Re: [FWDLK] 1955 Poly interchange

[Bill Watson <wwatson6@xxxxxxx>]

Chrysler's 1955 301-cid poly shares parts only with 1951-58 Chrysler 
hemi/poly engines.  They are different from Dodge, DeSoto and Plymouth 
poly/hemi engines of the 1950's.    The Chrysler 301 was basically a small 
bore 331 - both had a 3.625" stroke, but the 331 had a 3.81" bore with the 
301 having a 3.625" bore.

When it comes to manifolds and heads, nothing interchanges between Chrysler, 
DeSoto, Dodge and Plymouth engines as the bore centres are all different. 
The Dodge engines had the smallest bore centre (the distance from the centre 
of one bore to the next), followed by DeSoto, Chrysler and then Plymouth (or 
A block).

The Plymouth 301 has a 3.91" bore with a 3.125" stroke, a true over-square 
engine (bore bigger than the stroke).

Bill
Vancouver, BC



----- Original Message ----- 
From: debenson2
To: L-FORWARDLOOK@xxxxxxxxxxxxx
Sent: Wednesday, March 04, 2009 9:30 AM
Subject: [FWDLK] 1955 Poly interchange


Hello all.. On the 1955 Chrysler 301 Poly,(spitfire?) what interchanged with 
that motor in terms of speed equipment, intake cam water, fuel pumps and so 
on? Are they the same as the Plymouth and Dodge polys? Dose it share 
anything with the Plymouth 301/318 poly?
debenson2
431056
Brooklyn Park, Minnesota 55443 USA
debensonii@xxxxxxxxxxx road2recovery.us

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