I normally run my nitro buggy and truggy at the local off-road track. I wanted to try something different so I got a Kyosho Lazer ZX5 and I installed a Mamba Max 7700. Normally at the track my nitro cars tap out around 34mph down the main straight (about 50 feet). My Kyosho using regular 3300 NiMH batteries was able to keep up with the nitro cars. I got a Maxamp 6000HV 2S2P lipo pack today and put it in the Lazer and took it for a spin around the block. WOW.. this thing has to be twice as fast as it was before the lipoís. Next time I get out to the track I will radar it and see how fast it is going now. I canít believe how much the NiMH battery was holding back the motor.