Playoffs/South Point 400 Pre-Race Thread

StandOnIt

StandOnIt

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Las Vegas Motor Speedway
2:30pm/et, Sunday, October 15
TV: NBC
Radio: PRN, SiriusXM
Stage Laps: 80/165/267
Practice/Qualifying: 12:35-2:30pm/et Sat., Oct. 14. TV-USA.
 

Goodyear Fast Facts: Las Vegas​

GOODYEAR TIRE NOTES
NASCAR Cup Series — Race No. 33 – 267 laps / 400.5 miles Las Vegas Motor Speedway (1.5-mile oval) – Las Vegas, Nev.
Fast Facts for October 14-15, 2023

Tire: Goodyear Eagle 18-inch Speedway Radials

Set limits: 1 set for practice, 1 set for qualifying and 9 sets for the race (8 race sets plus 1 set transferred from qualifying)

Tire Codes: Left-side — D-5186; Right-side — D-5190

Tire Circumference: Left-side — 2,263 mm (89.09 in.); Right-side — 2,279 mm (89.72 in.)

Minimum Recommended Inflation: Left Front — 20 psi; Left Rear — 22 psi; Right Front — 50 psi; Right Rear — 46 psi

Storyline– Much goes into determining Las Vegas tire set-up: Las Vegas Motor Speedway has traditionally been known as a low tire wear track. Over the past several years, the track surface has begun to age and that, in addition to a compound change at the beginning of last season, has brought wear more into play. The other factor at Las Vegas, as it is across the board, is the teams’ search for grip. While that compound change has added mechanical grip, teams use many tuning tools to add aerodynamic grip. Getting the rear end of the Next Gen car out of the air and sealed off is the goal, and one way teams do that is by running less air in the rear tires. Of course, running air pressures below Goodyear’s minimum recommended pressures causes the sidewall to over-deflect, potentially breaking down the components of the tire and often leading to air loss. Goodyear updated the construction of both the left- and right-side tires that are run at Las Vegas last fall, giving teams a little more flexibility in making set-up choices. As it does every weekend, Goodyear engineers have made available a lot of data leading into Las Vegas and will continue to work with teams at the track.
“We are finally seeing a little bit of tire wear at Last Vegas over the past several races,” said Greg Stucker, Goodyear’s director of racing. “While that is something teams need to factor in, finding grip will be paramount this weekend. We have instituted several construction updates since the advent of the Next Gen car, including one that we rolled into the tire set-ups at Las Vegas, Kansas and Texas last fall. That has opened up the playbook for teams a little bit in their car set-ups. Having said that, we provide teams with data that shows how important air pressures are, along with camber settings, in balancing performance with the life of the tire.”
Notes – Third straight Las Vegas Cup race on this tire set-up: Being on 18-inch bead diameter tires, NASCAR Cup teams will run a different tire set-up than those in the Xfinity Series at Las Vegas this week . . . this is the same combination of left- and right-side tires that Cup teams have run at Las Vegas since last October . . . they have also run this same tire set-up at Auto Club, Kansas (twice), Nashville and Pocono in 2023 . . . with this 18-inch tire, and its lower profile sidewall, NASCAR Cup cars will not run inner liners in any of their tires in 2023.
 
So excited for this one, and this round of 8 in general.

Nothing defines NASCAR more than intermediates imo.

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Larson is the driver to beat at Vegas and Homestead and should grab one of them.

Most speed at the 1.5s this year imo.

With the exception of rhe coke 600 (where he wrecked in the top 10) and Texas, where he wrecked with having the fastest car by a few tenths, his avg finish is 2.7.

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I can hear it now. Boomer: Jeff do you think the eclipse will be an advantage in qualifying??.. Jeff: yeah Rick, it could mean the difference between one and two tenths, big playoff implications if the teams time it right.
 
AdoubleU24 said:
Pain.

Looks like Larson was a corner away from the same fate
Click to expand...
Makes you wonder what the game plan was this weekend and how similar the 9's setup is to the 5's.

5 comes down pit road feeling like there's a RR going down, 9's RR goes down seconds later.

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jaqua19 said:
Makes you wonder what the game plan was this weekend and how similar the 9's setup is to the 5's.

5 comes down pit road feeling like there's a RR going down, 9's RR goes down seconds later.

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Click to expand...
That happening in only 15 laps is crazy
 
Just tuned in and saw them interview Elliott and pulling out the backup. What happened?
 
SeventyGTX said:
Just tuned in and saw them interview Elliott and pulling out the backup. What happened?
Click to expand...
RR tire.

Larson came down pit road feeling a tire going down. Right rear.

Elliott had the same issue less than 20 seconds later, popped and tore the car cup

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