I haven't had a chance to fix my Heater core O-Ring leak and decided to bypass it till after Christmas. I used two copper 3/4" 90degree Elbows with a 1" X 3/4" Copper pipe soldered in the middle to form a U. Once made, this swill be a good item to carry in your tool bag for those rainy RR days.
Got the Copper Elbow from:
http://www.lowes.com/lowes/lkn?action=p ... lpage=none
Got the Copper Elbow from:
http://www.lowes.com/lowes/lkn?action=p ... lpage=none