Re: [FWDLK] INTERCHANGEABLE HEADS AND INTAKE MANIFOLD

[debenson2 <debensonii@xxxxxxxxxxx>]

On eBay about 20 times a fellow had a 55 Plymouth with the 260 and Hemi 
heads. He claimed the dealer did it for his wife at the time. Based on the 
appearance it did not look so and someone had at one times painted it up 
pretty well, as I recall it never sold.
----- Original Message ----- 
From: "Eastern Sierra Adjustment Svc" <esierraadj@xxxxxxxxxxx>
To: <L-FORWARDLOOK@xxxxxxxxxxxxx>
Sent: Tuesday, February 09, 2010 2:40 PM
Subject: Re: [FWDLK] INTERCHANGEABLE HEADS AND INTAKE MANIFOLD


> That would be a pretty neat trick; fitting the 55-56 Dodge Hemi heads onto 
> the
> 55-56 Ply Poly (non-Fury) heads.
>
> One major problem might be that the Dodge heads, along with The Ply's
> pistons' "negative stroke" (?, maybe, where the pistons' overall height 
> places
> their tops at a plane below that of the block's deck surface).....would 
> create a
> decreased compression ratio, due to the Hemi's combustion chamber's extra 
> volume.
>
> This is precisely what occurs when 57 Dodge Hemi heads are placed
> onto a Dodge Poly engine block, as the Hemi pistons are taller, and 
> require
> valve reliefs to be located onto the piston-tops.
>
> Of course, taller pistons' installation takes care of any initial c.r. 
> decrease.
>
> Neil Vedder
>
>
>
>
>
>
> Bjwt56@xxxxxxx wrote:
> > Ron:
> >
> >      The 55-56 Dodge Hemi heads will fit only the 55-56 Dodge and 
> > Plymouth V8's according to my parts book.  Part number is 1615886. 
> > Incidentally, 1615886 will not fit the 56 Fury according to the same 
> > book.  The 56 Fury head part number is 1731609.
> >
> >      John
> >
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