I've got the new Holley HP150 w/ the gearotor style pump. It's pretty dang quiet. Can't hear it over the engine, and just a bit of a hum when the engine is off.
1968 Plymouth Fury III 4-Door: 12.79 @ 115, 60'- 1.93 (Hey... it's a Cruise ship... what do you expect?!) Famoso Raceway, 02/08
