Anyone took a 3.5 inch hole saw to make a boring plate out of an old cyl. head?

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Advise should be taken as ongoing, that way, when you get to realizing what you are doing you can include yourself.

I disagree with the premise of your question; I think it'd be a pretty interesting plate!

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

It is easier / faster to cut the top off a scrap engine block. Try to find one that is already bored oversize, then drill-out all the treaded head bolt holes, prior to sawing the deck off.



Or buy / rent a professionally made torque plate.
DD