Re: [FWDLK] 315 engine parts

Hello All:

A poly block can readily be made into a Hemi.

Parts need include the Hemi heads, Hemi valve parts, push rods. Hemi cam, Hemi head bolts, as well as Hemi pistons and rods.

Mostly a complete Hemi engine except the block is Poly. Now there is really no difference to very minor differences in the blocks, depending on which foundry cast them. Also depending on the valve size, some blocks require a notch in the bore for large valves.

F Y I, George (with a '55 Dodge wagon & 270 poly block that is now a Hemi).

From: Eastern Sierra Adjustment Svc <esierraadj@xxxxxxxxxxx>
To: L-FORWARDLOOK@xxxxxxxxxxxxx
Sent: Wednesday, November 21, 2012 2:18 PM
Subject: Re: [FWDLK] 315 engine parts

Johnnie, you need to understand that the Poly engines have negative
deck height pistons, compared to the Hemi pistons, which are
physically taller, and have valve reliefs on their combustion surfaces.

Installing the Hemi's physically larger combustion chamber onto a
Poly engine block will seriously reduce the Poly's compression ratio.

I'm too lazy to look up the 56's C.R.'s (the 57's were 9.25 and 8.50
respectively), so merely installing the voluminous 56 Hemi heads onto
a 56 Poly engine is not a good thing, for performance or MPG.

Nobody ever does this, but the "440" version of the 57 Hemi would
involve installing 'worked' Poly heads onto the Hemi engine!

Fortunately, confirming a fake/cloned D500 is as simple as looking
at the engine stamping numbers.

A 56 Poly will be stamped "D63-1XXX" and a 57 Poly is stamped
"KDS-1XXX".

Neil Vedder

On 11/21/2012 8:40 AM, Jonnie wrote:
> I need a pair of 315 hemi heads----solid lifters---solid lifter valve covers---also plug covers----is anyone reproducing the valve covers---plug covers- ?----I am building a 315 hemi using the poly block----THANKS------Johnnie Slayton
>
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