Thanks for your thoughts guys.
I googled crane and comp and came up with nothing
Can you be more specific as to who they are please. Thanks.
I have taken .180" off the head. I am sure this will alter the geometry enough to shorten the life of those bits upstairs
Hense the need for custom pushrods.
I read in the "Chevrolet Speed Manual" that this is ok , and that special tubular pushrods are available , but , of course , that was 50yrs ago.