Nascar Iowa Speedway Pre Race Thread
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StandOnIt
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Goodyear Fast Facts — Iowa
The June 3-4 Goodyear tire test at Iowa Speedway provided valuable data from all three of NASCAR Cup Series’ OE manufacturers: Kyle Busch (Chevrolet), Austin Cindric (Ford) and Chase Briscoe (Toyota). As such, Goodyear will bring new left and right side tires for the 0.875-mile lap.“Iowa presents a unique challenge with the speeds and sustained loads, as well as the two different ages of asphalt on the surface,” said Rick Heinrich, Goodyear NASCAR product manager. “The new race recommendation of Goodyear Racing Eagle tires for the Cup Series is ready for that challenge, as shown during the June test.”
A new right side tire for the NASCAR Xfinity Series will also be used this weekend. It was tested by Christian Eckes (Chevrolet) and Dean Thompson (Toyota) also at the June test. Xfinity Series teams will race the same left side tire as in the last two rounds at Dover and Indianapolis.
Fast Facts
NASCAR Cup Series
Race: Iowa Corn 350 Powered by Ethanol (350 laps / 306.25 miles)
Track: Iowa Speedway (0.875-mile oval)
Date/Time: Sunday, August 3, 3:30 p.m. ET
TV/Radio: USA, MRN, SiriusXM NASCAR Radio
Tire: Goodyear Racing Eagle
Tire Code: D-5244 left side, D-5266 right side
Previous Usage in 2025: first use (both sides)
Tire Circumference: 2,263 mm (89.1 in.) left side, 2,277 (89.6 in.) right side
Recommended Minimum Inflation: LF – 14 psi, RF – 30 psi, LR – 14 psi, RR – 28 psi
Total Dry Weather Sets: 11 (9 new race / 1 qualifying transfer to race / 1 practice)
Total Wet Weather Sets: 4
Blaze
The Midnight Rider
Best looking cars this weekend
hmmm298
Drunk Fan
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Should be Timmy Hill driving it.
Efisher131
750 truther
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So nice of Austin Hill’s family to sponsor cars for smaller teams while he sits out this weekend.
MRM
Team Owner
Austin does look like grown up Bobby.
Charlie Spencer
Road courses and short tracks.
StandOnIt
Farm Truck
I wonder how much propane that thing will burn?
StandOnIt
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StandOnIt
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SeventyGTX
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Watching practice and got reminded of how annoying Burton is.
Thank gawd for mute buttons.
Thank gawd for mute buttons.
StandOnIt
Farm Truck
Lol, I already checked the Nascar site to see if they had radio.
StandOnIt
Farm Truck
A lot of the drivers are saying on the radio that the tire isn't falling off.
StandOnIt
Farm Truck
StandOnIt
Farm Truck
Briscoe says it is going to extremely hard to pass tomorrow.
Charlie Spencer
Road courses and short tracks.
Let's hope he's wrong.
Jorge De Guzman
RESIDENT NASCAR STATESMAN and/or REGIONIONALIST.
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Not Iowa, but both Chase Elliott and Kyle Busch are at tonight’s Braves vs Reds MLB game in Bristol! Chase loves his Braves
StandOnIt
Farm Truck
HoneyBadger
I love short track racing (Taylor's Version)
I wish this race was on Peacock but I got a 
ship now.
ship now.
Greg
2014 RF YAHOO CHAMP Your leader
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"Dang ol'," "man," and "I tell what" I seriously wish Boomhauer would replace the Gerbils.
StandOnIt
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LukeWatts05
Jackman
You guys saw kyle busch wreck in practice?
pjmolo
Director of driver attitude adjustments . . .
Replays of Busch's wreck accompanied by a full minute of non-stop Jeff Burton babble.
https://www.nascar.com/videos/franc...busch-wrecks-during-iowa-cup-series-practice/
KTMLew01
Team Owner
Usually happens after pitst...Oh wait? Not what they meant.