Re: [FWDLK] 315 engine parts

[Brent Burger <cgico@xxxxxxxxxxx>]

  Neil,

  Steve says that if you do the modification work to your Mopar, send that info to CHS, they will notate that in their 
files, and send you a new data tag to reflect the new status - all in an effort to foil Barrett-Jackson types.

  Steve's friend Dave says that bolting 440 heads onto a poly will increase performance by 213% and allows the 
car to run on rubbing alcohol and water in a 61/39 mix.  Of course, this will only work with numbers-matching engines.

  I say "go for it !"  ;-)

  SgtM

=========================================================
On Nov 21, 2012, at 11:18 AM, Eastern Sierra Adjustment Svc wrote:

> 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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