Totally Dissapointed!!!!!
Well, it sucks when businesses cant take the medicine for the disease they create. It's a wide spread problem, and not limited to small shops. You would be doing yourself a favor by at least pulling a head and a piston or 2 in that 440, just to check for proper setup. I'd rather find issues before it's running, than install it and find them. Knowledge is power, if you have it, it works for you and the shop, if he has it, it can be made to work against you and you pay for the pleasure.