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Message: <blockquote data-quote="green5.0guy" data-source="post: 906340" data-attributes="member: 16035"><p>Ok just making sure be for i send my 89 block out to be machined, i want to know if its going to be a waste of time since its not a "H.O" block.... i have heard an read on some other forums something about aftermarket pistons not working  because its not a original H.O block this will be my first time building a motor and i just need to get more info on it thanx please let me know ASAP <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>