Yes,7 1/4" rear with 273 v8. Would the pin be the piece that was making a sound like a marble bouncing around in the rear end? Thankfully I got it to the garage before it did grenade. Can you tell me how to fix it? What causes the pin to come loose? I have never abused this car at all since I've owned it. When it started doing this I was driving about 35 mph on a city street. I hope it can be fixed easily and nothing was damaged yet.
