Prebuilt Systems

What happens if Newegg Rebate expires before item purchased is sent to your house? You must put the box code into Rebate slip, so that could take a week to receive. Will rebate still work sent in after expiration from website or is it too late? It could take 2 weeks for item to be received and...

My loop consists of nickel, brass, and copper part. No aluminum whatsoever. Now this procedure does not involve changing pipes, or taking radiator or blocks apart, my buildup is very low in my loop , so I don't need deeep cleaning. For that I recommend, taking every part out and cleaning it...