California 500
Ontario Motor Speedway
2.5 Mile Paved Oval
200 Laps/500 Miles
September 2, 1973

Finish Start Driver Car # Sponsor/Name Chassis Engine Laps Status

Points
1 5 Wally Dallenbach 40 STP Oil Treatment Eagle Offy TC 200 3:10:16.97 157.660 1,000
2 15 Mario Andretti 11 Viceroy Parnelli Offy TC 200 Finished 800
3 10 Mike Mosley 98 Lodestar Eagle Offy TC 200 Flagged 700
4 7 Roger McCluskey 3 Hopkins Buick McLaren Offy TC 199 Flagged 600
5 23 John Martin 89 Unsponsored McLaren Offy TC 196 Flagged 500
6 13 Sam Posey 34 Norris Industries Eagle Offy TC 195 Flagged
7 24 Bobby Unser 8 Olsonite Eagle Offy TC 195 Flagged 300
8 22 Bentley Warren 16 US Air Force Eagle Offy TC 194 Flagged 250
9 9 Al Unser 4 Viceroy Parnelli Offy TC 191 Broken gearbox 200
10 26 A. J. Foyt 14 Gilmore Racing Coyote Foyt TC 191 Flagged 150
11 28 Tom Bigelow 27 Norton - Bryant Heating Vollstedt Offy TC 189 Flagged 100
12 11 Steve Krisiloff 24 The Pig Rig King Offy TC 184 Flagged 50
13 8 Lee Kunzman 55 Cobre Firestone Eagle Offy TC 145 Flagged
14 18 George Snider 84 Gilmore Racing Coyote Foyt TC 144 Engine
15 20 Jimmy Caruthers 21 Cobre Firestone Eagle Offy TC 119 Engine
16 25 Mel Kenyon 19 Atlanta Falcons Eagle Offy TC 90 Wrecked
17 33 Tom Sneva 10 Lodestar Eagle Offy TC 90 Cracked block
18 27 Jerry Karl 30 Oriente Express Eagle Chevy 84 Broken valve spring
19 6 Gary Bettenhausen 5 Sunoco DX McLaren Offy TC 79 Engine
20 21 Jim McElreath 35 Norris Industries Eagle Offy TC 77 Broken connecting rod
21 12 Joe Leonard 1 Samsonite Parnelli Offy TC 60 Broken piston
22 14 Dick Simon 44 TraveLodge Eagle Foyt TC 53 Engine failure
23 1 Peter Revson 15 Gulf McLaren Offy TC 43 Engine failure
24 16 Billy Vukovich, Jr. 2 Sugaripe Prune Eagle Offy TC 41 Lost brakes
25 31 Johnny Parsons 97 Lodestar Eagle Offy TC 40 Rear end
26 30 John Mahler 74 Carling Eagle Offy TC 33 Wrecked
27 19 Mike Hiss 6 Thermo King Air Conditioning Eagle Offy TC 28 Debris damage
28 29 Lloyd Ruby 18 Commander Motor Homes Eagle Offy TC 24 Wrecked
29 17 Mark Donohue 66 Sunoco DX McLaren Offy TC 22 Broken crankshaft
30 32 John Cannon 76 Webster Racing Eagle Offy TC 14 Fire
31 4 Johnny Rutherford 7 Gulf McLaren Offy TC 13 Wrecked
32 3 Gordon Johncock 20 STP Double Oil Filter Eagle Offy TC 2 Engine
33 2 Jerry Grant 48 Olsonite Eagle Offy TC 1 Wrecked
-- -- David Hobbs 73 Carling Eagle Offy TC -- DNS, too slow
-- -- Bill Simpson 99 Hunt Magneto Eagle Offy TC -- DNS, too slow
-- -- Sam Sessions 9 MVS Eagle Foyt TC -- Did not qualify
-- -- Tom Sneva 17 Norton Spirit Vollstedt Offy TC -- Drove #10 instead
-- -- Jim Hurtubise 56 Miller High Life McLaren Offy TC -- Did not qualify
-- -- Graham McRae 60 STP Gas Treatment Eagle Ford -- Did not qualify
-- -- Lee Brayton 61 Diamond Reo Eagle Foyt TC -- Wrecked practice
-- -- Al Loquasto 86 Martin Guitar McLaren Offy TC -- Did not qualify

Lap Leaders Total Laps
Bobby Unser 62 33-45, 67, 84-91, 93-116, 122-137
Wally Dallenbach 49 68-69, 80-83, 92, 138-160, 172-178, 189-200
Mario Andretti 28 31-32, 54-64, 161-167, 179-186
Mike Mosley 22 17, 19-27, 48-53, 70-75
Peter Revson 15 1-15
Gary Bettenhausen 7 28-29, 65-66, 76-78
Al Unser 7 117-121, 187-188
A. J. Foyt 5 47, 168-171
Lee Kunzman 1 16
Bentley Warren 1 18
John Mahler 1 30
Dick Simon 1 46
Roger McCluskey 1 79