Lehner Basic XL 2800 on 24 volts?

[MetalMan]

Lipos don't catch fire unless misused extremely badly...

36 cells with a 3000watt motor is the way to go ;). Just hope that it doesn't roll or hit anything at full throttle!
The batteries are the limit, so the cheaper you go on batteries, the lower the performance. If you went with IB3800s, you could push out more power than with GP3300s.