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About Zuffenhausen Motors

Zuffenhausen Motors is quite different from other independent Porsche shops, Porsche dealerships and general automotive repair facilities. From the immaculate cleanliness of our workshop, to our state-of-the-art equipment, to our staff, to our method of operation ... everything about Zuffenhausen Motors puts the best interests of our customers first.

We strive to please even the most particular and demanding Porsche owner.
 Important facts about Zuffenhausen Motors and our background:

  • The shop owner has been a professional Porsche mechanic for over 40 years. He has operated Zuffenhausen Motors in Scottsdale since 1985. He has a Master of Science degree in Mechanical Engineering, and 12 years of professional automotive and aerospace engineering experience. He is a lifetime member of the Society of Automotive Engineers.

  • Zuffenhausen Motors works exclusively on Porsche cars. Over the years, this narrow focus has enabled us to acquire specialized knowledge, superior expertise and extensive shop capabilities. These attributes translate into high quality and value for your Porsche repair expense.

  • Zuffenhausen Motors is an Authorized Bosch Module. We receive up-to-date training and technical support directly from Bosch. We are authorized to do warranty repairs on all in-vehicle Bosch systems.

  • Our staff is skillful, caring and conscientious. 

  • Zuffenhausen Motors is well-equipped, well-organized, exceptionally clean and efficient. We have sufficient space to keep customers' cars parked indoors at all times.

  • Zuffenhausen Motors  has earned an outstanding reputation in the Porsche repair business. There are three basic reasons we have successfully maintained this reputation over the years:
    1. Our work is clean, high-quality and dependable.
    2. We offer unselfish and truly personal customer service.
    3. We operate with unwavering honesty, openness and integrity.


KenRosegay.jpg Ken Rosegay

Professional History
Zuffenhausen Motors, Inc. (Scottsdale, AZ)
Founder/Co-Owner/President/Porsche Mechanic – 1985-present

Garrett Turbine Engine Company (Phoenix, AZ)
Engine Test and Development Laboratory
Laboratory Engineer – 1984-1992

Southwest Research Institute (San Antonio, TX)
Department of Engine & Vehicle Research
Research Engineer – 1982-1984

Kirberg Motors (San Francisco, CA)
Porsche Mechanic – 1969-1979
Racing Mechanic, SCCA C-Production 911
B-Sports Racing 910 BergSpyder – 1971-1979

Society of Automotive Engineers

Master Thesis: Combustion Modeling
SAE Technical Papers 831299 and 831362

Technical Training
Courtesy of Porsche, Bosch, Denso, Snap-On, Hunter Engineering and Thermal Dynamics

M.S., Mechanical Engineering, Texas A&M University – 1982
B.A., Biochemistry, University of California, Berkeley – 1975

GreaseMonkey.jpg "Grease Monkey"

We don't allow Grease Monkey to do any work. We don't tolerate monkey business in our shop.