Originally Posted by ThisIsLivin

You'll have to excuse my brevity on my previous post. I didn't take the time to give a dissertation on the thermal, hydraulic, mechanical, and budgetary calculations made in the process of building my motor. This is not my first time around the block. I passed my master mechanics exam in 1980 and gave up my Auto repair business to pursue a career in Engineering. I was simply trying to give a thumbnail overview of what works for me. The water temps I boat in, vary almost 50 degrees and have to be considered as well. I monitor every operating condition of my motor closely and given the varied ambient conditions and desired performance levels, my system as a whole is operating as it should.