Hey, it's me again. The 97 1500 sport w/ the vibration/knocking. Just thought I should mention that my dad said the truck is shifting fine. I didn't drive it but he also said that it got a lot better at around 60 mph. Said that the vibration smoothed out and that he couldn't hear the knocking. He bought the truck almost new in 97, and he very rairly gets over 55-60 mph. He's is extremely easy on the truck. Oh yeah, it's got the 360 in it. Hope this helps w/ any advice you can give. Thanks.
Matt