The Evans pump looks like a contender with an interesting impeller design. Oddly enough, the only place I can find it for sale is the Nightmare Performance link you provided. Both the manufacturer of the Evans and retailer appear reputable. I found an engine they built for a giveaway and used the Evans pump so they must have faith in it. I did have a private replay from someone with the Edelbrock that is very pleased with the performance. Private or not, I welcome any real experience with either pump.
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