Wondering if anyone runs steel shim gaskets? I was thinking of  decking the block for straightness and putting steel shim gaskets on it. The heads will be planed for straightness so the surface area will be flat. My reasoning was I didn't want to take more off the deck to compensate for comp gaskets and then down the road if I rebuild again on the same block the deck would be shaved again for straightness.  What do you all think? Appreciate advice.