Rich Barber wrote: >John: > >I have the 1955-58 Chrysler parts book that shows 1556156 as the head >for 1955 New Yorker, Imperial and Crown Imperial. The book does not >show a separate head for the 300 and does not list the 1556157 number. >I have recently asked the server group if there is a difference in 1955 >300 heads and others, with no response. A different part number is >shown for 1956 and 1957 300 heads. Perhaps the 1556157 is a special >1955 300 head. More likely truck, industrial or marine. Where is that >part number located on the head? > >C-300'ly, >Rich Barber > > Rich and others interested. I believe that powerplay ( or Hotheads ) has the info you are looking for. The 56 and 57 heads have different partnumbers because the water jackets changed, ( among other reasons ) WIth the changes made for water flow, certain heads don't work so well in certain configurations http://www.hothemiheads.com/ -- Paul Holmgren 2 57 300-C's in Indy Hoosier Corps L#6 ------------------------ Yahoo! Groups Sponsor --------------------~--> Get fast access to your favorite Yahoo! Groups. Make Yahoo! your home page http://us.click.yahoo.com/dpRU5A/wUILAA/yQLSAA/8LmulB/TM --------------------------------------------------------------------~-> 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/