The 70 390 had a taller deck height shared with all later 401's. Your 68/69 is the shorter deck height, but if your machine shop doesn't know the difference, or how to find out....you may just want to consider getting a new machine shop. Todd -----Original Message----- From: amc-list-bounces@xxxxxxxxxxxx [mailto:amc-list-bounces@xxxxxxxxxxxx]On Behalf Of Keith Evenson Sent: Saturday, April 05, 2008 8:37 AM To: AMC/Rambler@xxxxxxxxxxxxxxxx; owners@xxxxxxxxxxxxxxxx; drivers and fans. Subject: [Amc-list] 390 Pistons Does anyone have any info on replacement pistons for a '68 390? I brought my motor to a local guy and he said there are two different deck heights for the 390 and one of them you can use a 401 piston in and the ones he found for the other height were like $50. each. Thanks for the info. Keith Evenson -------------- next part -------------- An HTML attachment was scrubbed... URL: http://splatter.wps.com/pipermail/amc-list/attachments/20080405/5351e1fd/att achment.htm _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list