The team was founded in 2016 by Peter Dempsey with the goal of specializing in race car preparation, engineering, and driver development within the USF Pro Championships.
The corpus does not provide specific technical details about the chassis or engine philosophy of the cars used by Turn 3 Motorsport.
Turn 3 Motorsport competed in its inaugural racing season in 2019, securing championship titles in the 1340cc, 1500cc, and overall categories of the Blue Marble Cocktails Radical Cup North America with drivers Eric Wagner and Antoine Comeau. In the same year, Turn 3 Motorsport won the 2019 NASA 25 Hours of Thunderhill endurance race, leading 638 of 672 laps. The #10 Eastern Radical SR3 RSX 1340, driven by Eric Wagner, Antoine Comeau, Neil Alberico, and Peter Dempsey, achieved victory, becoming the first car with an engine capacity under two liters to win the event in its 16-year history.
In its 2020 Indy Pro 2000 Championship debut, Turn 3 Motorsport won the season opener with driver Danial Frost. The team achieved a pole position, six podium finishes, and third overall in the championship that season.
The team expanded to a two-car operation in the Cooper Tires USF2000 Championship in 2021, while continuing their Indy Pro 2000 campaign. Turn 3 Motorsport won the season finale of their inaugural USF2000 season with Josh Green and secured fifth place overall in the championship. In the Indy Pro 2000 series, the team won the season finale with James Roe and secured a pole position at World Wide Technology Raceway, finishing seventh overall in the championship.
In 2022, Turn 3 Motorsport achieved podium finishes, a race win, and pole positions in seven out of nine races on the Road to Indy schedule. Drivers Josh Green, Jonathan Browne, and Christian Weir contributed to these results across the USF2000 and Indy Pro 2000 championships. Spike Kohlbecker also joined Turn 3 Motorsport with Ignite Autosport for the 2022 USF2000 Championship season.
In 2023, Turn 3 Motorsport tied for the most wins in the USF Pro 2000 season, with Michael d'Orlando and Christian Brooks securing five victories. The team earned seven pole positions, the most of any team, and four additional podium finishes, ultimately finishing second overall in the Team Championship. In June 2023, Turn 3 Motorsport raced at Road America with a four-car lineup featuring Louka St-Jean alongside regulars Michael d'Orlando, Jonathan Browne, and Jackson Lee. The team concluded the year with a win by Michael d’Orlando and a podium finish by Jonathan Browne in the USF Pro 2000 season finale at Portland.
In 2024, Turn 3 Motorsport clinched the USF Pro 2000 Championship with driver Lochie Hughes at the Portland International Raceway season finale. Hughes won the season-opening round in St. Petersburg, Florida, and achieved seven consecutive podium finishes, including a sweep of wins at the Road America tripleheader. The team secured a total of four pole positions, five wins, and six additional podium finishes, ending the season second in the Team Championship.
Turn 3 Motorsport continued its presence in the USF Pro 2000 Championship presented by Continental Tire during the 2025 season with drivers Alessandro de Tullio, Cooper Becklin, Nicholas Monteiro, Tyke Durst, and Brady Golan. The team earned multiple victories and podium finishes, highlighted by de Tullio scoring four race wins, including a victory at St. Petersburg, marking the team's fourth consecutive win at the season opener. De Tullio also achieved a pair of victories at NOLA Motorsports Park, a win in Toronto, and a podium finish in Portland. De Tullio finished fourth in the final championship standings.
The corpus does not mention any regulatory outcomes related to Turn 3 Motorsport or its chassis.
The corpus does not explicitly connect Turn 3 Motorsport's chassis to subsequent designs.