Need help positioning pump

[Centurion]

Well, I'm designing a completely custom WC setup currently...I have all the parts I need, and have a basic idea of what I would like to do, but I need some advice...

Parts list:
77' Bonneville HC w/AC
Pump: MCP655
WB: Swiftech Storm

Here is a simple design of what I would like to do....

http://photos26.flickr.com/39092774_34baeb2dc6_o.jpg

Basically, that would be the top of my case, and I would like to suspend/mount my HC on a wire frame, and build that little black panel into a fan controller. (which I have to look up how to do here tonight...I'm taking basic electronics in HS right now so It's not logic to me yet lol)
For visuals, I've thought of mounting UV leds around the frame and painting the HC with some uv paint...not too sure yet, and at the moment that's not very important...

What I'm worried about is my pump. I'm not sure how much of a performance difference I can expect having the pump 2 inches or 10 inches away from my waterblock.

Please ignore the terrible wiring, I've been moving stuff around constantly all because I'm going to need to take it all out and redo it so I didn't care how messy it got for now.

Option 1...
http://photos32.flickr.com/39104506_62c1adb619_o.jpg

Text reads:
I could remove this fan and have the pump mounted so it would travel a good 2 inches to the waterblock, but it would also just block the the view of the waterblock...

Option 2...
http://photos32.flickr.com/39106555_b240c624c0_o.jpg

Text reads:
Or I could mount the pump in my hard drive bay, and have a distance of 6-10 inches of tubing from the WB to pump and plenty more to the HC...this doesnt seem like the smartest way to go...

Option 3...
Just mount the pump up top right by the radiator.

Any advice and reasons would be very appreciated. I am VERY open to suggestions and input. Thanks!

[Voodoo Rufus]

Tubing lengths for an internal setup are the least of your concerns with the pump and blocks you're running. Run what is most convenient for you. 2 inches or 10 inches won't make a whole lot of difference if you're running a 1/2" ID setup.

[fabo]

Hmm personally I don't think that positioning the pump does matter to temps at all. So I wouldn't bother myself with it. I would pöace the pump where ever it sits best and is easy to service. (if ever needed) In my WC setup pump is located on top of the floppy drive, because it was the easiest spot for it.

Here (http://www.ee.oulu.fi/~fabo/jaahy/) is some pics from my setup and you can see how the tubing is done. The pump is located in front of the lower end of the resevoir on top of the floppy drive.

[PoX Freak]

IMHO, I think the pump should flow into the HC first, and then from the HC to the waterblock. Temps won't drop too much over pump-wb-hc->pump, but flow will be better biased and not as costrictive, so the pump won't cavitate at all.

[Voodoo Rufus]

IMHO, I think the pump should flow into the HC first, and then from the HC to the waterblock. Temps won't drop too much over pump-wb-hc->pump, but flow will be better biased and not as costrictive, so the pump won't cavitate at all.


What do you mean by "better biased" and "not as contrictive"? I think you mean restrictive. While you are correct in that there is not much temperature variation across the entire coolant loop, the positioning of the components will not affect the flow rate at all unless there is a difference in total tubing length. The pump makes very little difference in the temperature of the coolant before and after it, unless you run some absurdity like the Iwaki MD30 that Nikhsub1 uses. But he has a radiator and enough fans to deal with it in his loop.