From The Third Turn, an online resource for all news and results stock car racing.

USAC National Sprint:1966-11 USAC National Sprint Car Series.jpg
Held on July 10, 1966 at Winchester Speedway in Winchester, IN
30 L, 15 M, 24.15 KM - Scheduled Distance

RESULTS
Fin St # Driver Sponsor Make Laps Led Status Pts
1 Roger McCluskey 30 running
2 Al Smith
3 Don Branson
4 Bobby Unser
5 Bud Tingelstad
6 Sammy Sessions
7 Ronnie Duman
8 Ron Lux
9 Dave Lundy
10 Arnie Knepper
11 Dee Jones
12 Norm Brown
13 Greg Weld
14 Bob Pratt
RACE DATA
Failed to Qualify:
Time of Race: ???
Fast Qualifier: Roger McCluskey
Heat Winners: Roger McCluskeyDee JonesAl Smith
Dash Winners: [[Special:FormEdit/Driver/{{{DashWinners}}}|{{{DashWinners}}}]]
Consi Winners: Bobby Unser
Non-Qualifiers Race Winners: [[Special:FormEdit/Driver/{{{NonQualWinners}}}|{{{NonQualWinners}}}]]
Margin of Victory:
Average Speed: ??? mph
Cautions: ?? for ?? laps - not available
Lead Changes: ?? among ?? drivers - not available