[lincpimp]

Yep, 540 l can motors. For 7.4 you need a higher kv, like a 7l or a 6l, not sure how hot it will run though. If I were you I would buy another 7.4 5k pack and run a 10l or 12l and have a very cool running, powerful setup. My 10l on 4s is a beast and I get around 20-25mins on a 4000 4s maxamps lipo. It will make the crt.5 a little heavier, but the truck is already heavy and solid in my opinion.