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Professor's
Page
Interchange
between A and LA
Purpose
Professor's
Page
Interchange
between A and LA
Purpose
Greetings
to all those out there that cherish the old poly head engines. This
is a endeavor that is dedicated to these engines, the 277, 301, and the
most common 318. This engine series has been called many things,
mainly referring to the 318: the big block 318, the wide block, old style
318, poly 318. Unfortunately many are unkind in their comments about
the engine.
Larry Shepherd
author of, How to Hot Rod your Small-Block Mopar, said that "they had a
lot of potential, they were never developed for racing. Consequently
high performance parts for old-style A engines are hard to find."
May be that is why we like this engine, because we have to work a little
harder to find parts and do our work, it becomes special to us.
I am a die-hard
mopar fan and am of the belief that Chrysler never built a bad engine.
All of these engines are deserving of work and respect. There are
many bottom end parts that are interchangeable with the newer small blocks.
And the basic performance building tips are applicable to the poly series.
Plus there are the parts out there if you know where to look.
That is the
purpose of this association, I don't know that much about these engines
myself and would like to know more, talk with those who have developed
tricks and other items for these old engines. It can become a source
for information and exchange. So if you are out there and you want
to share your information about the poly engines, write
back so we can get a flow going. Or if you are a business that
still sells products for these engines let us know so you can be listed
in our directory
of business' that still service products for the poly's.
This can
be a great service for those of us who are dedicated to the Poly-Head engine
series. Many have even called these engines baby-hemis, because they
were originally developed from the old hemis. So in a like vein may
be there is someone out there that knows of tips and tricks for the old
hemi that apply to the poly. That is all for now, but if you are
out there come on out of your garage and join us in our love for these
old engines. Share with us your knowledge so we can pass it on to
other like ourselves.
Just a note, in the April 1999 Mopar
Action there is an article on the new Chrysler 287 V8. Take a look at the
picture of the cylinder heads, the caption calls them Semi-hemispherical,
they then call it "state of the art combustion technology." If you
look closely at those heads the valve set up looks an awful lot like a
poly combustion chamber, which is also called semi-hemi. Could this
be a case of Chysler looking back to build on the future.
Click
on this Poly engine to see the 6 Bbl and 8 Bbl manifold setups for
the Poly
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