Rahal tops opening practice for Detroit GP

Pos	No	Name	FTime	Diff	Gap	FL	Laps	FSpeed	Engine
1	15	Graham Rahal	1:15.333	–.—-	–.—-	10	15	112.302	Honda
2	3	Helio Castroneves	1:15.489	0.1562	0.1562	11	12	112.069	Chevy
3	2	Josef Newgarden	1:15.538	0.2056	0.0494	7	13	111.996	Chevy
4	98	Alexander Rossi	1:15.722	0.3888	0.1832	8	13	111.725	Honda
5	12	Will Power	1:15.816	0.4831	0.0943	12	15	111.586	Chevy
6	27	Marco Andretti	1:15.916	0.5831	0.1000	12	17	111.439	Honda
7	9	Scott Dixon	1:15.954	0.6212	0.0381	10	12	111.383	Honda
8	10	Tony Kanaan	1:15.990	0.6572	0.0360	6	13	111.330	Honda
9	28	Ryan Hunter-Reay	1:16.013	0.6802	0.0230	8	15	111.297	Honda
10	5	James Hinchcliffe	1:16.035	0.7026	0.0224	9	14	111.264	Honda
11	1	Simon Pagenaud	1:16.178	0.8453	0.1427	7	13	111.056	Chevy
12	26	Takuma Sato	1:16.216	0.8837	0.0384	6	11	111.000	Honda
13	7	Mikhail Aleshin	1:16.386	1.0533	0.1696	11	16	110.753	Honda
14	21	JR Hildebrand	1:16.430	1.0974	0.0441	11	18	110.689	Chevy
15	83	Charlie Kimball	1:16.451	1.1179	0.0205	12	15	110.660	Honda
16	14	Carlos Munoz	1:16.610	1.2768	0.1589	17	17	110.430	Chevy
17	8	Max Chilton	1:16.779	1.4465	0.1697	19	19	110.186	Honda
18	4	Conor Daly	1:16.943	1.6104	0.1639	11	18	109.951	Chevy
19	20	Spencer Pigot	1:17.087	1.7538	0.1434	17	17	109.747	Chevy
20	16	Oriol Servia	1:17.973	2.6406	0.8868	13	15	108.499	Honda
21	18	Esteban Gutierrez	1:18.229	2.8961	0.2555	20	20	108.144	Honda
22	19	Ed Jones	1:18.960	3.6275	0.7314	18	18	107.142	Honda