Tech Section: Ilmor 396 Spec V8 & Chassis Adaptation
The transition from the high-dirt friction, heavy slip angles, and deep cushions of the Springfield Mile to Madison's high-banked paved short oval requires an immediate pivot in chassis setups.
Engine Specifications & Gear Ratios: All entries utilize the 396-cubic-inch Ilmor 396 ARCA Spec V8 engine equipped with Holley EFI, producing roughly 700 horsepower. Teams pair this powerplant with low rear-end gear ratios. Why? The Ilmor V8 combined with low rear-end gearing maximizes instantaneous throttle response and torque multiplication out of the corners. So What? This mechanical configuration accelerates the car's launch off Madison's tight, sweeping corners, making throttle control and rear-tire traction off the corner the decisive variables in maintaining a championship pace.
Goodyear Tire Package (D-Series Short-Track Radials): Teams run the ARCA-coded D-series short-track radial compound specifically engineered for high-load, short-track paved ovals. Why? Madison's abrasive asphalt creates moderate right-rear thermal degradation. So What? Corner-exit drive will drop off significantly after 35-lap green-flag runs, making tire conservation during the opening 75-lap stint absolutely critical. Drivers who abuse their right-rear tire early will find themselves defenseless on the long run.
Teamwork & Garage Telemetry:
- Joe Gibbs Racing (#18): Utilizing the exact same chassis geometry that Max Reaves took to victory lane at Madison last season. Why? To establish a stable baseline focusing setup telemetry on center-corner rotation. So What? Reaves enters with a proven mathematical model, allowing crew chief Matt Ross to focus on fine-tuning track-bar adjustments as temperatures fall.
- Nitro Motorsports (#20 & #70): Implementing twin-chassis data sharing between championship leader Jake Bollman and challenger Thomas Annunziata. Why? To optimize right-rear wedge and cross-weight adjustments in real-time. So What? Sharing data minimizes setup errors, neutralizing the risk of a single-car setup failure and protecting their 1-2 points position.
Weekend Intelligence History (Cumulative Archive): As this is the v2 Initial Cumulative Pre-Race Update, there are no prior session logs (such as practice or qualifying times) to archive. However, the historical baseline from the 2025 event serves as our "Hard Asset" reference:
- Max Reaves (#18 JGR Toyota) dominated the 2025 race, starting on the outside pole and leading 199 of 200 laps to claim what was his second career national series victory. This confirms the JGR perimeter chassis has an elite mechanical rotation signature at this facility.
- Isabella Robusto (#55 Nitro Motorsports Toyota) finished a strong 4th at Madison last season, demonstrating high lateral tire-saving discipline through the 18-degree banking.
- The 2025 event marked the return of the ARCA Menards Series to Madison following a six-year absence, confirming "Wisconsin's Fastest Half-Mile" as a premier short-track testing ground.
Starting Grid / Entry List: Official Atlas 200 Lineup
| Car No. | Driver | Hometown | Sponsor | Manufacturer | Team Owner | Crew Chief |
|---|---|---|---|---|---|---|
| 10 | Tony Cosentino | Mansfield, OH | Fast Track Racing | Toyota | Andy Hillenburg | Mike Sroufe |
| 11 | Mike Basham | Henryville, IN | Sandy Basham Racing | Ford | Andy Hillenburg | Joseth Carabantes |
| 12 | Takuma Koga | Nagoya, Japan | Susumoto Chemicals/Fast Track Toyota Racing | Toyota | Dustin Hillenburg | Andrew Kiernan |
| 18 | Max Reaves* | Trinity, NC | Cook Out | Toyota | Joe Gibbs | Matt Ross |
| 20 | Jake Bollman* | Hunting Beach, CA | Nitro Motorsports | Toyota | Joe Tovo | Doug George |
| 25 | Will Robinson* | Wilson, WY | Mander Collision & Glass | Toyota | Nick Tucker | Shane Wilson |
| 28 | Carson Brown* | New London, NC | Grizzly Coolers | Chevrolet | Mark Webb | Steven Dawson |
| 36 | Ty Fredrickson* | Webster, MN | Hermans Landscape Supply/Rack Shack BBQ | Toyota | Dan Fredrickson | Dan Fredrickson |
| 42 | Taylor Mayhew* | Atascadero, CA | MMI | Chevrolet | Bruce Cook | Sean Samuels |
| 48 | Brad Smith | Shelby Township, MI | Hillmann Family Of Companies | Ford | Brad Smith | Dan Walden |
| 55 | Isabella Robusto | Fort Mill, SC | Mobil 1 | Toyota | Joe Tovo | Glenn Parker |
| 70 | Thomas Annunziata | Colts Neck, NJ | JBL | Toyota | Nick Tucker | Shannon Rursch |
| 77 | Tristan McKee* | Kannapolis, NC | Zeigler | Chevrolet | Mark Webb | Kevin Reed Jr |
| 79 | Isaac Kitzmiller* | Maysville, WV | A.L.L. Construction/Carter CAT | Chevrolet | Codie Rohrbaugh | Doug Howe |
| 81 | Kevin Campbell | Bolivar, MO | 1st Phorm | Chevrolet | Kevin Campbell | Mason Campbell |
| 83 | TBA | TBA | CRI0386.com | Ford | Brian Clubb | N/A |
| 86 | Jeff Maconi* | Wilbraham, MA | CRI0386.com | Ford | Alex Clubb | Chris Porter |
| 91 | Austin Vaughn* | Burnsville, MS | TMI Gifts/Wood Sales Inc | Ford | Michael Maples | Kenna Long |
| 97 | Jason Kitzmiller | Petersburg, WV | A.L.L. Construction/Carter CAT | Chevrolet | Codie Rohrbaugh | Frank Kimmel |
| 99 | Michael Maples | Choctaw, OK | Maples Motorsports | Chevrolet | Michael Maples | Chris Vanscoy |
| 03 | Alex Clubb | Morris, IL | CRI0386.com | Ford | Alex Clubb | Brian Clubb |
| 06 | Daniel Sasnett* | Auburndale, FL | Peterson Motorsports | Ford | Wayne Peterson | Nate Moeller |
* Denotes rookie eligibility. (Note: Ty Fredrickson is entered under Toyota in the raw entry list with owner Dan Fredrickson, but is associated with Fredrickson Racing Chevrolet in some paddock reports; Will Robinson's #25 is a Nick Tucker Toyota entry cooperating with Nitro Motorsports roster rotations; Carson Brown's #28 is a Mark Webb entry representing Pinnacle Racing Group; Taylor Mayhew's #42 is a Bruce Cook entry representing Cook Racing Tech; Tristan McKee's #77 is a Mark Webb entry representing Pinnacle Racing Group; Isaac Kitzmiller's #79 and Jason Kitzmiller's #97 represent CR7 Motorsports with owner Codie Rohrbaugh. Gavan Boschele, who was involved in the controversial Springfield finish, is not listed on this week's entry list).