After a quick progression to the 250cc class, he moved onto mini-stock cars, where he raced against his brother, and eventually late-model stocks.

He followed that up with two more top-tens in 1996 and a thirteenth-place finish in points, running a single truck he built himself titled the War Wagon under his own team, Chek Racing.

On March 16, 1997, Nemechek was running a Truck Series race at Homestead-Miami Speedway when with 14 laps to go, he lost control and struck the first-turn wall, driver's side first, and hit his head on the wall, suffering head injuries.

[citation needed] Following the incident, Homestead was reconfigured into a true oval with a six-degree banking to reduce the possibility of the type of crash that killed Nemechek.

Italics – Pole position earned by points standings or practice time.