🚀 go-pugleaf

Now I know what that ST-251-1 sound is! (It never bothered me, tho).  I
use a "park" program to part the 251-1 and the 225 (still no bad sectors
after almost 4 years)

Now, similar to the sound of a 251 being autoparked:  My 1971 Maverick,
when I take my foot off the gas at, say, 55 miles an hour, does a similar
thing, which stops if I give it gas.  Tires/wheels are only bubble-
balanced, which might explain it, but the old tires did the same thing;
Short of getting the wheels balanced while they are on the car (to take into
account the brake drums and wheel weights), why doesn't the noise occur
at a constant 55 miles per hour?    
[I am also used to this noise, but the 251 discussion reminded me]