After getting my gear ratio more reasonable with Mike's new stealth 68t mod .8 plastic slipperential spur and 15t pinion. I ran my 1717 13.5lb savage last night on Terra-pins for 18min of speed runs up to 45-50mph, wheelies, and jumps on pavement. It only used up 4.5ah at 23v.(avg. of 250mah/min) The 1717 was a sizzling 110*f. My 1520 in a 12lb rc8t used 357mah/min. Not really Apples to Apples but it's something. I made a graph of my findings.