Same here. The Edelbrock pump I bought was supposed to be "quiet". Not sure how they define "quiet" but it really was obnoxious! Put the pump inside the gas tank if at all possible.
was that the carb pump? I had a summit red carb pump.(off label edelbrock). It was louder than everything in the car. the GSL392 is sorta quiet, but still noticeable.
There is also the option that superdve used on his 2jz scamp: