I read through the thread and can't remember if the 318 heads are ready to go or not
if they are ready to go with fresh stem seals just run them
good timing chain
all it costs you is some gasket and you will not notice the difference around town
post up your results and do a compression check for a baseline
now if the 318 heads need a valve job...and guides...
did you mention your rear gear?
btw you never said what year block from the first post I could not tell if it was a later roller motor
always post up all the specs please
thanks
