Ok, not my camaro but please help. I put a corvette servo in my 99 truck last week. Today I was putting one in my 87 truck and noticed that I left out some parts in the 99, a spring, cup and retaining clip (lower left). It shifts fine. Are those parts necessary? And have I damaged anything? (Those parts go inside of the piece at the top of pic) http://i90.photobucket.com/albums/k264/pnewell44/000_0794.jpg