How much decking is to much?

You would think the machine shop would be smart enough to ask the question ...do you want the block square...deck heights even....LOL

Many years ago, I asked the machine shop to square the deck...he decked the block the same amount on each side...yeah...still have .008 difference between the sides and a few thousand from front to back....changed machine shops....

but the 360 ran for 10 yrs ..ran a best of 10.31....and since I squared the deck...had nothing but problems with it.... so you never know...