5.7 engine/ 6.2 radiator/ hoze question

[OLDCHEV4X4]

Hey Guys, Got a 1985 k3500 with a 5.7 in it. At some point in its life the front end was wrecked and had a small radiator put in it. So I came across a radiator out of a 6.2 truck and buy it. I have all the rubber mounts, shroud, trans cooler lines all figured out. The lower rad hose is gonna work but the upper one is too short. Tried the 6.2 hoze and its too short too.
Any body do this swap? What hoze did you use?
I could use the upper hose off a 72 truck with the steel tube and extend the strait piece, but would prefer not to. Its a spare for my other truck/Blazer.