“Chrysler” and “Mopar” names for reference purposes only. Not affiliated with Daimler-Chrysler.
“Chrysler Poly Performance”
by Jeffrey Diamond
This is
V
ICTORY
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IBRARY’s comprehensive illustrated booklet on obtaining the best speed & performance from your 1955-66 Plymouth, 1955-58 Chrysler, 1955-58 DeSoto, or 1955-66 Dodge semi-hemi polyspheric or “poly” wide-block motor. Your “obsolete” poly is capable of surprising speed & power, without loss of reliability. It’s the most complete do-it-yourself literature you can buy to get the most from your poly motor. Before making any decisions about modifying (or even rebuilding) your motor, get the best help available, and do it right the first time. This is not
a repair manual or another re-print of the firing order, serial numbers, casting numbers, rated power, compression ratio, etc. It contains only information that is useful and relevant (no pictures of chrome accessories). My purpose is explore, explain and detail modification, fine tuning, improvements and
modernization. Use it with your service manual for best results. Not an expert mechanic? You’ll still find many improvements you can make yourself with common hand tools.
I guarantee that you’ll find information in this booklet you’ve never seen before, and which will help you plan and complete your project.
Consider this: if this booklet saves you from making even a single mistake or bad purchase, or gives you one new idea, doesn’t that make this purchase worth while? The price is a very small fraction of what you’ll invest in the motor - plan it more intelligently, and get better results.
V
ICTORY
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IBRARY has been a
source of performance literature since 1971. Click here for a brief bio on the author: . The advice and suggestions are not reprinted from other articles, magazines, or factory literature
and are not available anywhere else, (although some of the data is generally available). Contents are 64 pages (over 40,000 words) stapled in paperback to save you printing costs, includes the following subjects, with over 60 black & white illustrations & diagrams, 42 data tables and sample worksheet:
The Origin of the “Poly” Motor; beginning with Chrysler hemi motor development & description.
DeSoto and Dodge Hemis; how they differ from the original Chrysler hemi motors.
Low Deck? Raised Deck?; explores the two types, and reasons for use.
Poly Motor Development and Description; what changes were made to the hemi motor, appearance, comparisons and interchanges.
The Poly “A” Series Motor (277, 301, 303, 318, 326); how it differs from the Chrysler (301, 331, 354) and Dodge & DeSoto (241, 259, 270, 315, 325) poly types, and comparisons with the more modern “LA” motors (273, 318, 340, 360).
Poly Valve Train; how the parts function, comparison with both hemi and wedge motors.
Poly Heads; design, port shapes and sizes, valves, dimensions, flaws.
Poly Speed Equipment; factory options, aftermarket parts, alternate carburetor choices for older manifolds, cam selection ideas.
Modifications; what you can do yourself, including:
» Planning a stroker crankshaft
» Alternate connecting rod choices
» Improved piston design
» Calculating compression distance and ratio
» Up-grading the ignition and tuning the advance curve
» Choosing and installing big valves
» Adapting a high-performance intake manifold from another motor
» Modifying the heads for better breathing and quench
» Improving the original intake and exhaust manifolds
» Making or adapting headers
» Selecting a new or re-ground high-performance cam
» Correcting rocker arm geometry
» Improving your oil system
Hemi Conversion; which poly motors can be converted to hemi using factory parts, and why.
Super Poly Motor; some detailed ideas on constructing a 462” poly motor.
Data Tables; showing all three motor families, bore, stroke, deck height, rod length, valve sizes, valve springs, crankshaft specs, bore centers, piston specs.
Poly Sources; listing 36 suppliers of parts & services, etc. both mail and internet.
TRW Part Numbers; lists many potentially useful obsolete numbers and applications.
Work Sheet sample; to help you keep records and plan changes to your motor.
Payment & shipping instructions: please read carefully! No hidden handling charges. I'll ship anywhere. Shipment is by a strong tear-proof Tyvek envelope. There is no tracking number. Find your shipping address below, and pay the amount shown (the total of Buy It Now + shipping, but not VAT or sales tax):
U.S. 1st Class Mail: $22.65 Canada 1st Class Mail (airmail) Int’l.: $24.41 New Zealand, South Asia, South America, Africa 1st Class Mail (airmail) Int’l.:
$29.51 All other foreign countries, including Australia, Japan, Europe 1st Class Mail (airmail) Int’l.: $29.91
Dealers & shops: 10% discount for 5 copies, 25% for 10 copies.
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On Oct-04-04 at 08:20:14 PDT, seller added the following information: