the FP site lists "external rubber mounts" as an optional accessory. i took a look at the genset mounting in the boat and noticed that rubber mounts are inside the sound cover, but there are no rubber mounts under the external bolts. has anyone used theses additional mounts under the external bolts to increase sound deadening? i sent an email to gw today to see if there was any reason they are not used - figured someone here may already know. if there isn't a reason not to use them, i intend on installing them in the spring. thx, ron