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The Mopar Poly Engine Family

Poly Engines
Displacement Model Years Bore Stroke Bore Spacing Main Journal Diameter Rod Journal Diameter Connecting Rod Center to Center Crankshaft Centerline to Deck

277 1956 3.74 3.12 ? 2.5 ? ? ?

301 1957 3.91 3.12 ? 2.5 ? ? ?

318 1957-1966 3.91 3.31 ? 2.5 ? ? ?

Poly Engines
Displacement	Model Years	Bore	Stroke	Bore Spacing	Main Journal Diameter	Rod Journal Diameter	Connecting Rod Center to Center	Crankshaft Centerline to Deck
277	1956	3.74	3.12	?	2.5	?	?	?
301	1957	3.91	3.12	?	2.5	?	?	?
318	1957-1966	3.91	3.31	?	2.5	?	?	?

HELP!!!

I don't know much on these Mopar engines so any info to help fill these open spaces is appreciated. THANKS!!

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