JimmyDuncan Well-Known Member Joined Oct 29, 2009 Messages 273 Feb 13, 2010 #1 Do you need to run a water jacket on your motor on a P-Spec Tunnel Hull?
raptor347 Well-Known Member Joined Feb 24, 2005 Messages 842 Feb 13, 2010 #2 You can push these motors pretty hard on the tunnels. Keeping the motor cool is a good thing. Water is far more effective than air. So, yes water cool it.
You can push these motors pretty hard on the tunnels. Keeping the motor cool is a good thing. Water is far more effective than air. So, yes water cool it.
