Hey guys this weekend I had a weird experience. My dad gave me a 80 C10 it has a 1969 350 out of a chevelle in it. The truck has been sitting for the past 5 years, The truck was running but it had a little tick i did not think much of it until saturdy we had just done a tune up on it and was letting it idle it was sounding good until that ticking got real bad you could hear it over the engine I cut the engine off and looked under the hood seen nothing unusual so I fired it up and looked under the truck and noticed the dust cover shaking cut the truck off and crawled under it pulled the dust cover back and the crank had ripped the cover and pulled it up some and the crank was hitting it.I took off the dust cover and it runs smooth... no tick