2015 Sprint Cup rules to feature reduced testing, less horsepower

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As expected, NASCAR has released its 2015 Sprint Cup rules package to teams today. And as expected, it contains some major changes.

At the top of the list are a ban on private team testing at any tracks following the season finale at Homestead-Miami Speedway and a reduction in horsepower from 850-900 down to 725 with the use of a tapered spacer (which is already used in the Nationwide Series).

Additionally, the rear spoiler will be cut to six inches, giving drivers less downforce to work with on their cars.

In regards to testing, Goodyear will work with NASCAR and the Sprint Cup teams to select tracks for tire test sessions. Also, the “Preseason Thunder” sessions at Daytona International Speedway have been eliminated.

“The teams have asked for more productive sessions with all of us included,” O’Donnell told USA Today writer and NASCAR on NBC contributor Nate Ryan. “If we can have NASCAR, Goodyear and the race teams all together, it’ll be a home run.

“The second part is anytime you can minimize costs, that’s big. We think we’ve done both.”

The rules package comes after teams tested various aero configurations and power levels last month at Michigan International Speedway.

Drivers that took part in the Michigan session said they preferred a configuration with less downforce but retained the current 850-900 horsepower. It appears that those drivers will get some of what they wanted (the downforce part), but not all (current-level or additional horsepower).

However, O’Donnell thinks the new package will lead to what NASCAR’s been going after for some time now: A better on-track product on its 1.5-to-2-mile, intermediate ovals.

“We believe what will contribute to better racing is the ability to get off the gas in the corners,” O’Donnell said to Ryan. “If you’re able to slow down the straightaway speeds a bit, but really affect the speeds in the corners – where drivers have to make decisions on how much they want to get off the throttle – it allows for more passing in the turns, and it allows for tire manufacturer to really march toward a grippier tire.

“That will contribute to even better racing.”

Other changes on tap for 2015 include:

  • The addition of rain tires for Sprint Cup road course events with mandatory wipers, defogger and rear flashing rain light at the start of those events
  • An option to have a panhard bar in the cockpit to allow drivers to make suspension adjustments
  • A new video system for officiating in the pits that will have officials analyze cameras and software (some officials will still be in the pits for team communication purposes)
  • An online rule-book for teams with computer animation and 3-D illustrations

A full list of the 2015 changes can be found here.

Today’s edition of NASCAR AMERICA will have more details on the 2015 rules package. You can watch it today at 5 p.m. ET on NBCSN and NBC Sports Live Extra for your online/mobile device.

Houston Supercross by the numbers: Five riders begin to gap the field

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Chase Sexton stumbled in San Diego and Eli Tomac had a hard fall in Anaheim 2, but the Monster Energy Supercross numbers for Houston suggest they will continue to be the ones to beat in Houston. To do so, they will have to turn back challenges from another pair of riders who have swept the top five in the first three rounds and another with a worst finish of sixth.

Houston Supercross numbers
Cooper Webb’s ability to close races makes him a Houston favorite. – Feld Motor Sports

Despite an accident in his heat in San Diego that sent him to the Last Chance Qualifier (LCQ), Sexton recovered to score a top-five that weekend. His podium finish in Anaheim 1 and overall win last week in Anaheim 2 makes him one of the three riders with a perfect top-five record. He is joined by Cooper Webb, who finished second in the first two rounds and fourth last week, and Ken Roczen, whose consistency in the first three races contributed to him grabbing the top spot in this week’s NBC Supercross Power Rankings.

There are reasons to believe Webb and Roczen can keep those streaks alive.

Webb is the only multiple winner at Supercross’ current Houston stadium. His pair of wins came in 2019 and 2021, the same year he won his two 450 championships.

Clinton Fowler points out this week, that Webb has carried that strength into 2023. Webb had a late surge in Anaheim 1, advancing from fifth to second in the final six laps. In San Diego, he set his ninth fastest lap with two to go and his eighth fastest on the final lap. He posted his fastest lap of Anaheim 2 on Lap 12 while the rest of the field did so on Lap 6 on average.

By comparison, Tomac set his 14th fastest lap on the final circuit in route to winning the Main at San Diego while he was trying to keep Webb at bay.

With a sixth at San Diego, Dylan Ferrandis barely missed sweeping the top five in his first three races as did Tomac with a sixth last week at Anaheim 2.

This will be the 46th year Supercross has visited Houston and with 55 races the city is tied for the second-most with Detroit.

Jim Pomeroy won the first race in the Astrodome during the inaugural season of 1974 on a 250, which was the premiere class at the time. Houston was one of three races held that year along with events at Daytona International Speedway and the Los Angeles Coliseum. All three venues return in 2023 with the first SuperMotocross championship finale returning to the famed LA Coliseum in September.

Webb won most recently in 2021 in the final race of three held there that year as the series executed a strategy of racing in residencies to limit travel during height of the COVID-19 pandemic. Tomac and Justin Barcia also won in Houston in 2021.

Two privateers have started the season on a high note.

Joshua Cartwright and Joshua Varize have each made the last two Mains. Cartwright finished 18th in San Diego and 21st last week in Anaheim 2 – all while working fulltime as a Business Intelligence Analyst at the University of Texas, Dallas. Varize earned a top-15 (12th) in San Diego and was 21st in Anaheim 2 in his third season on a 450.

Michael Mosiman scored his first 250 win last year in San Diego. – Feld Motor Sports

The numbers show none of the active 250 Supercross East riders have won in Houston, so no matter who steps on top of the box, there is going to be a fresh face. That is not surprising since most of the top competitors have not raced at this venue yet.

Michael Mosiman has a pair of top-fives there, however. His best finish was a second in the second 2021 race. Garrett Marchbanks scored a top-10 in his rookie season of 2019 in Houston.

In the 250 East division, Hunter Lawrence is one of the favorites to win the title now that Christian Craig has moved to 450s. Last year he had four wins and nine podiums, but failed to set a fast lap in a race.

The other 250 riders with 2022 wins this week are Mosiman, who earned his first Supercross win last year in San Diego, and Nate Thrasher, who became the fifth new class winner at Daytona.

Jeremy Martin will attempt to extend a record this week in Houston. His division leading SuperMotocross podiums number 65. He has 26 wins in the combined sessions, which ranks fourth all time.

Last Five Houston Winners

450s
2022, no race
2021, Race 3: Cooper Webb
2021, Race 2: Eli Tomac
2021, Race 1: Justin Barcia
2020, no race
2019, Cooper Webb
2018, Jason Anderson

250s
2022, no race
2021, Race 3: Colt Nichols
2021, Race 2: Jett Lawrence
2021, Race 1: Christian Craig
2020, no race
2019, Dylan Ferrandis
2018, Aaron Plessinger

By the Numbers

Anaheim 2
San Diego

More SuperMotocross coverage

Supercross unveils 16th edition of a Ricky Carmichael designed Daytona track
Power Rankings after week 3
Malcom Stewart out for “extended duration” after knee surgery
Haiden Deegan makes Supercross debut in Houston, Justin Cooper to 450s
Talon Hawkins set to relieve injured Jalek Swoll in Houston
Jalek Swoll out for an indefinite period with broken arm
Ken Roczen urgently needed a change
Chris Blose joins Pro Circuit Kawasaki in 250 East opener
Seth Hammaker to miss Houston with wrist injury
Jo Shimoda joins Seth Hammaker, Austin Forkner on injured list
Injury sidelines Austin Forkner for remainder of 2023 SX
Chase Sexton wins Anaheim 2 in 450s; Levi Kitchen takes 250s
Results and points from Anaheim 2