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post #325 of (permalink) Old 06-10-2018, 07:30 AM - Thread Starter
Barefooter
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Tubing the VRM and CPU blocks

It turned out to be not so easy to connect a tube from the VRM block to the CPU block. The CPU block sits about 2.8mm higher than the VRM block does. I have every type of 90° fitting, and every length of extension in my assortment of fittings on hand, and yet I was not able to get anything to work just using fittings and straight tubing.

If these two water blocks were close to the same height I could have just used two 90s and a straight piece of tubing. So this little short tube run from VRM block to CPU block here actually required eight fittings!




To connect the lower radiator to the other side of the VRM block the only thing that I could get to work was two dual rotary 90s in the CPU block with a single rotary 90 and extension into the radiator.




Now this does work, however I just don’t like it.




I decided to try bending some tubing to see if that would look better. It’s not quite level here.




I also had to put another single rotary 90 on the radiator extension to offset it more to the outside or there was not enough room for the bend.






Next is to bend a u shaped piece to connect the VRM block to the CPU block.




This tube was not easy to do! The sides have to be perfectly parallel and exactly 71mm from center to center for it to fit properly. This was my sixth attempt




I’ve been using only straight tube and fittings so far for this build, but now that I really need to bend tubing for the motherboard area, I think I’m going to change out all the tubing at least in the areas that have external 90 degree bends.

I swapped out the tube to the left of the reservoir on this side to see how it looks next to the other side with the 90 made out of fittings.










What do you think?

Do you like the tubing with bends better, or do you like the tubing with fittings better?

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