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John, I used to run Aeroflow lift pumps and found them reliable until they started dying after a short period. I switched to Carter Black and have not had any problems. I switched to Aeroflow for the priming pump after the Davis Craig unit crapped out, ran fine and easy to swap over, but didnt last long as mentioned. Time will tell with this new unit, should be better, certainly its heavier and larger than the Aeroflow , which is a lot heavier than the Davis Craig unit. Both of the smaller ones are now in the bin. Noise wise there isnt any change and I used HD rubber isolation mounts to dampen the noise - but then again this car make a lot of noise with the s/c and lift pumps and interchiller pumps and fans, so all good.