What drivers said after Michigan race

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Clint Bowyer — Winner: “It took something crazy on a restart to be able to get Kevin (Harvick). That was a gutsy call. When we went out there on two tires, I looked in the mirror, and I was so far ahead of everybody else i was like, ‘Oh man, we are in trouble!’ The rain came just in enough time. I was trying to hold him off. I was cutting him off and taking his line away pretty bad. If it wasn’t for a win you wouldn’t be doing that. He was so much faster than me in (turns) 1 and 2. I got down in (turn) 3 and just had to take his line because that bear was coming.”

Kevin Harvick — Finished second: “It was a weird day. If you are going to have rain kind of take one from you, I would rather give it to my teammate. I am happy for Clint and all the guys on (his) team. Everyone on our car did a great job. I had a really fast car, and the pit crew was the best thing that happened all day. They were solid all day and kept us up front. That to me is the best thing that came out of today.”

Kurt Busch — Finished third: “We had an excellent day all the way through. No big mistakes, no rough moments.  Pit stops were solid. Adjustments were solid. Restarts, I’d say three quarters of the time I was on the inside lane, so that might have been a little bit where we were pinned down. But you have to make do with what you have, how the chips fall.  I’m happy with our effort today. Of course you always want to go back racing again, but to see the two cars in front of me at the end, the 4 and the 14, that’s a big day for Stewart‑Haas Racing.  It’s very special to finish 1‑2‑3.

Kyle Busch — Finished fourth: “The blue ovals (Fords) were just tough today. It wasn’t anything about (Stewart-Haas Racing). They go down the straightaway really, really fast. We have a hard time keeping up with them there, but our car through the corner was really awesome. The M&M’s Camry was really good there after yesterday’s practice. I thought we had something for them and if it was going to be a little bit hotter and sunnier today, I felt like we were going to be really good. That just wasn’t the conditions for today, so chilly and cool and lots of grip, and that was better for all those guys, but we gave it a hard fought fight and come home with what we could there – a fourth. Not too shabby. I thought we had third and then Kurt (Busch) blew my doors off on the straightaway and we’ve just got to get better there and try to make it up and be able to put on a fight here later on this year. … If it would have went green the rest of the way, I felt like we could keep up with them. I felt like our long-run speed was better than theirs and if we could have had some green flag stops and maybe made up ground on that we would have been alright.”

Paul Menard — Finished fifth: “We had a good car today and all weekend. We didn’t qualify as good as we would have hoped and went from the back and got put to the back twice. Once I sped and another time we got door slammed. I am really proud of my guys. We made a gutsy call to stay out on no tires with a bunch of laps on it. Gutsy call. We had the car to hold on though, so it worked out.’’

Joey Logano – Finished seventh: ““I got out of the car and thought, ‘Man, that was a weird day.’ It was hard to pass. I had a car that was capable of running in the top five, but the result depended on the restart. If you got a good restart, you could settle in and run pretty well. Our car took off pretty good on restarts, which was good and played into our hands a little bit. We had a good pit stop at the end that got us up to 10th, and we had a good restart at the end and got a couple cars and that is what got us to the seventh-place finish.”

Ryan Blaney — Finished eighth: “We were really fast. We got our car better all day and won that stage and kind of got back there and a lot of guys took two. We were making it back up, but then the rain came. It was a really great race car. Definitely not an eighth-place car, but unfortunately, that is where we ended up.”

Chase Elliott – Finished ninth: We had a flat tire there on one of those first cautions, and it kind of got us behind a little bit, but we were hovering right there kind of at the edge of the top 10 inside or outside depending upon the restarts and what not.  I felt like we finished about where we deserved.”

Jamie McMurray — Finished 10th: “Yeah, we had a really good car.  I struggled to pass people, and I had about 10 instances where I was a half a car length from clearing somebody, and I lost four or five positions, but we had a really good car. I feel like every week we keep getting a little bit better and super happy with the way we ran today.”

Aric Almirola – Finished 11th: “Man, I hate it for my guys. We had such a fast Ford Fusion. I’m proud of our team, and I’m looking forward to coming back to the track at Sonoma.”

Denny Hamlin – Finished 12th: “We had a really fast car. We just didn’t get to show it. Got stuck on the bottom line all but one restart and just – we just had a very good car. Just never got to get up there and race and show it and that’s frustrating, but can’t help the weather.”

William Byron – Finished 13th: “Yeah, I think that is the best car we have had this year.  We were able to run top seven or top eight.  We still need to work on a few things with the front of our car, but I think overall we really had a good balance and really just seemed to hold on pretty good.  I wanted some longer runs, but it was a pretty good race for us.”

Austin Dillon – Finished 14th: “What a wild race! It was crazy racing in the rain like that. I couldn’t even see out of my windshield because of the rain drops. Overall, we had a solid run in our Dow Salutes Veterans Camaro ZL1. By the end of Stage 2, we had one of the fastest cars on the track. We just lacked the track position. When the rain really started coming down hard, that ended the race. Our team is still trending in the right direction. We just need a little bit more to compete with the next group of cars.”

Erik Jones — Finished 15th: “We were just trying to maximize our day. Obviously, I didn’t think we had a car that was capable of winning the race, so we were just trying to do the best we could and have a solid week. It is what it is. I don’t know that we have anything for them right now, but we’re working hard to catch them and we’ll hopefully be better here soon.”

AJ Allmendinger – Finished 17th: “We maximized the day with our No. 47 Camaro. It was a tough weekend with track conditions because of the weather, and we didn’t get to have final practice on Saturday. For the race, the guys really worked on our car. We’re getting more speed out of them. On the 47 side, we’re working on having better practices, and we’re putting our heads together better and focusing on the conditions of the race. Last week and this week, I feel like our cars have been a lot more competitive. Overall, today we struggled in dirty air (traffic), but in clean air the car was pretty fast. That’s just the way it goes at Michigan. It’s something to go into the off weekend with and on to Sonoma (Raceway). We wished we had more time to gain more spots, but the rain finally got us.”

Ty Dillon – Finished 21st: “What a crazy weekend with Michigan weather. I’m glad we were able to get this race in today for all of the fans, but I’m disappointed that we didn’t get to finish it. I felt good about the balance of our Twisted Tea Camaro ZL1 after practice on Saturday, so I was confident going into today. The car was pretty good at the start of the race, but it was just too aero-tight in traffic. My crew chief Matt Borland made great adjustments throughout the day, and they really woke our car up in the second stage and what little we got to run of the final stage. We were knocking on the door of the top 20, so I really wish we could have gotten the whole thing in. I know that with the extra time to make adjustments and pick away at the cars in front of us that we could have brought home a top-20 finish. I’m proud of the work this team puts in each and every week. They did a great job today, and I’m looking forward to heading to Sonoma with them after the much-deserved off weekend.”

Ryan Newman — Finished 22nd: “Rain certainly played a big role in strategizing for this race. Early on we raced in the top 10, but as rain approached we opted for four fresh tires in hopes of making it to the end of Stage 2 in a better scenario. Instead, we realized our car did not respond well in traffic and dirty air. It pretty much bogged us down and prevented our Camaro ZL1 from making up the ground we had anticipated gaining. Then the rain finally came to end the race. It has been a tough go for us of late. Here’s hoping the off weekend will allow us to recharge and get this bad luck monkey off our back.”

David Ragan — Finished 38th: “I wish (Bubba Wallace) wasn’t able to drive away because he just kind of ran in over his head and wrecked us. You will have that sometimes. Guys make mistakes, and he made a mistake. It is unfortunate. I feel like I car was going to be OK. We made some good adjustments to our Ford for today’s race, and I was going to race hard to try to get to halfway. It is just one of those days and we will move on.”

Harrison Burton looks for progress in second year in Cup

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Harrison Burton made the first start of his NASCAR Cup Series partnership with the Wood Brothers in the bright lights of Los Angeles.

Burton and the Woods teamed last season as Burton jumped into full-time Cup racing after two full seasons (and four wins) in the Xfinity Series. Their first race was the Clash at the Coliseum, and it was a good start — Burton qualified for the feature and finished 12th on the lead lap.

Then things headed downhill. Crashes at Daytona and Auto Club Speedway left Burton with finishes of 39th and 33rd, respectively. After the first five races of the year, he had four finishes of 25th or worse.

Now, Season Two, and there are higher expectations. Much higher.

MORE: Drivers to watch in Clash at the Coliseum

“The start of last year was really, really rough,” Burton told NBC Sports. “It kind of put us in a hole. We got into the wreck in the 500 and crashed at Fontana. Things kind of stack up on you, and all of a sudden you’re buried in points and it’s hard to make it back up.

“But, at the end of the year, three of the last four weekends were big for us (three consecutive top-20 finishes). We need to build off that and try to get out of the West Coast swing and have a clean group of those races. That’s really important. We need to get our average finish up in the first four to five races and not put ourselves in a hole we can’t get out of, and then go from there.”

The Wood Brothers team typically brings strong cars to the Daytona 500, the season’s first point race. Trevor Bayne scored the team’s latest win in stock car racing’s biggest event in 2011.

“We ran well in the 500 last year until I was upside down,” Burton said. “We had a fast car and qualified well and finished third in our duel. Then in the second Daytona race we put ourselves in good position late, so we were in contention in both Daytona races. The speed was there, and the cars drove well.”

The team’s primary goal is to make the playoffs, Burton said. “And we want to be a contender,” he said. “Cup races are so hard. First, you have to contend. Having a good average finish is really important. If you average around 17th or 18th all year, you can kind of point your way into the playoffs, and doing that is on our minds for sure.”

MORE: Power Rankings: 10 historic moments in the Clash

Burton looks for a strong start in Sunday’s Clash, which will present teams with a mix of the old and the new. Drivers got the experience of racing inside the Los Angeles Memorial Coliseum last year, and notes from that race will be useful, but the racing surface will be all new again.

“Every repave has a different tendency,” Burton said. “We’ll see how close it is to last time and how different. Obviously, there is experience on that track, but still it’s a completely new surface, so it’s going to be a mixture of old and new. There’s some knowledge we can build off of, but we kind of have to go into the weekend with that knowledge as tentative because we don’t know if the track is going to be different.”

Burton heads for Los Angeles with a win already under his belt this year. He and teammate Zane Smith, last year’s NASCAR Craftsman Truck Series champion, won last Friday’s International Motor Sports Association’s Michelin Pilot Challenge Series race on the Daytona International Speedway road course.

Burton drove the finishing laps in the four-hour race. He was third with about 50 minutes to go but moved in front with 22 minutes left when leader Elliott Skeer parked. Burton outran second-place Spencer Pumpelly by .688 of a second for the win.

“I thought we could run well,” Burton said. “After the test we did, we were really fast, so I was pretty excited. But apparently there is a lot of sandbagging that goes on there, so I wasn’t sure where we were. We had to have some things go right for us, and they did.”

 

 

 

 

Dr. Diandra: Muffling racecars won’t change fan experience

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Last week, NASCAR tested the muffler that will be used for Sunday’s Clash at the Coliseum.

“Heresy,” some fans cried. They argued that it is against the laws of man and nature to muffle racecars. That noise is an integral part of the fan experience. That you’re not supposed to be able to have conversations during races.

Relax.

The cars will be plenty loud.

Loud is fast

Engines produce power by combusting fuel and air in their cylinders. Each combustion produces high-pressure gases that push the piston up. The same gases make a loud popping sound when they escape the cylinder and finally the exhaust.

At 8,000 rpm, an eight-cylinder engine performs about 520 combustions every second. The faster an engine runs, the more combustions per second and the higher the frequency of the tailpipe noise.

That’s why NASCAR engines sound like grizzly bears and F1 engines, which run at higher speeds, sound more like angry mosquitoes.

Maximum horsepower requires getting the spent gases out of the cylinder as quickly as possible so the next combustion reaction can start. And that’s the problem with mufflers, from a racing perspective.

Mufflers on street cars bounce sound waves from the engine around a metal can. The waves interfere with each other, which decreases the overall volume coming from the exhaust.

Mufflers can also mitigate noise by directing the exhaust through a sound-absorbing material. Borla, the sole-source supplier for this weekend’s muffler, makes commercial racing mufflers that feature a robust sound-absorbing material superior to the commonly used fiberglass.

Both methods slow the exhaust gases — the first more than the second. The ideal racing muffler diminishes sound with minimal horsepower reduction.

Decibels

Sound-level measurements come in decibels (dB), a unit named after Alexander Graham, not Christopher — and apparently by someone who wasn’t the best speller.

But decibels don’t tell the whole story. Sound intensity decreases with distance, so you need to specify how far away the sound source was.

The easiest way to explain the decibel scale is to relate it to real-world noises, as I’ve done below.

A bar chart showing representative sound levels expressed in decibels.

  • Zero dB is the threshold of human hearing.
  • A whisper you can just barely make out is about 20 dB.
  • Most everyday noises are in the 60 dB to 100 dB range but are sometimes louder.
  • Exposure to 130 dBs can be painful.
  • A 150-dB sound can cause permanent hearing damage in a very short time.

Ringing in your ears the day after a rock concert was a badge of honor in high school. Older me wishes I had been a little smarter.

Hair cells — not to be confused with ear hair — facilitate hearing. Sound bends these hair-shaped cells, and the cells convert sound into electrical signals that the brain interprets. Loud sounds can bend these cells so much that they break.

Unlike animals such as sharks, zebrafish — and even the lowly chicken — humans cannot grow new hair cells. Once your hearing is damaged, you can’t get it back.

How loud are racecars?

A noise mitigation study for the proposed Nashville Fairgrounds track measured a single Next Gen car at COTA generating 112 dB on a straightaway at 100 feet.

A 2008 study measured the sound level inside a Gen-6 car to be an average of 114 dB. The study also compared sound in the stands, the infield and the pits.

Let’s add those numbers to our graph.

A bar chart showing representative sound levels expressed in decibels, including sound measurements from the Gen-6 and Next Gen cars

  • The Next Gen car at 100 feet is about the same loudness as a person screaming at top volume 1 inch from your ear.
  • The Next Gen car at 100 feet is just a bit quieter than sitting inside the Gen-6 car.
  • Bristol reached peak sound levels loud enough to cause permanent hearing damage.

The graph data suggests that inside the Next Gen car should be around 10 times louder than inside the Gen-6. Some drivers made new earmolds to cope with the additional noise in the cockpit.

Because of the way sound works, the numbers don’t add like you’d expect them to. A Next Gen car might be 112 dB, but two Next Gen cars are more like 115 dB. A full field would be only 5-7 dB louder.

The mufflers won’t muffle much

NASCAR expects a six to 10-dB reduction in sound with mufflers. A 10-dB reduction would make the Next Gen car about as loud as the Gen-6 car was.

Another way of looking at it: Good earplugs reduce sound levels by 25 to 30 dB. Wearing earplugs just barely gets you into the range of being able to hold a conversation if you stand very close to each other and you both shout.

You won’t notice the change in sound inside the track.

You also won’t notice a change in speed this weekend, despite a drop of 30-40 horsepower. The Next Gen car takes around 14 seconds to traverse the L.A. Coliseum’s quarter-mile track. That means cars won’t be going much faster than typical expressway speeds.

If you’re headed out to the track this weekend — despite the mufflers — bring earplugs or over-the-ear headsets. This is especially important for children, as their hearing is more easily damaged.

Joe Gibbs Racing adds young racers to Xfinity program

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Connor Mosack, 23, and Joe Graf Jr., 24, each will drive select races in the No. 19 Xfinity Series car for Joe Gibbs Racing this season.

Mosack, who has a 20-race Xfinity schedule with Sam Hunt Racing this year, will run three races for JGR: Chicago street course (July 1), Pocono (July 22) and Road America (July 29) while also competing in six ARCA Menards Series races for JGR, including Feb. 18 at Daytona.

Graf, who has a 28-race Xfinity schedule with RSS Racing this year, will run five races in the No. 19 Xfinity car for JGR: Auto Club Speedway (Feb. 25), Las Vegas (March 4), Richmond (April 1), New Hampshire (July 15) and Kansas (Sept. 9).

“I made my Xfinity Series debut with JGR last June at Portland and from the moment I made my first lap in their racecar, I realized why they’ve been so successful,” Mosack said in a statement. “Their equipment was second to none and the resources they had in terms of people and their knowledge was incredible.

“Jason Ratcliff was my crew chief at Portland and he’s got a ton of experience. I was able to learn from him before we even went to the track. Just in our time in the simulator, we made some great changes. So, to be back with him for three Xfinity races is going to be really valuable.

“And when it comes to JGR’s ARCA program, it’s the class of the field. After having to race against JGR cars, I’m really looking forward to racing with a JGR car. No matter what track they were on, they were always up front competing for wins. To have that chance in 2023 is pretty special, and I aim to make the most of it.”

Said Graf in a statement about his opportunity with JGR: “Running five races with JGR is a fantastic opportunity for myself and for my marketing partners. I think I can learn a lot from JGR and showcase my skills I’ve been growing in the series in the past three years. 2023 is shaping up to be a great year and I’m pumped to get started with the No. 19 group.”

Ryan Truex has previously been announced as the driver of the No. 19 Xfinity Series car in six races this season for JGR. The remaining drivers for the car will be announced at a later date.

Mosack didn’t start racing until he was 18 years old. He went on to win five Legends car championships before moving to Late Model stock cars in 2019. He graduated from High Point University in 2021 with a degree in business entrepreneurship. Mosack’s first Xfinity Series race with Sam Hunt Racing this season will be March 11 at Phoenix Raceway.

 

NASCAR weekend schedule for Los Angeles Memorial Coliseum

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NASCAR’s winter break ends this weekend as Cup Series drivers return to the track for Sunday’s Clash at the Coliseum in Los Angeles.

The second Clash at the LA Memorial Coliseum has been expanded to 27 (from 23) drivers for the 150-lap main event. Qualifying, heat races and two “last chance” races will set the field.

MORE: Drivers to watch in the Clash

Joey Logano won last year’s Clash, the perfect start to a season that ended with him holding the Cup championship trophy.

Los Angeles Memorial Coliseum (Cup)

Weekend weather

Saturday: Mostly sunny. High of 71.

Sunday: Partly cloudy. High of 66.

Saturday, Feb. 4

(All times Eastern)

Garage open

  • 2 – 11:30 p.m. — Cup Series

Track activity

  • 6 – 8 p.m. — Cup Series practice (FS1, Motor Racing Network, SiriusXM NASCAR Radio)
  • 8:35 – 9:30 p.m. — Cup Series qualifying (FS1, MRN, SiriusXM NASCAR Radio)

Sunday, Feb. 5

Garage open

  • 11 a.m. – 12:30 a.m. Monday — Cup Series

Track activity

  • 5 – 5:45 p.m. — Four Heat races (25 laps; Fox, Motor Racing Network, SiriusXM NASCAR Radio)
  • 6:10 – 6:35 p.m. — Two Last chance qualifying races (50 laps; Fox, MRN, SiriusXM NASCAR Radio)
  • 8 p.m. — Feature race (150 laps; Fox, MRN, SiriusXM NASCAR Radio)