hello trichard- your advice might be what i would do in the present reality of no inventory. only thing is that road might be a lot longer than you think. that kind of a machine shop is very hard to find today given that many cars now have throwaway engines. a trip to a junkyard proves this. mechanic recently told me this kind of work is getting rare b/c its no longer profitable giventhe thin market and cost of doing business. the only saving grace is the much longer durability of the 230. not sure if the 230 is sleeveable. do you know? what would you guess the cost of a machine shop rebuild to be? thanks tons olduke