Chrysler Poly Performance, more power and speed from your 1955-66 ...
The complete illustrated guide to more performance from your 1955-58 Chrysler, DeSoto, Dodge or Plymouth 318 & other wide-block poly V8 motor.
If you really badly need a 318 Poly... - Moparchat - Home of MOPAR ...
If you really badly need a 318 Poly... Vintage MOPAR chat.
318 Poly
Engine Specs: "A" 318-1 `61-`66 (Polysphere). Firing Order... 318. Compression. 8.25:1 (7.50:1)*. Basic Timing. 10 BTDC (12 BTDC)*. Horsepower...
A and LA -Chrysler small block V8 engines -277, 301, 303, 313, 318 ...
The LA block 273 weighed 55 pounds less than the poly 318, both used 4.46" bore centres, and both were 21.4" in length, without water pump, crankshaft, etc...
Home of the Polyspherical Association
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...
About the Poly Engine
The 277-318 old style cylinder head is generally called a poly-sphere. Looking at the strange valve angle it appears to be a modified Hemi...
318 Poly
318 Poly
