General engine tech -- Drag Racing to Circle Track
2 posts • Page 1 of 1
don, have you ever heard that j_ pistons(you know that popular well known brand used alot in cup shops) have a bad habit of scuffing on the top ring land due to poor design and that the "contact reduction grooves" are a band aid for this?i have had great luck with these but some folks swear there is a problem. JEez!
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