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1971 Bobby Ball 150

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USAC Champ Car Series race number 12 of 12
Saturday, October 23, 1971 at Phoenix International Raceway, Avondale, AZ
150 laps on a 1.000 mile paved track (150.000 miles)

Time of race: 1:21:18
Average speed: 110.333 mph
Pole speed: 134.932 mph

Cautions: n/a
Margin of victory: n/a
Attendance: n/a
Lead changes: 5

Glossary 1971 USAC Champ Car Series results / 1971 standings

Pos	St	#	Driver	Sponsor / Owner	Chass./Eng.	Laps	Money	Status	Led	Pts
1	3	9	A.J. Foyt	ITT / Thompson (A.J. Foyt)	Coyote / Ford	150	9958	running	107	300
2	15	6	Roger McCluskey	Sprite (Lindsey Hopkins)	Kuzma / Offy	150	6047	running	6	240
3	18	32	Billy Vukovich, Jr.	Sugaripe Prune (Jerry O'Connell)	Brabham / Offy	149	4252	running	3	210
4	9	5	Mario Andretti	STP Oil Treatment (Andy Granatelli)	McNamara / Ford	149	3062	running	8	180
5	10	16	Gary Bettenhausen	Thermo King (Don Gerhardt)	Gerhardt / Offy	149	2670	running	0	150
6	12	3	Jim McElreath	Patrick Petroleum (Walt Michner)	Eagle / Offy	148	2376	running	0	120
7	19	10	Dick Simon	TraveLodge Sleeper (Dick Simon)	Lola / Ford	148	2082	running	0	90
8	1	2	Bobby Unser	Olsonite (Oscar Olson)	Eagle / Offy	148	2135	running	26	75
9	16	8	Art Pollard	Gilmore Racing	Scorpion / Ford	148	1961	running	0	60
10	11	15	Joe Leonard	Samsonite (Vel Miletich)	Colt / Ford	148	1788	running	0	45
11	22	7	Wally Dallenbach	Vollstedt Enterprises (Rolla Vollstedt)	Vollstedt / Ford	119	1714	running	0	30
12	14	28	Bill Simpson	Wynn's Kwik Kool (Bill Simpson)	Eagle / Offy	95	1641	oil leak	0	15
13	23	11	Sammy Sessions	King O'Lawn (J.C. Agajanian)	Lola / Offy	93	1567	fuel hose	0
14	20	31	Greg Weld	Federal Engineering (Federal Automotive Associates)	Gerhardt / Offy	69	1494	turbocharger	0
15	6	40	George Snider	STP Keep-Kool Treatment (Andy Granatelli)	King / Offy	65	1420	ignition	0
16	2	66	Mark Donohue	Sunoco (Roger Penske)	McLaren / Offy	48	1347	engine	0
17	21	95	Carl Williams	City of Terre Haute (Tassi Vatis)	Eagle / Offy	42	1273	engine	0
18	24	70	George Eaton	Check Oil Treatment (George Fejer / Rudy Fejer)	Lola / Ford	40	1200	valve	0
19	5	4	Mike Mosley	G.C. Murphy (Ralph Wilke)	Watson / Offy	33	1200	valve	0
20	13	20	Steve Krisiloff	STP Gas Treatment (Andy Granatelli)	King / Offy	28	1200	rear end	0
21	8	1	Al Unser	Johnny Lightning 500 (Vel Miletich)	Colt / Offy	15	1950	crash	0
22	4	18	Johnny Rutherford	Patrick Petroleum (Walt Michner)	Brabham / Offy	15	1200	crash	0
23	7	42	Swede Savage	Olsonite (Oscar Olson)	Eagle / Offy	10	1200	cam gear	0
24	17	12	Lloyd Ruby	Utah Stars (Gene White)	Mongoose / Ford	4	1200	oil line	0

Pos	Name	Nbr	Sponsor	Owner
Failed to qualify, withdrew, or driver changes:
	Gordon Johncock	7	Vollstedt Enterprises
	Dennis Zimmerman	17
	Cale Yarborough	21	Gene White Firestone
	Wally Dallenbach	22
	Mel Kenyon	23	Sprite
	Duke Cook	30
	Eldon Rasmussen	35	Federal Engineering
	Bruce Walkup	37	Caves Buick
	Don Brown	39,89
	Jimmy Caruthers	46	Thermo-King
	John Cannon	61
	Max Dudley	61	Dudley Boat & Trailer
	John Martin	72	King O'Lawn
	Karl Busson	73
	?	76		Marvin Webster
	Tom Sneva	79
	?	80		Ralph Wilke
	Keith Rachwitz	81
	Arnie Knepper	90
	Bob Harkey	99	Joe Hunt Magneto
	?	111		Ed Marshall
	Crockey Peterson	150

Leader	From Lap	To Lap	# Of Laps
Lap leader breakdown:
Bobby Unser	1	26	26
A.J. Foyt	27	90	64
Roger McCluskey	91	96	6
Billy Vukovich, Jr.	97	99	3
Mario Andretti	100	107	8
A.J. Foyt	108	150	43