All you have to do is ru;n a quart of ATF once in a while and that will act like a buffer for the valves. I mashist told me this one and I ran it in my 69 Super Bee that I had install a 64 413 in and nev er had a problem. I ran it hard. ----------------- http://www.imperialclub.com ----------------- This message was sent to you by the Imperial Mailing List. Please reply to mailing-list@xxxxxxxxxxxxxxxx and your response will be shared with everyone. Private messages (and attachments) for the Administrators should be sent to webmaster@xxxxxxxxxxxxxxxx To UN-SUBSCRIBE, go to http://imperialclub.com/unsubscribe.htm