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Built by racers for racers. Share your setups, tire prep ideas, race night results, tuning tricks, and track notes for Losi NASCAR racing.

Featured 17X Modified Setup

Track: Ron's Raceway
Class: Modified
Springs: Stock Springs
Shock Oil: 40wt LF/RF/LR - 35wt RR
ESC: Hobbywing XR14
Motor: 4600KV
Diffs: Stock Diffs
Notes: Stable under throttle and predictable through center corner.

Tire Prep Lab

BigDawg Track Tack Prep

• Asphalt Oval Focused
• Long Run Consistency
• Controlled Bite Increase
• Tested at Ron's Raceway