Put a Champion 526 radiator in a 71 swinger?

.............how about that upper radiator hose # :D

Goodyear #60878 (upper) and #60880 (lower). Summit has them listed for '70-76 V8 Darts, but if that's the radiator you're using they should work.

http://www.summitracing.com/parts/gtr-60878

http://www.summitracing.com/parts/gtr-60880