With a swiftech MCW6000, a BI pro II radiator, and 3/8" plumbing I get about 26" of water pressure drop through the system with a CSP750 (14" across the MCW6000, 12" across the BI Pro II). If their curves are accurate that's about 100gph. For this system running 2 pumps in series would only increase flow about 10% judging from the curves. After fooling around with my pumps for awhile they seem to break in a bit. The pressure drop has slowly increased by about 10%, and the noise level has gone up some. One is substantially noisier than the other. I think the seal is wearing in and loosening up some. You'll need to rest these on a block of foam or something since they can conduct a significant amount of vibration to the case.
|