What Is 1977 Cam 2 Motor Oil 400

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Last updated: April 15, 2026

Quick Answer: The 1977 Cam 2 Motor Oil 400 was a NASCAR Winston Cup Series race held on July 17, 1977, at South Boston Speedway in Virginia. Cale Yarborough won the 400-lap race driving a Chevrolet for Junior Johnson, leading 197 laps and earning $7,675 in prize money.

Key Facts

The 1977 Cam 2 Motor Oil 400 took place on July 17, 1977, at South Boston Speedway.
Cale Yarborough won the race, driving a No. 11 Chevrolet for team owner Junior Johnson.
The race consisted of 400 laps, totaling 200 miles on the 0.5-mile short track.
Yarborough led 197 of the 400 laps and secured $7,675 in winnings.
This event was part of the NASCAR Winston Cup Series, the premier division at the time.

Overview

The 1977 Cam 2 Motor Oil 400 was a NASCAR Winston Cup Series event held during a pivotal era in stock car racing. Taking place on July 17, 1977, at South Boston Speedway in South Boston, Virginia, it attracted top drivers competing on a 0.5-mile paved oval. The race was one of 30 events in the 1977 NASCAR season, a year dominated by legends like Cale Yarborough and Richard Petty.

Sponsored by Cam 2 Motor Oil, the race highlighted the growing commercial interest in motorsports during the 1970s. It was officially named the Cam 2 Motor Oil 400 due to its 400-lap format, covering 200 miles. The event showcased intense short-track racing, drawing regional fans and national media attention.

Date and location: The race occurred on July 17, 1977, at South Boston Speedway, a short track in Virginia known for close-quarters racing.
Winner:Cale Yarborough claimed victory, driving the No. 11 Chevrolet, marking his fifth win of the 1977 season.
Team affiliation: Yarborough raced under Junior Johnson & Associates, one of NASCAR’s most successful teams in the 1970s.
Race length: The event spanned 400 laps around the 0.5-mile oval, totaling 200 miles of competitive racing.
Purse and prize: The total purse was $44,350, with Yarborough earning $7,675 for first place.

How It Works

NASCAR races like the 1977 Cam 2 Motor Oil 400 followed a standardized structure, combining speed, strategy, and mechanical reliability. Each race was scored based on laps completed, with the first driver to reach the predetermined number declared the winner.

Short-track racing: South Boston Speedway is a 0.5-mile asphalt oval, requiring tight handling and aggressive drafting, typical of NASCAR’s regional circuits.
Car specifications: Competitors used V8-powered stock cars built to NASCAR’s 1977 regulations, with engines producing over 450 horsepower.
Qualifying format: Drivers participated in time trials to determine starting positions, with pole position awarded to the fastest lap.
Pit strategy: Teams made critical decisions on tire changes and fuel, especially important in endurance races like the 400-lapper.
Scoring system: NASCAR awarded championship points based on finishing position, with additional points for laps led.
Penalties: Infractions such as illegal modifications or on-track violations resulted in time penalties or disqualification.

Comparison at a Glance

Below is a comparison of the top finishers in the 1977 Cam 2 Motor Oil 400:

Position	Driver	Car Make	Laps Led	Prize Money
1	Cale Yarborough	Chevrolet	197	$7,675
2	Richard Petty	Dodge	78	$4,500
3	Donnie Allison	Ford	45	$3,200
4	Benny Parsons	Chevrolet	32	$2,800
5	David Pearson	Oldsmobile	28	$2,500

The race highlighted the competitive balance among manufacturers, with Chevrolet, Dodge, Ford, and Oldsmobile all represented in the top five. Yarborough’s dominance—leading nearly half the race—underscored his 1977 championship campaign, which he ultimately won. South Boston’s tight turns and short straights made passing difficult, increasing the importance of early track position.

Why It Matters

The 1977 Cam 2 Motor Oil 400 holds historical significance in NASCAR’s evolution, reflecting the sport’s regional roots and growing national appeal. It occurred during a golden era when drivers like Yarborough and Petty became household names through televised races and consistent performances.

Historical context: The race occurred during 1977, a year when NASCAR expanded its reach through TV broadcasts and corporate sponsorships.
Manufacturer rivalry: The competition between Chevrolet, Ford, and Dodge highlighted ongoing brand battles in American auto culture.
Driver legacy: Cale Yarborough’s win contributed to his third consecutive Winston Cup title, a rare achievement.
Economic impact: The $44,350 purse reflected rising investment in motorsports from oil and automotive companies.
Track significance: South Boston Speedway remained a key short-track venue, fostering grassroots talent and regional fanbases.
Technological shift: The 1977 season saw early use of aerodynamic body styles and improved safety features.

Today, the Cam 2 Motor Oil 400 is remembered as a snapshot of NASCAR’s mid-1970s competitiveness and cultural footprint, bridging local racing traditions with the sport’s growing commercialization.