The simple way to double check things is to stand the head up on edge and slide the bolts into the holes - - - -when they're in the right place, all of them should stick out the bottom of the casting the same distance so the thread engagement into the block will be the same for all the bolts.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!