Quote: ...And it must have the correct balancer and rods to boot, right?
thats a given since BOTH the 440-4 and the 6 pk have the same rods and balancer .
........which means you can't use the rods and balancer to determine if a motor is a 6-Pack or not. All HP motors used "6-Pack" rods and balancers (which make you wonder why the heck they called them "6-Pack" rods).