Even IC'd I had one sitting there for show. Visual emission inspection FTW. They didn't question a think as long as they saw an EGR and evap valve... cause nothing else looked close to stock.
On the LIM gaskets. I'm just saying that if you are asked first vs second design, there's no reason not to get the second. even if you have the block w/o the holes for hte pins. They'll just hang over.