ok, here we go, i went around to see paul at cve perfomance, and showed him my broken pieces and he said its from the wrong size pushrods,
so, ill be removing the heads and taking to him to be machined and fitted with screw in studs, ill get the heads back, refit and flatbed it to him to see what size pushrods and adjust the rockers.
should be going next week or 2.