Intake manifold install

A long time ago, I used a Fel-Pro gasket set for my SBM. The set came with neoprene end gaskets. Just set in place and put the manifold down.
Recently, got a Fel-Pro set with the cork. The cork was so thick that the bolt holes would not line up. Not even close.
Laid a bead of RTV (1/4" in diameter) and let set until tack free. A little bit of fresh sealant at the end and put down the manifold. No leaks.