I`m working on a 1/5 on road revo http://www.rc-monster.com/forum/showthread.php?t=27755

Will this work?remember it will be light!

Differential Gear Ratio 2.8 revo
Transmission Gear Ratio 2.5
Other Ratio: 1
Spur Gear tooth count 40
Pinion Gear tooth count 21
Total Voltage 12.6
Motor KD36-74-06XL 2800kv
Tire Diameter 5.1 on road tire
Tire Ballooning (inches): 0
Motor Current Draw: 0
Motor Coil Resistance: 0.0042
Spur/Pinion Ratio: 1.9 : 1
Total Reduction Ratio 13.55311 : 1
Rollout: 1.18:1
Total Motor Speed 33986.4 RPM
Maximum Vehicle Speed 38.05 mph (61.12 km/h)
Effective KV Value: 2800