Bill,

Actually, the proliferation of hoses gave it away more than the valve
covers. I believe that the transition to the new small block design was
1966, give or take a year.

Earle

"L.W. (ßill) Hughes III" > wrote in message
...
> Hi Earle,
> I believe the engine you're thinking of is probably the 318 using
> the 383 block with the irregular shaped valve covers, but I know of the
> 318 that topped out a 360" unfortunately I can only find an engine
> picture going back to this '67 Plymouth:
>
http://www.hemmings.com/index.cfm/fu...icle_id/218886
> God Bless America, ßill O|||||||O
> http://www.billhughes.com/
>
> Earle Horton wrote:
> >
> > That is not a 1957 318". I don't even have to look in the book for that
> > one.
> >
> > Earle