[pelikan]

Originally Posted by MMZ_TimeLord

My personal take on this is to leave it pretty much alone aside from rounding off this corner... should help your flow rate some... also... ream out the barbs so they are slightly larger and taper their openings to the inside of the block.

I like the idea of reaming out the barbs. I'm also going to see if I can fit straight barbs instead of the ones with 45's.

I still want to get rid of the copper in the middle of the block but maybe that's a bad idea for flow?

Here's a rough rendering of what I'm thinking for the block. The black dots are holes drilled to a depth that leaves maybe two or three mm of base thickness: