Forsgrini Engineering is a former American racecar constructor based in Issaquah, Washington.
Lyle finished second in the SCCA National Championship Runoffs in the H Sports Racer class in 1966.
At the season finale of the 1968 SCCA Grand Prix Championship at Laguna Seca Lyle Forsgren finished in twelfth place.
[5] Lyle Forsgren suffered overheating issues and a fuel leak which prevented a finish at Riverside Speedway.
Campbell ran a Ford Boss 302 powered Forsgrini Mk.14 in the 1970 Tasman Series.
After building racecars Lyle moved to Oshkosh, Wisconsin to work for Mercury Marine.