We tried it today on pavement, it's incredibly fast!! Much more power than with the .28 engine.

My friend used three tanks of nitro in his Jammin and the electric hyper was still going strong, that's about 25mins of run. Motor/ESC where cool and the packs recharged 2600mAh, so the buggy can run for 30min if we use 80% of the total capacity. That leave place for lighter, smaller 2200mAh packs and still keep run time over 15 mins.