Hey Iboats!<br />This past weekend, I replaced a worn impeller in my I/O. (1977 Glastron T179, 140 Merc/GM 3.0, with MR outdrive. SN: 4648535, also stamped: 1.98R)<br /><br />Everything went smooth until I decided to run it a bit again on the muffs again today (mostly to fell good about a job...
