Does anyone know what the flow rate of the stock pump is? I'm just wondering whether it's worth upgrading the pump and rad or if it would be better to go over to air/air? I have this hanging from the roof of my man-cave, you see:



And because it's going in here it's a bit of a blank canvas:

 

I'm assuming it's a transplant job? No idea what the flow rate is but I upgraded mine to a Bosch 010 version a few years ago. I think there's a few threads on them.