1978 NASCAR Winston West Series

The 1978 NASCAR Winston West Series was the 25th season of the series. The title was won by Jimmy Insolo, his first in the series.

Schedule and results

The 1978 season included 22 individual races, although Riverside International Raceway, Shasta Speedway, and Yakima Speedway hosted two races each. The races at Riverside were in combination with the NASCAR Winston Cup Series.

Date	Name	Racetrack	Location	Winner
January 22	Winston Western 500	Riverside International Raceway	Riverside, California	Cale Yarborough
April 2	Winston Roseville 100	All American Speedway	Roseville, California	Jimmy Insolo
April 28	Winston Stockton 100	Stockton 99 Speedway	Stockton, California	Tim Williamson
April 30	Old Milwaukee 100	Shasta Speedway	Anderson, California	Jimmy Insolo
May 13	Winston Petaluma 100	Petaluma Speedway	Petaluma, California	Ray Elder
May 28	Winston Mesa Marin 100	Mesa Marin Raceway	Bakersfield, California	Jimmy Insolo
June 11	NAPA 400	Riverside International Raceway	Riverside, California	Benny Parsons
June 22	Winston Spokane 100	Interstate Fairgrounds Speedway	Spokane, Washington	Gary Johnson
June 24	Winston Yakima 100	Yakima Speedway	Yakima, Washington	Jimmy Insolo
June 28	Winston Victoria 100	Western Speedway	Victoria, British Columbia	Jimmy Insolo
June 30	Winston Langley 100	Langley Speedway	Langley, British Columbia	Ron Eaton
July 3	Winston Evergreen 100	Evergreen Speedway	Monroe, Washington	John Borneman
July 4	Coca Cola 100	Portland Speedway	Portland, Oregon	Bill Schmitt
August 5	Winston Las Vegas 100	Craig Road Speedway	North Las Vegas, Nevada	Ray Elder
August 6	Winston Gardena 100	Ascot Park	Gardena, California	John Krebs
August 13	Winston Sears Point 100	Sears Point International Raceway	Sonoma, California	Jimmy Insolo
August 26	Winston Shasta 150	Shasta Speedway	Anderson, California	Jimmy Insolo
August 27	Winston Coos Bay 100	Coos Bay Speedway	Coos Bay, Oregon	Jack Jeffrey
September 2	Yakima Winston 100	Yakima Speedway	Yakima, Washington	Jimmy Insolo
September 23	Midland Motor Home 100	Orange Show Speedway	San Bernardino, California	Jimmy Insolo
November 19	Los Angeles Times 500	Ontario Motor Speedway	Ontario, California	Bobby Allison
November 26	Arizona NAPA 250	Phoenix International Raceway	Avondale, Arizona	Richard Petty