As with a lot of the members of the drag racing world, Don got his first experience as a driver in the seat of Gary Densford’s C/Dragster at Lions Drag Strip in Long Beach, CA. In January 1962 he went to work for Stu Hilborn’s Fuel Injection Engineering as a machinist and where he worked with Hall of Famer Gene Adams.

At Hilborn, Don was exposed to a steady stream of racers and after a few trips to the local drag strip, he decided he wanted to get serious about driving a dragster on a regular basis. He approached Gene about doing so; after a lot of discussion and planning, in 1968 he made his first run in Gene’s injected DeSoto powered Junior Fuel dragster. After that experience, Don was hooked and became one of the sports outstanding drivers of all time. That year, Don became the first driver of an unblown dragster to break the 200-mph barrier and in 1971 the first to dip into the six-second ET’s.

In 1970 the pair posted wins in A/Fuel Dragster class at the NHRA Winter Nationals in Pomona, CA, and the NHRA Super Nationals in Ontario, CA. In 1971 they won the NHRA Winter Nationals Comp Eliminators. Along the way, they terrorized the entire class locally posting a steady stream of winner circle appearances.

While Don is mostly known for his Junior Fuel (A/Fuel) dragster driving chores, in 1970 he piloted the Adams and Enriquez fuel dragster with twin injected Chryslers for power to speeds of over 217 MPH and ET’s in the 6.70 range. In 1972 he drove the Adams and Wiencek injected Chrysler powered BB/Fuel Funny Car for the win at Firebird Raceway’s famous Nitefire 500. In 1973 the Adams and Enriquez team won the NHRA Super Nationals Pro Comp Eliminator in Ontario, CA. With thirty-three years as a team under their belt, Adams and Enriquez are one of the longest-running teams in the sport.

In 1975 the team entered the season with a supercharged Chrysler powered rear-engine dragster burning alcohol in Pro Comp class and won the NHRA Winter Nationals in Pomona, CA, the famous March Meet in Bakersfield, CA, and the NHRA Super Nationals in Ontario, CA. Over the years Don has also driven a BB/Fuel Funny for the Millicoat twins, and their blown alcohol roadster.

After the demise of the Adams and Enriquez team in 1988, Don became very involved in the emerging nostalgia cars and in 1987 took on the driving chores for Pat Ganahl and Gene Adams in their A/Fuel Dragster. In 1996 Don moved into the driver’s seat of Bob McKray’s injected Chevrolet powered Junior Fuel dragster and has won the NHRA Heritage Junior Fuel Series Championship a total of four times: 2012, 2013, 2014, and 2017. Don took home the runner up for the spot in 2016.

In 2006, Don was named an Honoree at the NHRA California Hot Rod Reunion in Bakersfield, CA. He is also still part of the Hilborn Fuel Injection team and is still doing the driving chores in Bob McKray’s Junior Fueler.