
Bill Hahn Jr., Doctor of Turbology
Boasting 30 years of turbocharging experience,
Bill Hahn Jr. has established himself as an innovator and
industry leader, with the most successful record of
turbocharged success in drag racing history.
Bill's racing and design experience began early.
Fascinated with engines as a child, at 14 years of age he
designed and built and rode his own twin-engine mini-drag
bike, emulating the full-size drag bikes of the era. Bill's
father is the equally legendary Bill Hahn Sr., whose company
American Turbo Pak revolutionized the motorcycle industry
with affordable four-cylinder turbosystems in the 1970's.
While Bill Jr. was brought up around these turbocharged
monster bikes, his interest was not limited to motorcycles.
His first performance car was a '68 Camaro with a 427 engine
and nitrous oxide. With one foot firmly planted in
turbocharged small engines, and the other in V8's, Bill's
engineering and racing career has been amazingly varied. To
date, he has designed dozens of turbocharged systems for
everything from V-twin motorcycles to V-10 Vipers, in cars,
motorcycles, boats, and even airplanes!



Bill Jr. began national event racing with a bang in 1985,
when his record-holding turbocharged
Kawasaki earned him the Rookie of the Year award. His first
National Championship would come in 1992, beginning an
unprecedented onslaught of innovative turbocharged racing
machines. From 1992 through 2002, the machines he designed
would take home 11 top 3 season finishes in Professional
drag racing, with no less than eight Pro National
Championships. What makes this historic run even more
impressive is that it was across five different Pro
categories, with both motorcycles and cars from five
different manufacturers, with every machine a Best
Engineered award winner for its creativity and innovation.
Bill Jr. would retire from Pro racing at the end of 2002,
a season in which his machines earned not only his fourth
National Championship in Pro Street Bike, but also a #2
finish in Pro Four-Cylinder cars. He then turned his full
attention and considerable experience to his company, Hahn
Racecraft, which was founded in 1988 to
provide
innovative performance technology to the public. Hahn
Racecraft has evolved from Bill Jr.'s home garage to its
current 12,000 square foot development and manufacturing
plant. With thousands of TurboSystems sold to date, Hahn
Racecraft has become a respected company known not only for
outstanding quality, but also for willingness to take on
unique applications and make them fly!
Currently, Bill Jr. can be found in his state-of-the-art
facility in Yorkville, IL, or at racing events
around the nation, assisting customers and racers of every
type, and teaching the ropes to his son, Adam.
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