I assume you can turn it by hand. Have you put oil in the cylinders? When you get the valve cover off turn it and make sure everything is moving as should, you dont want a stuck valve spoiling your day. Good luck!
Jeff

"Do not walk behind me, for I may not lead. Do not walk ahead of me, for I may not follow. Do not walk beside me either. Just leave me alone, you're starting to freak me out."

1957 GMC 150