Quote:
Originally Posted by 30blindback
Thanks for the input. I still would purchase the tool and perform the expansion as a learning tool for my club seminars. Yes, the purchase of a set of pistons is not expensive and the cost is not at issue The purpose will be a learning tool.
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Any chance your pistons are actually old split-skirt pistons? If so, there were specially designed "expanders" for correcting slap. They were called 'Piston Expanders'.
Easy to install and will work as good as knurling.