full size light duty truck/suv. Including OBD calibration, verification, and federal diagnostic emission compliance.

2006-2010 Spark/Dilution, Cam Phasing, knock control, and off idle catalyst diagnostic calibration for V8 full size strong hybrid truck. Including OBD calibration, verification, federal & export diagnostic emission compliance. Developed and implemented algorithm and cal changes for 2010 model year delivering +10% city and +15% hwy fuel economy improvements. First corporate application of off idle converter diagnostic. Calibration and software development for initial use of advancing cam phaser application.

2002-2006 Idle/Rpm control calibration for all full size light duty truck applications & V8 mid-size SUV.

Torque management for V8 medium duty truck.

1999-2002 Idle/Rpm control calibration for inline 4 & 5 cylinder light duty midsize truck/suv and inline 6 cylinder inline midsize suv.

1995-1999 Calibration Development & Validation Engineer, 60 deg V6 engines. Responsible for dynamometer and vehicle calibration. Also responsible for calibration/hardware design and development of "run without coolant" feature for several engine types and hardware design and calibration of exhaust A.I.R system. Validation responsibilities included engine and component validation including vehicle and dynamometer durability testing. Post test analysis, interfacing with design engineers, and component/system test planning and reporting.

1989-1994 Calibration Development Engineer and Lead Calibration Release Engineer – 90 Deg. V6 supercharged full size car. Responsible for dynamometer and vehicle calibration including hardware development, primarily EGR, spark advance, and open loop fueling requirements. Release of in-use, service, and initial model year launch calibrations.

Calibration/Development/Design Engineer 9/86 - 9/89

ECS/ROUSH, Livonia, MI

Calibration Release Engineer – V8 Mid Size Truck 1991

Calibration Release Engineer – 2.3L I4 2.3l Topaz Ford of Mexico application

Responsibilities in addition to complete calibration included hardware and dynamometer development from concept through initial production. Responsibilities included dynamometer development, component design, carburetor and electronic fuel injection calibration, prototype/vehicle testing, emission development and certification


DFSS Black Belt – 2015

DFMEA Leader 2009-2010 for new in house spark knock detection software

Created Dynamometer Engineers Work Group 2010-2018. Collaboration with dyno test engineers, dyno

test automation engineers, and analysis engineers for continuous improvement in test procedures, test methods, analysis generated initial calibrations, and quality of dyno data.

Mentoring/Training of less experienced dyno/vehicle calibration engineers.

Strong background of generating dynamometer calibration data for personal in vehicle use – both dyno

and vehicle calibrator on many programs

10+ years experience with INCA/ETAS calibration development system

5+ years experience with Control-Tec data acquisition for OBD and engine control calibration

verification and in-use OBD monitoring.


Bachelor of Science in Engineering Western Michigan University

Mechanical/Automotive Kalamazoo, Mi

Associate of Science Delta College

Pre Engineering Bay City, Mi


Kevin Ross President/Engineering Manager – Hala – Bay City, Mi 989-***-**** cell

Tom Pelton Lead Calibration Engineer – GM Powertrain 248-***-**** eve.

Scott Caradonna GM Litigation Advisor 248-***-**** eve.

Former V8 car Lead Calibrator – GM Powertrain

Hector Arvizu Sr. Project Engineer Aramco 248-***-**** eve.

Former V8 car torque calibrator – GM Powertrain

Contact this candidate