Looks like a 77 PL10 LE; Kind of. It has Stronglght Crank, Mafacs, the rest you can see for yourself.
Not a cheap bike, a nice one. If I could get a handle on the creepy way the forum looks, I'd be straighter.
Am I to understand you got FREE stuff ? Maybe just the "new look" here but I fail to see a down side.
I must go now, I've pain behind my eyes.