[Ryu James]

david,
if you are really going for looong run times talk to the guys at tekno RC. they all run low KV Neu motors on 6 cell batts for looong run times, cool temps, and sufficient power. they run like a 1515 or 1512 1300-1700 KV motor with a 6 cell. personally, i dont like the extra weight/size of the 6 cell batt. plus, i am telling you, if you just go with a 4s 5000 mah on a 1512 1.5D you will get 30 mins run, temps below 150 all day, and 65 mph+ speed. you cant go wrong. another good setup i run on my truggy is a Neu 1515 1.5D with a 5s 5000 mah. results are the same. both of these setups will turn your motor at about 50k-53k rpm. the Neus are capable of 60k+ rpm. so you are still being nice to you motor but doing 60-70 mph. have fun dude!!!!