Originally Posted by drostedrummer89
I would use as close to stock size as possible. I'm most worried about the small size of the thermostat to radiator, and radiator to water pump. If anything I would have gone bigger than stock. you are running 3-4X the horsepower, you need as much flow thru that radiator as possible.
The thermostat-to-radiator is a -16 line. It's over an inch across. It's as big pretty much as stock. I'll show you a picture lol