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Hi all, this is a guide to my personal modifications to the Apple PowerMac G5 Quad rev.2 "dual-pump Delphi", pictured above. I will do my best to be thorough in my descriptions. Sadly I do not have pictures of my process in this version of the guide but I will be repeating this mod on another machine at some point in the next year or so in order to document the process properly and make a better-illustrated guide. In short, my mod involves removing the original DDC pump tops and replacing them with third-party blocks with multiple ports. This facilitates far easier draining and re