Grandview and Big Diamond Speedways Announce Major Rule Changes for 2025 Season
Racing Rules Update: Grandview & Big Diamond Speedway Changes for 2025
Major changes are coming to both Grandview and Big Diamond Speedways for the 2025 racing season. Here are the key updates that affect competitors:
Two dirt track racers competing
Key Rule Changes:
- Left side pan hard bar suspension eliminated for 358 Modified and 602 Sportsman races
- Wheel covers must be bolted on or secured under bead lock ring
- Third circuit carburetors prohibited
- Lithium batteries banned for safety reasons
- DIRT-approved race car body panels temporarily allowed
Additional Updates:
- Freedom 76 tire compounds changed to right rear 48 or 50 only (53 compound eliminated)
- Engine sealing available for Modified teams ($200)
- 602 engines can be rebuilt at KB Performance under RUSH Racing supervision
Track Improvements:
- 64 tri-axle loads of fresh clay added to racing surface
- Facility upgrades completed during fall 2024
2025 Special Events:
- April 5: 63rd Opening Night - Bruce Rogers Memorial
- May 20: High Limit Racing 410 Sprint Car Series
- June 17: USAC National Sprint Car Series Eastern Storm
- July 1: Pennsylvania 410 Sprint Car SpeedWeek Series
- July 12: 55th Sportsman FIRECRACKER 40
- August 9: 55th Modified FORREST ROGERS MEMORIAL 50
- September 19: 12th Freedom 38 Sportsman Championship
- September 20: 55th Freedom 76 Modified Championship
Season passes are available for $400, covering all Saturday night events except Thunder on the Hill specials and Outlaw Enduro/Vintage Series races. For technical questions, contact officials Cliff Quinn (484-357-2587) or Ed Scott (610-298-2408).
Related Articles
MSR Acura Sets Pace in First Roar Before the 24 Session
