Buy this motor:
http://www.tqrcracing.com/shop/produ....asp?p_id=2467
And this speed control:
http://www.tqrcracing.com/shop/produ....asp?p_id=6250
Set the timing to 45 degrees to start, check temps, keep adding till you get to 140 or so.
$140 and you'll NEVER have to touch it again. And it won't be slow.