Team
|
Chassis
|
Engine
|
#
|
Drivers
|
Rounds
|
United States Team Penske
|
Penske PC-12 (1-2) March (3-16)
|
Cosworth
|
1 (2)
|
United States Al Unser
|
All
|
6
|
United States Rick Mears
|
1-11
|
United States Johnny Rutherford
|
12-14
|
New Zealand Mike Thackwell
|
15-16
|
United States Newman/Haas Racing
|
Lola
|
Cosworth
|
3
|
United States Mario Andretti
|
All
|
United States Mayer Racing
|
March
|
Cosworth
|
4(1)
|
United States Tom Sneva
|
All
|
41
|
United States Howdy Holmes
|
All
|
United States Gilmore Racing
|
March
|
Cosworth
|
4
|
United States George Snider
|
3
|
14
|
United States A. J. Foyt
|
3, 6, 8, 10, 13-14, 16
|
84
|
United States Johnny Rutherford
|
3, 8, 10
|
United States Truesports
|
March
|
Cosworth
|
5
|
United States Bobby Rahal
|
All
|
United States Galles Racing
|
March
|
Cosworth
|
7
|
United States Al Unser Jr.
|
All
|
77
|
United States Tom Gloy
|
3, 6-7
|
United States Pancho Carter
|
8, 10, 16
|
United States VDS Racing
|
Penske
|
Cosworth
|
8(12)
|
United States John Paul Jr.
|
1-3
|
VDS
|
38
|
United States Chet Fillip
|
3, 8, 10-11, 13
|
United States Bignotti-Cotter Racing
|
March
|
Cosworth
|
9
|
Colombia Roberto Guerrero
|
All
|
United States American Dream Racing
|
March
|
Cosworth
|
10
|
United States Pancho Carter
|
3
|
69
|
United States Phil Caliva
|
1, 3
|
70
|
United States Roger Mears
|
1-2
|
United States Arciero Racing
|
Penske (1-4) March (5-15) Arciero (16)
|
Cosworth
|
11
|
United States Pete Halsmer
|
All except 7-9
|
United States Alsup Racing
|
Longhorn
|
Chevrolet
|
15
|
United States Bill Tempero
|
1
|
March (1-3) Argo (7-8, 10, 12)
|
Cosworth
|
27
|
United States Bill Alsup
|
1-3, 7-8, 10, 12
|
United States Provimi Veal Racing
|
March
|
Cosworth
|
16
|
United States Tony Bettenhausen Jr.
|
1-3, 8, 10
|
Netherlands Arie Luyendyk
|
9
|
Republic of Ireland Derek Daly
|
11-12
|
17(61)
|
1-10, 13
|
United States John Paul Jr.
|
14-16
|
United States Kraco Racing
|
March
|
Cosworth
|
18
|
Australia Geoff Brabham
|
All
|
99
|
United States Michael Andretti
|
All
|
United States Patrick Racing
|
March
|
Cosworth
|
20
|
United States Gordon Johncock
|
All except 15
|
March (3, 5-16) Wildcat (1-2, 4)
|
40
|
United States Chip Ganassi
|
1-8
|
United States John Paul Jr.
|
9
|
United States Pancho Carter
|
14
|
Italy Bruno Giacomelli
|
15
|
Brazil Emerson Fittipaldi
|
11-13, 16
|
United States Alex Morales Motorsports
|
March
|
Cosworth
|
21
|
United States Al Holbert
|
All
|
71
|
United States Rich Vogler
|
3
|
United States Dick Simon Racing
|
March
|
Cosworth
|
22
|
United States Dick Simon
|
All
|
23
|
United States Bill Puterbaugh
|
3
|
United States Mike Nish
|
14, 16
|
United States Leader Card Racing
|
March
|
Cosworth
|
24
|
United States Stan Fox
|
All except 1-2, 7, and 16
|
United States Gary Bettenhausen
|
7
|
United States Interscope Racing
|
March
|
Cosworth
|
25
|
United States Danny Ongais
|
All except 9 and 11
|
United States Menard Racing
|
March
|
Cosworth
|
28
|
United States Herm Johnson
|
3-4
|
United States Doug Shierson Racing
|
DSR-1 (1-2, 4) Lola (3, 5-16)
|
Cosworth
|
30
|
United States Danny Sullivan
|
All
|
DSR-1
|
80
|
United States Willy T. Ribbs
|
3
|
United States Hess Racing
|
Eagle (1-6, 8-11, 15)
March (7)
|
Cosworth
|
31 (51)
|
United States Dick Ferguson
|
1-11, 15
|
United States Forsythe Racing
|
March
|
Cosworth
|
33
|
Italy Teo Fabi
|
1-7
|
United States Kevin Cogan
|
8-10
|
Italy Corrado Fabi
|
11-12, 14, 16
|
United Kingdom Kenny Acheson
|
15
|
United States Wysard Racing
|
March
|
Cosworth
|
34
|
South Africa Desiré Wilson
|
1
|
United States Johnny Parsons
|
3
|
United States Randy Lewis
|
15-16
|
54
|
United States Price Cobb
|
3
|
United States Brayton Racing
|
March
|
Buick
|
35
|
United States Patrick Bedard
|
3
|
Buick (3-5, 9) Cosworth (6-8, 10-16)
|
37
|
United States Scott Brayton
|
3-16
|
United States Pace Racing
|
March
|
Cosworth
|
36
|
United States Chuck Ciprich
|
2-3
|
United States Gary Bettenhausen
|
13-14
|
United States Herm Johnson
|
11
|
Australia Dennis Firestone
|
8-9, 12, 15-16
|
New Zealand Graham McRae
|
6-7
|
United States Theodore Racing
|
Theodore
|
Cosworth
|
44(52)
|
Italy Bruno Giacomelli
|
1-3
|
49
|
Peru Jorge Koechlin
|
3
|
United States AMI Racing
|
March
|
Cosworth
|
44
|
United States Greg Leffler
|
3
|
United States Dale Coyne Racing
|
Eagle
|
Chevrolet
|
45
|
United States Jim McElreath
|
2
|
United States Tom Bigelow
|
4
|
United States Dale Coyne
|
5-9, 11, 14-15
|
United States GTS Racing
|
March
|
Cosworth
|
47
|
Brazil Emerson Fittipaldi
|
1-3
|
Spain José Romero
|
5
|
United Kingdom Kenny Acheson
|
6
|
86
|
United States Al Loquasto
|
3
|
United States Purcell Racing
|
March
|
Cosworth
|
50
|
Australia Dennis Firestone
|
3
|
United States Machinists Union Racing
|
Penske (1-2) March (3-16)
|
Cosworth
|
55
|
Mexico Josele Garza
|
All
|
Penske
|
76
|
United States Roger Mears
|
3
|
United States Gohr Racing
|
Eagle (1, 3) March (All others)
|
Chevrolet
|
56
|
United States Steve Chassey
|
All except 5, 12, and 14
|
United States Indy Auto Racing
|
March
|
Cosworth
|
57
|
United States Spike Gehlhausen
|
3, 7-8
|
United States Brad Murphey
|
11
|
United States Ellme Racing
|
March
|
Cosworth
|
58(85)
|
United States Phil Krueger
|
3, 8
|
United States Steve Hostetler
|
5-7, 11, 15-1
|
United States McCray Racing
|
Penske
|
Cosworth
|
59
|
United States Johnny Parsons
|
1-2
|
United States Jerry Karl
|
3, 10
|
United States Randy Lewis
|
6-7, 9
|
United States Peter Kuhn
|
11-13, 15
|
United States Renaissance Racing
|
Wildcat (3) March (13)
|
Cosworth
|
62
|
United States Jerry Karl
|
3, 13
|
United States Jet Engineering
|
March
|
Cosworth (10) Chevrolet (All except 10)
|
64
|
United States Ed Pimm
|
1-8
|
United States Bill Tempero
|
9
|
United States Herm Johnson
|
12
|
United States John Morton
|
10-11, 13-16
|
Eagle
|
Chevrolet
|
85
|
United States John Morton
|
1
|
United States Timberwood Racing
|
March
|
Cosworth
|
66
|
United States Jerry Sneva
|
3
|
United States Primus Racing
|
March
|
Cosworth
|
72
|
United States Chris Kneifel
|
1-7, 9
|
United States John Paul Jr.
|
8, 10
|
United States Baer Concrete
|
March
|
Cosworth
|
75
|
United States Tom Bigelow
|
3
|
Canada Canadian Tire Racing
|
March
|
Cosworth
|
76
|
Canada Jacques Villeneuve Sr.
|
1-2, 5-8, 12, 14-16
|
Canada Ludwig Heimrath Jr.
|
9
|
United States Ed Wachs Motor Sports
|
Theodore
|
Cosworth
|
78
|
United Kingdom Jim Crawford
|
1, 3, 6
|
United States Rattlesnake Racing
|
Rattlesnake
|
Cosworth
|
81
|
United States Larry Cannon
|
3
|
United States HR Racing
|
March
|
Cosworth
|
82
|
United States Gary Bettenhausen
|
3-5, 8-10
|
United Kingdom Jim Crawford
|
15
|
Brazil Emerson Fittipaldi
|
6-7
|
United States Steve Chassey
|
14
|
United States Center Line Racing
|
Eagle
|
Chevrolet
|
87
|
United States Steve Krisiloff
|
3
|
United States Ligier-Curb
|
Ligier
|
Cosworth
|
98
|
United States Kevin Cogan
|
1
|
United States Curb-All American Racers
|
Eagle
|
Pontiac (All other races) Chevrolet (8, 14)
|
88
|
United States Mike Chandler
|
1, 3
|
98
|
United States Kevin Cogan
|
3-7
|
United States Ed Pimm
|
9-16
|
United States Pete Halsmer
|
8
|
United States Mike Chandler
|
2
|