LOSI Nastruck (Oval & On-Road)
v1Summary of recent changes
Official ThunderDome rulebook (rev 2026-01-09). Discipline: Oval & On-Road.
Spec sheet
- Notes
- 59T spur, 19T pinion; no sway bars; max battery temp 90F; SXT Black sauce only.
- Motor type
- Stock / sealed
- Spec motor
- Spektrum 4500Kv brushless (SPMXSEMC14/SPMXSEMC25)
- ESC
- Spektrum Firma 30A sensorless brushless (programming open)
- Blinky mode
- open
- Battery chemistry
- LiPo
- Cells
- 2S
- Max voltage
- 8.40V
- Spec tire
- Losi spec (LOS-1914 med / LOS-1937 soft) only
- Tire additive
- Spec sauce only
- Min weight
- 945 g
- Body
- Pro-Line truck bodies (Tundra/F-150/Silverado)
- Chassis
- Losi NASCAR kit
1.Chassis Spec
Losi NASCAR kit.
2.Weight Spec
Minimum 945g in race-ready trim.
3.ESC / Motor Spec
Spektrum Firma 30A Sensorless Brushless ESC. Stock ESC connectors to motor must be used. Any RC battery plug type may be used to connect battery to ESC. Spektrum 4500Kv brushless motor (Combo ESC & Motor SPMXSEMC14) (Combo ESC, Motor & Receiver SPMXSEMC25). ESC programming OPEN.
4.Gearing / Motor Plate
59t spur gear. Any 19T .5 mod pinion gear (2mm bore) Robinson Racing #RRP1819 used with SPMXSEMC14 combo; 19T stock pinion gear used with SPMXSEMC25 combo. Any adjustable motor plate allowed.
5.Radio / Receiver
Open radio & receiver.
6.Battery Spec
Open 2S lipo. Battery must fit in stock battery box in stock battery location. Any RC battery plug type may be used to connect battery to ESC. MAX temp 90F at tech table. 8.40 MAX VOLTAGE.
7.Tire and Wheel Spec
LOS-1914 (medium) or LOS-1937 (soft) tires & wheels only. Sidewall glueing allowed.
8.Body Spec
Pro-Line Tundra / Pro-Line F-150 / Pro-Line Silverado (Nastruck bodies only).
9.Miscellaneous
All Losi Nascar option parts and any aftermarket parts specific for Losi Nascar allowed. NO SWAY BARS ALLOWED.
10.Race Spec
3-4 minute heats/qualifiers – 50-250 lap mains (OVAL) / 5 minute qualifiers – 5 minute mains (ON-ROAD).
11.Tire Sauce
SXT Black ONLY.