Yep, Got to introduce myself. I really enjoy spending too much time, saving rusty vehicles, never getting a project completed, and jumping from project to project. Just attended the KKOA Salina, KS Lead Sled Nats. See my good friend's photos at http://www.jalopyjournal.com/forum/showthread.php?t=198047&referrerid=25565 Now, I have my head full of new, cool ideas to incorporate into my uncompleted rods. One question for all of the old timers, Why is it that after measuring and double checking the measurements, shortened drive shafts still are too long, or too short?