Here's a few pix of 153-181 5 and 8 port intake gaskets and heads. that may help., , , , ,posted these before but lost the link somewhere,

Last edited by jalopy45 #4899; 09/14/12 02:25 PM. Reason: Beater fault

'45 Ford PU
66 Valiant wagon, leaning tower of power.
79 Chevy C10 w/250
02 PT Cruiser Convertable