Good morning was wondering if someone knows the best way to access the front of my 1976 barth to replace the water pump? Appears that removing the front tires may be my only option to gain access. The whole front is pop riveted together in front of the radiator. Any advise would be helpful.

Take out the radiator, probably a bolt on either side of the bottom and/or possibly only two one either side of the top holding brackets to index it in the bottom and side to side and front to back. Once it is out there is usually enough room to remove hoses and unbolt the pump. Given the fun you will have replace all hoses and belts. I haven't done this on a Barth but have on several cars and trucks, biggest difference is change of contortionist position, and not falling off the 5 gallon bucket doing cars and trucks. Good luck