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Cadillac DPi-V.R Hit With BoP Adjustments For Rolex 24 At Daytona

The Cadillac DPi-V.R race car, which is set to compete in this year’s IMSA WeatherTech SportsCar Championship with a smaller V8 engine under the clamshell, has been hit with Balance of Performance (BoP) adjustments following the recent Roar Before the 24 preseason test weekend. Cadillac’s racing prototypes dominated every test session, prompting IMSA to try and level the playing field.

The Cadillac DPi-V.R has been hit with a smaller intake restrictor – 31.6 mm in diameter, down 0.6 mm from the start of testing – to reduce its peak power output. Meanwhile, the prototype has been granted a 1-liter increase in fuel capacity, giving it a total capacity of 68 liters, and a bit of extra flow rate during refueling with a 0.5-mm bigger flow opening.

Acura’s new ARX-05 prototype, which is what elder Taylor brother Ricky will be driving this season, wasn’t hit with any power restrictions, and was granted 4 liters of extra fuel capacity (for a total of 80 liters) and a 1.5-mm bigger flow opening for refueling. The Acura, along with most of the rest of the DPi field, were hit with aerodynamic BoP adjustments, where Cadillac’s DPi-V.R was not.

In the GTLM class, the Chevrolet Corvette C7.R race cars have been given an extra liter of fuel capacity for 91 liters total, but was hit with a small aero adjustment to reduce top speed.

(Source: Racer)

Aaron Brzozowski is a writer and motoring enthusiast from Detroit with an affinity for '80s German steel. He is not active on the Twitter these days, but you may send him a courier pigeon.

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Comments

  1. This form of racing is a complete joke! Taking from one car to make the field even is ridicules and should not be tolerated by the manufactures.

    And for the people who say that’s the rules, if all the manufactures left the race promoters would change their approach!

    If one team dominates then so be it!

    Reply
    1. Sorry Brian but pure racing went out decades ago when Can Am and Tran Am failed several times.

      The problem is technology has gotten too expensive and when it gets one sided and too expensive MFGs leave and series die.

      To be honest they want these rules to control cost and to keep one mfg from stinking up the show.

      One team dominates the series dies.

      Look at IMSA in the 80’s until, it died the first time. It got too expensive and too one sided and it died. They do not want to repeat that again.

      At least they are not using spec chassis and engines like the Daytona prototypes did.

      Today racing is marketing and entertainment you have to keep it competitive and close or people stop watching if there is no entertainment.

      F1 was the last form of pure racing and now cost controls are changing it as it was losing teams and too would have failed.

      You want pure racing go to the Amature SCCA races and it is as close as you get but even it is not pure.

      Even your local short tracks are not pure either.

      Reply
      1. There’s nothing wrong with set hard points that teams have to follow, cubic inches, cylinder limits, boost psi limits, chassis length and weight, these are all things that can be done but these limits should be set at the beginning of the year and not be changed.

        As for fans turning off tvs because one team or manufacture dominates then that means you need better fans watching these races!

        You don’t make cars equal just to keep people interested! Can you imagine during the Olympics they make usain bolt were a weighed flax jacket to make the race closer! That’s just dumb, just like weighting down cars or limiting horsepower to keep cars equal!

        I can’t believe there are people who defend BOP racing! It’s wrong and needs to stop!

        Reply
        1. Sorry Brian this is the real world.

          Better Fans? Sorry you on,y get the ones who show up. Even today Motorsport attendance like many other sports are on a decline.

          This not the Olympics this is an industry that cost billions of dollars.

          The process of racing is continued development that can cost millions of dollars. Then you want companies who are trying to hold cost down while racing so limits are placed to try to keep it interesting.

          Or do you want weekly races where there is little passing and in a year or so no factory support.

          The BOP is not perfect but it is better than everyone running the same car and same engines.

          You may have not been around but if you go back you can see many of the best racing series died due to unrestrained cost and lack of competition.

          Good series take MFG involvment. Lack of it series die. To day cost are higher than ever and as they go up teams pull out with no MFG support.

          Yes it sucks because it is not pure racing but it is the only way it survives.

          Hard points are difficult to sort out as teams sand bag often and only show as much as they need to show.

          I have friends in Pro Stock that in the past only go as fast as they had to in order to win so they did not get hit with penalties.

          What I hate is the many regulations that have taken innovation away. NASCAR was one of the best series for tricks to go faster but today it is near impossible to be innovative.

          Smokey Yunick was a hero of mine and the things he did were amazing but today the cost to do these things have gone out of sight with today’s technologies.

          Hell we fight this stuff even in my sons Soap Box Derby Car. We are forced into kit cars and are limited to some basic tuning tricks that have been passed down. The reason people were getting crazy with wind tunnel time on a kids gravity racer. Then there was the cheating too.

          Even in the Olympics they are drug testing and have restrictions on some training. Why? Because people will cheat and spend millions to win.

          Reply
          1. Look this has less to do with racing and more to do with the world wanting everybody to be equal and on a level playing field!

            The reason they pull out of a series is that it does fit with the mindset that no one person or country should be allowed to be far better then the rest of the world, and that has trickled down to sports.

            Fans have also caught on to the notion that no team should be way better than the rest of the field in any sport! This is why we now have salary caps and revenue sharing, luxury tax, to ensure that one team doesn’t run away with the title!

            All this brain washing is pathetic And the worst part is people just go along with and support it. Instead of saying I am going to watch this racing even if one team wins every race!

            I love seeing one team dominate (I hope it’s my team that does) winning race after race, year after year, what I don’t like is seeing a formula in which it allows a lesser talent, a lesser funded, a lesser team be able to compete because the rules allow them too!

            The world doesn’t want any 3rd world countries anymore, they want the 1st world countries to come down to the 3rd world level!

            So remember this isn’t just about racing it’s a way to change people’s minds about how the world should operate!

            This is not the way to live and it’s not the way to run a racing event!

            Reply
            1. You are way over thinking this.

              It mostly comes down to cost and return on investment.

              Racing is Damn expensive and mostly supported by sponsorship. Prize money does not oay the bills.

              Sponsores want results so series try to keep teams close enough that they can market themselves competitive.

              Today the return on racing sponsorship is a problem as it has gotten too expensive for the return on investment.

              Races have gotten too expensive so people have stopped going.

              This is part of the reasons many teams and big name drivers have left.

              Even now series sponsorships are tough to sell even in the biggest series.

              The IMSA problem is they are not a big series to bring money in by sponsors. They have lower ratings on TV and lower visability. Yet the cars can cost more than Indy cars and NASCAR.

              This leaves IMSA surviving on MFG money. But MFG want to keep cost down so hence the rules.

              No Cadillac money no Cadillacs. No Chevy money no Corvettes. Etc.

              Then if you have no rules to limit engines cost go up line with what Penske did at Indy with the Beast push rod engine. Mercedes spent more money on that engine than 3/4 of the field spent on their teams.

              I am sorry but I work in the racing industry and the truth is very little racing is pure anymore. Money, technology, sponsorships, tv and other factors have changed how it is done.

              There is no let’s make everyone equal or let’s not keep score agenda here. It mostly all comes down to business and money.

              People want a return on the investment and racers just want the money to survive.

              The old joke when IMSA failed the first Time was.

              How do you make a million dollars in racing? You start with 5 million.

              Reply
    2. Agreed. And to say that it is too expensive for the other teams to catch up is absurd. These aren’t little start ups that just last week decided to build cars, chassis and engines. Come on! Healthy competition is the fastest way to creating new tech and advancing design.

      Reply
      1. It is all about expense and results.

        Automakers are no longer bottomless pit with money. They have limited budgets and they will go to where they get th e most bang for the buck.

        Not all these teams are equal in funding. Many are down right funded out of pocket.

        Teams like Wayne Taylor survive on support from Cadillac. Wayne has done well but even he is no match for a Penske who will spend Acura’s money and what ever he has if his own to win.

        If you look st the engine rules they have been constructed to save on cost to the teams. You may not realize it but the Cadillac teams ran most of the season with nothing more than an oil change. No rebuilds and replacements for most races.

        Cadillac went with a Dallara chassis to save cost and to be competitive. They did do their own body work.

        As for tech little here goes to the street as little is applicable. If anything much of what is going into the production cars are being adapted to racing.

        Even in F1 the last of the advanced tech series and the highest budgets they have gone to engine restrictions to save cost. Before they would spend millions to build a hand grandad that would last one race. Now the must get more than one race out of these engines to save cost to the smaller teams.

        Even in NASCAR long time drivers are out as teams are cutting cost to save money with young drivers as champs like Matt Kenneth demand high pay but 5he sponsors are no longer paying.

        They have gone to a spec car and now are talking about a spec engine that is already in use in ARCA and the truck series. Soon Cup cars will have composit bodies to save cost.

        I see the cost cutting everyday as racing has gotten too damn expensive. There are a few players out there that will spend at will but many of the big names are even cutting back.

        The reality is there are nearly no start ups as they are mostly gone. The teams left are big time teams and secondary teams supported by the big teams.

        Ike I said the joke on how to make a million dollars in racing is to start with 5 million. Well today you can change that to 20 million from 5 million.

        I have a hunk of aluminum in the garage that used to be a funny car block but now with a large hole in it. It is a table now. It used to be a team would lose a bunch in a year as that was the cost of winning. At $10,000 a pop that is what they did. The small teams that could not foot the bill left. NHRA then made it a penalty to oil the track to save clean up time and money.

        Big money killed pure racing and now the big money is drying up for ,any. IMSA may appear to be a top shelf series but is is one step above SCCA and the pockets are not as deep as you think for most of the teams.

        Reply
        1. Oh I know. Even BMW left F1. My point is, that is life. It is not true competition when you hinder a team. While we are at it, lets place ankle weights on all the fast marathon runners. After all, the others running might not have as much time or money to put into their training. Other forms of racing will arise. Let teams drop out.

          Reply
          1. I totally agree! Racing needs to be unrestricted

            Reply
  2. This is not about money it’s about not letting one team win every race! Which I hate! You may think it’s about teams leaving the sport but when they leave it just opens the door for someone else!

    I am not over thinking it people are on a mission to make people in all walks of life the same or equal!

    If I have the ability to build better engines, chassis, and aero then why should I get a pentaly for it?

    Make the teams run the same size engines, same amounts of boost, and let the chips fall!

    Reply
    1. You need to learn your history and current racing concerns better.

      If they do as you with IMSA would be dead in 5 years. It died before because of this and it would die again.

      I was there and saw it first hand when they died the first time. It was fun when it lasted till Porsche pulled out as cost climbed. GM pulled out as Nissan ran up the cost and then Nissan pulled out as a Toyota ran the cost even higher.

      By the time the factories left few privateers could support the series.

      Same nearly has happened to ALMS with the Corvettes. As the dominated everyone left and they really ended up with a two car class till the BOP came around.

      I would love to see pure racing too but we lost it a long time ago. Even the world of Outlaws now have restrictions for cost reasons.

      NHRA now is to the point if John Force pulled out they would be in serious trouble. Indy runs spec chassis to help control cost or prevent the Penske’s from spending what ever it takes to win negating everyone else.

      Don’t think it can’t happen just see what Penske did to Can Am in 1973. He and Porsche ran cost up so much the others began to pull out. The series died then returned as a lame spec series.

      Reply
      1. If the series dies, it dies. So be it. It’s not racing if you hinder teams that built a better mousetrap. And if it’s not cost effective for some manufacturers to be involved, then again I say, so be it. It dies.

        Reply
  3. for this racing to be legit they should be required to run all stock parts as sold on the car in the show room. just add the roll bar, race tires and the safety equipment. this way the fan will see who is building the most reliable car. that is the way endurance racing needs to be

    Reply
    1. They did that in SCCA show room stock.

      The first thing that happened GM And Porsche faced off.

      The Corvette dominated.

      SCCA banned the Corvette to keep Porsche from leaving and not just have a field of Corvettes.

      Chevy then did a Corvette series that lasted only a couple years.

      Porsche and Chevy Faced off again but Chevy then used the limited 1LE package to dominate Porsche and this time they went home and the series died.

      NASCAR used to use stock bodies then the MFGs started to make limited numbers on special bodies to one up everyone. The series suffered as everyone started to cross lines not intended to be crossed.

      Watch a Grand Tour this week and the story Jeremy does on the Audi, Lancia battle in the early 80’s. Just look at all the games Lancia did to win a championship. Salting the race course, faking seat belt failures, putting in roll cages that were just thin mild tubing that would not hold up in a crash etc.

      If you could govern a series enough to make sure there is no games you may have a chance but too many games are played

      I know one car that had to change engines in the Continental Challange series. The got the stock engine from a dealer and found out after the win it was for a Corvette not a Camaro. They did not mean to do it but got away with it.

      Reply
  4. not sprint races but the 12 or 24 hour races to see which car can last 12 or 24 hours on the parts the showroom buyer gets. if a part is failing you are not allowed to change that part till the next model year not the next race. this is called improving the breed for the people who buy the cars from the dealers.

    Reply
  5. If you’re restricted for being honest and coming to the fight with spec hardware which happens to have torque so when BOP the team and lose the race even with best pit strategy time after time and see the many manufactures get a pass because they don’t have the torque, boost, or aero, I’ve seen teams pull out. You can’t win…

    Ganasi is one of those teams that change manufacturers every other year with BOP passes…just saying. He uses the rules to his favor and finds a way to use what I’ve read above to put fear into the top office. That would be big money gone if they put Chip in the category as the smaller teams so gets his way.

    I’ve watched a lot racing over 20 years and seen that stupid mentality in all race sanctions to keep it close.

    In prototypes last year, there was a lot of BOP on the Cadillac and Corvette to where they weren’t competitive but the pit strategy got them through the year and it became a driver’s race. Some say that was exciting but it wasn’t…

    Politics will kill the sport if they don’t spot the slackers during BOP tests.

    Example, Indy, Honda wanted to pull out after losing manufacturers title 3 yrs in row but Indy changed the aero for 2018 to keep them in until 2019. That’s why Indy is courting other manufacturers.

    It’s going to happen in IMSA, shot self in head.

    Reply
  6. What you forget is racing is a business not a pure sport. It is and only exist to make money. To keep it alive they need to make it interesting for the fans and for the MFGs. Both have to get satisfaction from it or it dies.

    While some may have a let it die thinking we have gone years with no racing or really messed up racing that is even worse then BOP. Anyone seen the Daytona prototyped race it may have just as well been IROC.

    Indy for the most part is running a spec car. They have some aero packages but for the most part they are nearly the same. It is open wheel NASCAR. Even the engines are very close.

    Days are gone of the stock block at Indy that always made it interesting due to the mega program Mercedes and Penske did just to win the race one year.

    The fact is someone with deep pockets always comes along and stinks up the show. Then the entire series suffers and we lose it.

    To be honest I am not a fan of BOP but if you look at this it has kept the Corvette alive the last two years. The other cars are superior in aero and balance but the BOP has kept the Vette competitive till the C8 arrives at the track.

    In the past many series have screwed the weight penalties up but IMSA has done better than most. Heck LeMans got totally fooled on the GT as they sand bagged and got sucked in.

    I hate BOP but it is a economic reality of life and with out it there would be no racing or Cadillac in racing period.

    Reply

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