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What is considered a bad ridge,how do you tell exactly? A ridge period,or a large or small one?



Any ridge can be bad , if something in the ring travel changes and the rings wants to go further up the bore the rings will slam the ridge and more than likely break . The ridge can be removed , but you have to do it right . I had a block that someone took the ridge off of with a ridge reamer , std bore block , had to be taken to .040. One cylinder needed a sleeve because the nitwit running the ridge reamer egg shaped the top of the bore, that cylinder took .075 to get a round hole ...