I used to have links to an R&R writeup. I will look and see if I can find it.
Edit: here it is https://www.sl113.org/forums/index.php?topic=5958.0
I used to find 3.27's in the Pick n Pull for like $150. I got one over my lunch break once. Those days are long over.

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Tony H
W111 280SE 3.5 Coupe
Manual transmission

Past cars:
Porsche 914 2.0
'64 Jaguar XKE Roadster
'57 Oval Window VW
'71 Toyota Hilux Pickup Truck-Dad bought new
'73 Toyota Celica GT