Hi Geoff. I never heard that one before for Northstars and we were a Chev, Olds Caddy dealer, so we had the Premium V engines, 4.6L in Cadillacs, 4.0L in Auroras.

The "diapers" were for coolant pump weep holes on Quad 4s.

Most Northstars weeped and unless ... Login to read more.