Nobody is saying you can't, just warning you not to bother. Yeah,you can lay a 350 head gasket on the suface,scribe all the chambers,and then grind off the material that sticks out beyond the bore.this will help stop all the pre ignition,and lower the compression back down, now after all that grinding,you've only got to overcome small ports and valves,and the fact these heads are prone to cracking,are you starting to get the point?