Originally Posted by Vinny P

looks like you have a 502 mag belt system, that will still work but we'll maybe have to make a custom crank pulley adapter.

Originally Posted by Vinny P

I currently have a real nice 540. Makes about 700 hp. I am in the process of gathering parts for a new engine. I have a Dart block, 4.375" Callies Magnum crank, 6.385" Lunati Pro Mod Rods. Originally, I was thinking of just building an NA 565" , not so much for any additional power over my 540, but just to have a fresh bottom end ready to go. Then, the bug or disease that we all have started bitting me. I am now thinking of building a supercharged 565. I build all my own engines, but have never built a supercharged engine before. I wanted to go with a Whipple. I havent talked to Dustin yet, hopefully he will see this and chime in. Anyway, would a 3.3 or a 5.0 be the right choice? Not looking to make real crazy power, maybe 850-900 with the right pulleys. Then as all you blower guys do, swap pulleys if I only feel the need for less power. I understand the theory of spinning the 5.0 slower than a 3.3, less heat with bigger blowers, etc.. But, I am thinking that the 3.3 would be enough. I was wanting to use my AFR315CNC heads from my 540. Dont want the extra expense of another set of heads. I have heard that there has been an issue with rear bearing failures, any truth to that?
My next hurdle would be the fact that I run only in salt water and refuse to give up my closed cooling system. I would have to relocate the heat exchange tank. Currently, it sits on top of the engines water pump. I am thinking I can mount it down in the bilge. Plumbing it would not be too big a problem, but would the water pump handle pushing the water down to the heat exchanger and back up to the engine? I am fairly confident it can at speed but what about idling through no wake zones? Obviously, a crossover is not an option.