Laguna Seca IMSA: Mazda leads but Cadillacs are closer

David Malsher

Jarvis lapped the scenic 2.258-mile course in Monterey, CA, in 1min16.442sec, beating the Acura Team Penske ARX-05 of Juan Pablo Montoya by 0.153sec.

However, a similar gap behind the Acura was Filipe Albuquerque in the #5 Action Express Racing Cadillac, followed by the similar cars of Renger van der Zande (Wayne Taylor Racing), Pipo Derani (AXR), Tristan Vautier (JDC-Miller Motorsports) – all within half a second of the top time.

IMSA’s recent BoP changes have come after five races in which the Cadillacs haven’t looked a true match for the Mazdas and Acuras.

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Helio Castroneves’ best effort in the second Acura left him around 0.4sec off teammate Montoya, but ahead of Colin Braun’s CORE autosport-run Nissan DPi, Simon Trummer (JDC-Miller Cadillac) and Jonathan Bomarito, who dropped a wheel off the track in the second Mazda and needed some minor repairs.

Richard Westbrook put the Ford GT on top in GT Le Mans, heading Tommy Milner’s Corvette C7.R by 0.3sec, with Jesse Krohn’s BMW M8 GTE a further tenth in arrears.

Jan Magnussen was fourth in the second Corvette ahead of Tom Blomqvist’s best in the second M8.

The big story was the two Porsche 911 RSRs, the GTLM class’s dominant cars this year, were over 1.5sec behind Westbrook’s best effort.

GT Daytona was led by Bryan Sellers in the Paul Miller Racing Lamborghini Huracan GT3, but by mere hundredths ahead of Toni Vilander in the Scuderia Corsa Ferrari 488 GT3.

Jeroen Bleekemolen wheeled the Riley Motorsports Mercedes-AMG GT3 to third spot ahead of Bill Auberlen’s Turner Motorsport BMW M6 GT3 and Andy Lally in the Magnus Racing Lamborghini.

Second practice begins at 3.15pm local (Pacific) time.

Session results:

1

77

United Kingdom
United Kingdom

Oliver Jarvis
Tristan Nunez

United States
United States

DPi

Mazda DPi

1'16.442

2

6

United States
United States

Dane Cameron
Juan Pablo Montoya

Colombia
Colombia

DPi

Acura DPi

1'16.595

0.153

3

5

Portugal
Portugal

Joao Barbosa
Filipe Albuquerque

Portugal
Portugal

DPi

Cadillac DPi

1'16.746

0.304

4

10

Netherlands
Netherlands

Renger van der Zande
Jordan Taylor

United States
United States

DPi

Cadillac DPi

1'16.807

0.365

5

31

Brazil
Brazil

Felipe Nasr
Pipo Derani

Brazil
Brazil

DPi

Cadillac DPi

1'16.890

0.448

6

85

Canada
Canada

Mikhail Goikhberg
Tristan Vautier

France
France

DPi

Cadillac DPi

1'16.908

0.466

7

7

United States
United States

Ricky Taylor
Helio Castroneves

Brazil
Brazil

DPi

Acura DPi

1'17.000

0.558

8

54

United States
United States

Jon Bennett
Colin Braun

United States
United States

DPi

Nissan DPi

1'17.222

0.780

9

84

Switzerland
Switzerland

Simon Trummer
Stephen Simpson

South Africa
South Africa

DPi

Cadillac DPi

1'17.534

1.092

10

55

United States
United States

Jonathan Bomarito
Harry Tincknell

United Kingdom
United Kingdom

DPi

Mazda DPi

1'17.762

1.320

11

52

United States
United States

Matt McMurry
Dalton Kellett

Canada
Canada

LMP2

ORECA LMP2

1'19.073

2.631

12

38

Canada
Canada

Cameron Cassels
Kyle Masson

United States
United States

LMP2

ORECA LMP2

1'19.266

2.824

13

67

Australia
Australia

Ryan Briscoe
Richard Westbrook

United Kingdom
United Kingdom

GTLM

Ford GT

1'22.548

6.106

14

4

United Kingdom
United Kingdom

Oliver Gavin
Tommy Milner

United States
United States

GTLM

Corvette C7.R

1'22.842

6.400

15

24

Finland
Finland

Jesse Krohn
John Edwards

United States
United States

GTLM

BMW M8 GTE

1'22.949

6.507

16

3

Denmark
Denmark

Jan Magnussen
Antonio Garcia

Spain
Spain

GTLM

Corvette C7.R

1'23.309

6.867

17

25

United States
United States

Connor de Phillippi
Tom Blomqvist

United Kingdom
United Kingdom

GTLM

BMW M8 GTE

1'23.324

6.882

18

66

United States
United States

Joey Hand
Dirk Muller

Germany
Germany

GTLM

Ford GT

1'23.773

7.331

19

911

France
France

Patrick Pilet
Nick Tandy

United Kingdom
United Kingdom

GTLM

Porsche 911 RSR

1'24.361

7.919

20

912

New Zealand
New Zealand

Earl Bamber
Laurens Vanthoor

Belgium
Belgium

GTLM

Porsche 911 RSR

1'24.583

8.141

21

48

United States
United States

Bryan Sellers
Corey Lewis

United States
United States

GTD

Lamborghini Huracan GT3

1'25.248

8.806

22

63

United States
United States

Cooper MacNeil
Toni Vilander

Finland
Finland

GTD

Ferrari 488 GT3

1'25.271

8.829

23

33

United States
United States

Ben Keating
Jeroen Bleekemolen

Netherlands
Netherlands

GTD

Mercedes-AMG GT3

1'25.721

9.279

24

96

United States
United States

Bill Auberlen
Robby Foley

United States
United States

GTD

BMW M6 GT3

1'25.738

9.296

25

44

United States
United States

John Potter
Andy Lally

United States
United States

GTD

Lamborghini Huracan GT3

1'25.894

9.452

26

76

United States
United States

Paul Holton
Matt Plumb

United States
United States

GTD

McLaren 720S GT3

1'26.178

9.736

27

73

United States
United States

Patrick Lindsey
Patrick Long

United States
United States

GTD

Porsche 911 GT3 R

1'26.205

9.763

28

14

United States
United States

Richard Heistand
Jack Hawksworth

United Kingdom
United Kingdom

GTD

Lexus RC F GT3

1'26.308

9.866

29

12

United States
United States

Frankie Montecalvo
Townsend Bell

United States
United States

GTD

Lexus RC F GT3

1'26.622

10.180

30

86

Germany
Germany

Mario Farnbacher
Trent Hindman

United States
United States

GTD

Acura NSX GT3

1'26.697

10.255

31

57

United Kingdom
United Kingdom

Katherine Legge
Christina Nielsen

Denmark
Denmark

GTD

Acura NSX GT3

1'26.833

10.391

32

9

Canada
Canada

Scott Hargrove
Zacharie Robichon

Canada
Canada

GTD

Porsche 911 GT3 R

1'27.112

10.670

View full results

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