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dave bushell

Hi Roger and efr215
Thanks for your responses. I agree with not having a polished bore. An old motor engineer that I once knew, told me that after he received cylinder block that had been honed to a fine finish, he would degrease it and then dunk it in water and leave it outside until it had got a fine layer of rust in the bores which he then cleaned off before fitting the block. I guess in those days he didn’t have a flexible hone!