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Nearly 20-Car GS Field Highlights CTSC Roar Entry

19 GS class cars entered for CTSC pre-season test at Daytona…

Photo: Jake Galstad/IMSA

Photo: Jake Galstad/IMSA

The new-look GS class is set for a significant rebound this year, with no fewer than 19 cars on the provisional entry list for this weekend’s IMSA Continental Tire SportsCar Challenge pre-season test at Daytona.

Combined with the ST class, a total of 28 cars are provisionally entered for the three-day test, which will be run alongside the Roar Before the 24 for WeatherTech SportsCar Championship competitors.


Like the WeatherTech Championship entry, which was also released on Tuesday, the Continental Tire Challenge test entry also features a number of to-be-announced drivers.

The GS class, which will embrace SRO GT4-homologated cars for the first time, will see the arrival of the new McLaren 570S GT4 and Ford Mustang GT4, alongside existing GT4 or GT4-based models from Porsche and Aston Martin.

A number of teams will enter multiple cars for the test, while series stalwart CJ Wilson Racing is currently not listed, but expected to appear, with its two Porsche Cayman GT4 Clubsports.

This weekend’s test will mark the public debut of the new Mustang GT4, unveiled at the SEMA Show in November, and to be run by Multimatic Motorsports, with Jade Buford currently as the only confirmed driver.

Reigning series champion Billy Johnson will not be eligible to defend his title this year, as IMSA has put a new rule into place banning all Platinum-rated drivers from the series.

In addition to the previously announced programs from TeamTGM, Automatic Racing, Bodymotion Racing, Muehlner Motorsports, TRG and C360R, the GS class will also see Porsche entries from GMG Racing, RS1 and BGB Motorsports, plus the new two-car MIA/Pfaff McLaren effort.

The nine-car ST class features a mix of returning teams, with more expected for the four-hour season-opener at Daytona on Jan. 27.

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. Marc

    January 3, 2017 at 1:51 pm

    Wait!!! Why no CJ?

    • Kyle

      January 3, 2017 at 3:29 pm

      They just confirmed a full season two car effort this afternoon.

  2. WBrowning

    January 3, 2017 at 5:18 pm

    Disappointed there is only one Mustang GT4 so far.

  3. Karlt

    January 3, 2017 at 5:49 pm

    12 months ago: “IMSA does’t know anything, they’ve killed GS…”

    Today: Here’s a nice plate of crow for you.

    Here’s the thing: racing is cyclical. Remember when PWC was on the ropes? Now it’s going from strength to strength. CTSC has a lot to offer and is one of the best racing series in North America. GS is going to be really, really exciting this season. And it’s only going to get better…

    See you at the Roar!

    • jaysfan

      January 3, 2017 at 6:18 pm

      Sure, that’s all fine and dandy, how come only 9 cars in ST class?

      • Nick1

        January 3, 2017 at 9:16 pm

        Because its the Roar. And its getting harder for teams to maintain the old cars

      • karlt

        January 4, 2017 at 6:26 pm

        As already said, because it’s the Roar. That’s no indication of the size of the ST field.

  4. Jenner

    January 3, 2017 at 7:47 pm

    Who cares about this series, NASCAR needs to point these guys towards PWC. All they do is take up valuable track time on IMSA race weekends.

    Instead of running CTSC, how about running longer IMSA races? At least some 4 hr races. 100 minute race at LB is a joke. So are 2hr, 45min races.

    • Mo

      January 3, 2017 at 8:28 pm

      I care about it and it adds value to my weekend ticket. Only a moron would request to have their tickets devalued.

      • Jenner

        January 4, 2017 at 1:55 am

        Nobody goes to Daytona, Sebring, or any other IMSA weekend to watch souped up tuner cars.

        They go to see Prototypes, Factory GT cars, thoroughbred race cars with slick tires and run at speeds no cop car can catch.

        Instead of CTSC, bring in Trans Am. Give us something fast. If I wanna see Miata, Kia’s, and Accords, I’ll just drive around town.

        • Metromike

          January 4, 2017 at 7:27 am

          Actually, we do go to Road America to watch CTCS, it’s great fun to watch and gives us more racing. I don’t know if you’ve spent weekends at the track, but it’s all about more racing!

        • karlt

          January 4, 2017 at 6:29 pm

          Jenner, I think you would be well-advised to check out the new McLaren 570S GT4 at Daytona. It’s exactly what you want to see race. And the racing in Conti has always been some of the best of every weekend.


        • Mo

          January 4, 2017 at 7:19 pm

          Trans -Am???? I don’t want to see that cobbled together junk. And you are wrong, I go to see suped up tuner cars and I see many other people there as well. Hell, I would rather see Porsche GT3 Cup, Proto-Lites, and Lambo – Super Trofeo any day before Trans Am.

  5. WBrowning

    January 3, 2017 at 9:10 pm

    From the last posting here, it looks like only the following cars are eligible for ST this year:
    BMW 328i (E90)
    Porsche Boxster 2.9L
    Porsche Cayman 2.9L

    I couldn’t find anything here on 365 posted that mentions the Audi or Mini, but they are listed as entries.

    The last post on CTSC eligibility was:

    way back in August. it had the following as
    Unlisted Eligibility: (Whatever that means?)
    Audi S3
    BMW 328i (F30)
    BMW 228i (F22)
    Honda Civic Si (2012-2013)
    Mazda MX-5 Miata
    MINI Cooper JCW 2015
    Nissan Altima V6

    Anyone have updates as to what they can run? or any news on the TCR cars for next year?

    • Nick1

      January 3, 2017 at 9:15 pm

      TCR is still being evaluated to replace ST for 2018. Needs more US manufacturers to support it

    • karlt

      January 4, 2017 at 6:28 pm

      These cars are eligible for ST in 2017:

      Audi S3
      BMW 328i (F30)
      BMW 228i (F22)
      Honda Civic Si (2012-2013)
      Mazda MX-5 Miata
      MINI Cooper JCW 2015
      Nissan Altima V6
      Porsche Boxster 2.9L
      Porsche Cayman 2.9L

      TCR is still very much a TBD for ST in 2018.

  6. N8

    January 4, 2017 at 9:36 am

    I’m definitely surprised. Quadrupling+ some of last years grids with very expensive cars is an achievement I didn’t think was possible.

    How many of these are full season entrants vs. PWC GS runners just doing Daytona?

    • karlt

      January 4, 2017 at 7:58 pm

      Most of these are full-season efforts. One would expect that GMG is a one-off, and a couple of the McLaren programs are one-car only (despite having two cars). Regardless, it’s a solid field.

  7. Curt

    January 19, 2017 at 3:49 am

    Another vote for CTSC. I love there are more GS cars but sure wish they’d get some newer machines in ST. So tired of 4-5 year old Caymans and old style Miatas. There seems to be so many cars they could run but I guess nobody wants to develop new stuff if they go to TCR.

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