While we are on the subject of H engine stampings, can anyone tell me whether the HP stamping is larger or smaller in size than the S41 and date stamps? Is it possible that both larger and smaller sizes could be correct? I'm guessing that all 413 engines were stamped with the same size S41 and date stamps but when one was pulled out of line for the high performance option modifications then any size stamp could have been used for the HP depending on what the worker had available. Doug Warrener [Non-text portions of this message have been removed] To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/