So, not knowing what "Exner" is, would that be the "Incomparable" years as mentioned on the club website? Duh, sorry. :o( ----- Original Message ----- From: "Mark Evans" <evansma@xxxxxxxxxx> > This is for any of the Exner-era Imperials with the center-mounted > drive-shaft carrier bearings. If you want even more detail, Ernie Stepney > <estepney@xxxxxxxxx> should be able to help.