If we are going to hijack this thread and turn it into a thread on stupid stuff done to cars thread, I get to go first.
I rebuilt the 901 in a 71 911 years ago when I was fixing cars for a living. I had been working on 914s for years. Well, I put the transmission together exactly like it's a 914... I got it in the car and there were 5 reverse gears and one forward gear I put the differental in just like a 914, rather than a 911.
To fix it right I had to pull the tranny back out. To do that on a 911, you have to pull the motor and tranny as a unit.
Lost my on that job.......