I'm about done puttin' her back together for the last time - FINGERS CROSSED, KNOCK ON WOOD!

I'm taking my time and making sure everything's perfect, how long does it take for the pushrods to spin by hand? I've got both rockerboxes completely bolted down and can't move them at all by hand.

What gives???

 

You're not going to spin them if there is cam/spring pressure on them. You didn't mention if you installed adjustable pushrods or if they're the stockers. To spin them you need to put the piston at top dead center of the compression stroke, it would have been easier with the top rocker box cover off. You can see that both valves are closed, then you should be able to spin the pushrods.

DC.