Almirola, Dillon win Daytona Duels. Bowman's Daytona 500 pole in jeopardy

What should have been a tune-up for the Daytona 500 might have cost Hendrick Motorsports the front row for NASCAR's version of the Super Bowl.

Alex Bowman and William Byron were slated to lead the Daytona 500 field to green but that's in danger following Thursday night's qualifying races. Bowman had an engine problem in the first 150-mile race and, if his motor needs to be changed, he'll forfeit Sunday's pole.

Byron was collected in a crash in the second Duel and it ruined his Chevrolet. He needs to move to a backup car for the 500 and the swap sends him to the back of the field.

"Bummer," Byron said. "Man the thing was fast."

Aric Almirola won the first race. After a rain delay pushed the second Duel into a Friday morning finish, Austin Dillon used a cross-over move on Bubba Wallace to beat Wallace to the checkered flag.

Almirola in a Ford is slated to start behind Byron but will slide up to the front row when Byron falls to the back. Dillon in a Chevrolet will wait to see if Hendrick changes Bowman's engine this weekend.

Austin Cindric and Kaz Grala both earned their first berths into the Daytona 500 by claiming the two available transfer positions in the Duels. Ty Dillon, Timmy Hill, Garrett Smithley and Noah Gragson all failed to advance.

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Smithley and Gragson were racing each other for the transfer spot in the second race when Smithley tried to duck around Gragson. Brad Keselowski on his outside wasn't expecting Smithley to fill the gap and the two collided, starting a wreck that eliminated both Smithley and Gragson.

Byron also was caught in that crash.

Bowman sensed a problem with his engine and rather than push it too far, he drove to pit road during the first race to give his No. 48 crew a chance to save his pole-winning run.

"I don’t want to keep running it," Bowman radioed.

The team got his car back on track but must decide if it needs to make a pre-emptive engine change or gamble the one in the car now can go the distance Sunday. Winning the 500 pole is prestigious but actual starting position matters very little in a 500-mile race at Daytona.

"I feel like we did a good job understanding it and hopefully we are able to diagnose it and make sure everything is good," crew chief Greg Ives said of the work ahead.

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Meanwhile, Wallace in his debut for the new 23XI Racing team owned by Michael Jordan flirted with his first win in a Cup car. He was the leader on the final lap of the second Duel until Dillon crossed to Wallace’s inside and inched ahead.

Wallace tried to hold it steady but wobbled after banging doors with Dillon.

"Good debut but nothing to be really happy about myself," Wallace said. "It’s OK for drivers to be hard on themselves — that’s how we motivate ourselves. I know I’ve got a lot to learn here."

Cindric and Grala both got into their first Daytona 500 through NASCAR's quirky qualifying for its biggest race of the year. The race had 48 entrants for 40 slots, but all but four are claimed by teams with guaranteed entry.

It pitted eight drivers for four spots, with two awarded to David Ragan and Ryan Preece in Wednesday's time trials. The other two spots were open to the highest-finishing "open" cars in each Duel — unless the highest finisher was Ragan or Preece.

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Preece passed Ty Dillon in the final stretch of the first race, and even though Dillon finished sixth out of 22 cars, the transfer spot dropped to Cindric based on his qualifying speed from a day earlier.

"Some days it’s your day, I guess," said Cindric, who found Dillon on pit road and shook his hand after the finish.

Grala's transfer was similar as Ragan was the highest-finishing open car in the second Duel, and Smithley and Gragson were part of the wreck that collected Byron.

Almirola won his first career race at Speedweeks and the Tampa Bay native noted its been a good week; The Buccaneers won the Super Bowl and Almirola thinks he's got a shot at winning NASCAR's version of the Super Bowl.

"This thing was a hot rod. Our race car is so fast," Almirola said. "We’ve got an incredible race car and I can’t wait for the Daytona 500."

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The Daytona 500 is scheduled to start at 2:30 p.m. EST on Fox

Here is the tentative starting lineup for the race:

1.Alex Bowman No. 48 Hendrick Motorsports

2.William Byron No. 24 Hendrick Motorsports

3.Aric Almirola No. 10 Stewart-Haas Racing

4.Austin Dillon No. 3 Richard Childress Racing

5.Christopher Bell No. 20 Joe Gibbs Racing

6.Bubba Wallace No. 23 23XI Racing

7.Ryan Newman No. 6 Roush Fenway Racing

8.Kevin Harvick No. 4 Stewart-Haas Racing

9.Joey Logano No. 22 Team Penske

10.Kyle Busch No. 18 Joe Gibbs Racing

11.Ryan Preece* No. 37 JTG Daugherty Racing*

12.Chase Elliott No. 9 Hendrick Motorsports

13.Kyle Larson No. 5 Hendrick Motorsports

14.Ryan Blaney No. 12 Team Penske

15.Daniel Suarez No. 99 Trackhouse Racing Team

16.Corey LaJoie No. 7 Spire Motorsports

17.Michael McDowell No. 34 Front Row Motorsports

18.David Ragan* No. 36 Front Row Motorsports*

19.Jamie McMurray No. 77 Spire Motorsports

20.Kurt Busch No. 1 Chip Ganassi Racing

21.Ricky Stenhouse Jr. No. 47 JTG Daugherty Racing

22.Chris Buescher No. 17 Roush Fenway Racing

23.Matt DiBenedetto No. 21 Wood Brothers Racing

24.Brad Keselowski No. 2 Team Penske

25.Denny Hamlin No. 11 Joe Gibbs Racing

26.Martin Truex Jr. No. 19 Joe Gibbs Racing

27.Cole Custer No. 41 Stewart-Haas Racing

28.Joey Gase No. 53 Rick Ware Racing

29.Tyler Reddick No. 8 Richard Childress Racing

30.Chase Briscoe No. 14 Stewart-Haas Racing

31.Erik Jones No. 43 Richard Petty Motorsports

32.Derrike Cope No. 15 Rick Ware Racing

33.Quin Houff No. 00 StarCom Racing

34.Ross Chastain No. 42 Chip Ganassi Racing

35.Cody Ware No. 51 Rick Ware Racing

36.Anthony Alfredo No. 38 Front Row Motorsports

37.Josh Bilicki No. 52 Rick Ware Racing

38.BJ McLeod No. 78 Live Fast Motorsports

39.Austin Cindric* No. 33 Team Penske

40.Kaz Grala* No. 16 Kaulig Racing