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Billy Briggs Racing Engines and MotorCity Speed


Specialists in Power and Performance

MotorCity Speed is a full service performance shop and state of the art testing facility that caters to all vehicles from vintage hot rods and engine transplants to daily driven cars, trucks, and SUVs.  The shop can handle engine, drive train and suspension and brake up-grades or enhancements, as well as full general service for the daily driver.


With the use of our engine and chassis dynamometer as well as full machining capabilities MotorCity Speed can take your vehicle from concept to reality. Starting with world class precision engine building to  engine dyno testing, installation and  final tuning and drivability, MotorCity Speed is truly a one stop shop when it comes to fulfilling your dream car build.


With a deep history of specializing in the GM powertrain and engine components that reaches back 20 plus years MotorCity Speed’s employees utilize this vast knowledge to assemble the best product possible. Whether it’s the Record setting engine builds of Billy Briggs Racing Engines or the combined knowledge of 30+ years of troubleshooting vehicle issues, it  assures the best service possible.  We treat projects as they are our own and put a personal touch in customer service that is rare to find these days.


From the common daily driver that wants a bit more power to the dragstrip warrior, MotorCity Speed can handle your performance needs.

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