Interesting.You might want to consider this: Why the Lotus Evora won | Autocar
Problem is, I looked art mine today and that thin layer on the sides is popping out. Also, when stabbing the gas pedal, in 4rth, I am getting a Clunk now. Think they are worn out.
I was having other work done that required the engine to come out, so it just made sense to do them then. 2 of them were bad, also. So, I can't attest as to how hard the install was if done alone.How was the install?