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Conway Tops Night Practice in Cadillac Sweep

Mike Conway, Action Express quickest in night practice…

Photo: Brian Cleary/

Photo: Brian Cleary/

Mike Conway led another Cadillac 1-2-3 sweep, in night practice for Saturday’s Mobil 1 Twelve Hours of Sebring.

The Toyota LMP1 factory driver on loan reeled off a quick lap of 1:49.815 in his No. 31 Action Express Racing Cadillac DPi-V.R, edging out the No. 10 Wayne Taylor Racing Cadillac of Ricky Taylor by 0.257 seconds.

Filipe Albuquerque was third in the No. 5 Action Express Cadillac, with Tristan Nunez the best of the rest in fourth, in the No. 55 Mazda RT24-P.

The No. 90 Visit Florida Racing Riley Mk. 30 Gibson completed the top-five overall and in the Prototype class, just over 1 second slower than Conway’s pace-setting time.

Ford Chip Ganassi Racing topped the time charts in GT Le Mans, with Sebastien Bourdais reeling off a 1:57.116 in the No. 66 Ford GT, which seeks a rare endurance triple crown of class wins on Saturday.

The No. 912 Porsche GT Team Porsche 911 RSR and No. 68 Ford completed the top-three.

A flash pit lane fire, triggered by a fuel leak, temporarily halted the No. 3 Corvette C7.R, which later rejoined in the session after repairs were made to the rear of the GTLM contender.

Lawson Aschenbach, meanwhile, was quickest in GT Daytona, thanks to a 2:00.964 lap time set in his No. 57 Stevenson Motorsports Audi R8 LMS.

Aschenbach edged out the No. 15 3GT Racing Lexus RC F GT3 of Jack Hawksworth by 0.118 seconds, with the No. 29 Land Motorsport Audi third.

The No. 26 BAR1 Motorsports Oreca FLM09 of Gustavo Yacaman was quickest in Prototype Challenge.

There was only one red flag, for the Stevenson Audi, which ran out of fuel at pit in, 11 minutes into the session.

Forty five of the 46 cars turned laps, with the No. 70 Mazda missing the 90-minute session due to a crack in the water pump, but will be ready tomorrow morning. 

The fourth and final practice session is set for 9:20 a.m. ET.

RESULTS: Practice 3

John Dagys is the founder and Editor-in-Chief of Sportscar365 as well as the recently launched e-racing365 Web site for electric racing. Dagys spent eight years as a motorsports correspondent for Channel, and contributes to other publications worldwide. Contact John



  1. Mike S.

    March 16, 2017 at 9:44 pm

    Audi’s in GTD been pretty consistent up top all sessions. Lambo’s again outside the Sellers/Snow/von Moltke rig are towards the bottom.

    • Luna

      March 17, 2017 at 9:08 am

      Are you seriously expecting something from Lamborghini teams?
      They are a joke.

  2. Matt

    March 16, 2017 at 9:50 pm

    This is crazy at this point. IMSA has taken away half of the Caddy’s power and they’re still out in front. Makes you wonder if the other cars/teams really suck that much or if the Caddy’s are just incredibly quick. This really makes the regular spec P2’s look slow.

    • Jack

      March 16, 2017 at 10:50 pm

      Well, here’s your clue to where the speed came from. In a December test a stock dallara and a stock oreca were testing. The oreca was a second quicker. So it’s not the chassis they are beating everyone, it’s on the straights. And when you have a speed advantage, you can add more downforce, making your laptime go down. So that’s where it comes from.

    • DEJ

      March 17, 2017 at 9:05 am

      Gotta blame it on the Russians .

  3. Dan

    March 16, 2017 at 10:02 pm

    This is what you get when you say bring any engine you like and set no rules or limitations. GM spent a lot of money on that engine. I suspect these Cadillacs will keep “finding” performance unless IMSA ties a battleship anchor to them. IMSA needs to seize some engines then test them like none before to see what they are really capable of before issuing anymore BOP.

    • Joe

      March 16, 2017 at 10:23 pm

      teehee, battleship anchor. Didn’t see that one coming. hahaha

    • Cactus Tony

      March 17, 2017 at 7:25 am

      Everyone pissed & moaned for years that Grand-Am was too ‘spec’ (even though it wasn’t). Everyone pissed & moaned when ACO went to a spec engine for P2. And now everyone’s pissing and moaning that the REAL OPEN FORMULA FOR INNOVATION AND BLARGHITY BLAH isn’t spec enough.

      What a time to be alive.

      • Susafan

        March 17, 2017 at 7:53 am

        We are speaking about DPi. THERE IS NO INNOVATION IN DPi.

        Just BoP. Crappy BoP like always in IMSA Prototype (bar 2016)

        • Cactus Tony

          March 17, 2017 at 9:29 am


        • Helmut

          March 17, 2017 at 9:33 am

          Where’s the innovation in the standard LMP2 from WEC / ELMS?

  4. Jerry

    March 17, 2017 at 1:24 am

    Gibson engine

  5. Jenner

    March 17, 2017 at 5:45 am

    Cadillac should enter the P1 class at LeMans this year since they’re a full factory program.

    Like to see how they compete against Porsche and Toyota.

    • racefan101

      March 17, 2017 at 6:36 am

      Porsche and Toyota are Hybrids, Cadillac it’s not. That wouldn’t work to well for Cadillac.

      • Jenner

        March 17, 2017 at 11:50 am

        You mean the good ol’ boys of the France’s combined with GM technology and the greatness of WTR can’t beat a Porsche or Toyota?

  6. racefan101

    March 17, 2017 at 6:40 am

    Well, let’s see how this race goes. One of the Gibson engine cars was the fastest in the first practice. However, makes you think that IMSA handed the Rolex 24 to GM!

  7. Luna

    March 17, 2017 at 8:19 am

    Is IMSA doing a new BoP on Cadillac today?
    What a gang of clowns.

  8. Nate B

    March 17, 2017 at 10:04 am

    It still maybe be a caddy 1-2-3, which I don’t love, but they are arguably the best two teams and certainly have the most development.

    If I were IMSA I’d keep things status quo for a few races and see how the teams with less time with the cars manage. Seems like they may have BOP pretty close for the time being?

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