Originally Posted by JonathanJ

To be honest I dont like either method , decompresion plate means 2 head gaskets and therefore more possible failure areas , and machining pistons removes material from a point where turbo engines suffer anyways ...... if I had a choice it would be decompression plate as the possible failure should not be a catastrophic one , where a piston failure could take the whole engine and debris into turbo aswell , just my thoughts