In
1960, Joe Jill established Speedwin Engineering in New York.
It was one of the most complete machine shop and dynamometer
facilities on the east coast.In 1990 the family relocated to
California and opened Superior Automotive. This state-of-the-art
facility quickly earned a reputation as an expert diagnostic
and repair facility. Superior Automotive's 1,200 horsepower
chassis dynamometer assists in quickly solving performance and
mileage problems and analyzing ignition and fuel curves for
peak performance. In an age when mass production has replaced
attention to detail, Superior Automotive has held onto its ideals
of high quality workmanship and personalized attention to every
job.