Least to most expensive 911 engine (air/oil cooled) to rebuild and why?

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Originally Posted by lvporschepilot

Not a one on the 3 I've done so far. Regardless, I still removed all the studs and had a machine shop installed case savers ($500). Used the original steel head studs on all of them. 1 is a very abused 2.8 track engine too AND that engine has cast iron (shock, horror) liners. Runs absolutely fantastic. I recently swapped that one to a DC80 cam.

That is encouraging to hear