Re: Sig Erson Mopar cam and poly heads

[Gary Pavlovich <glpavlovich@xxxxxxx>]

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Ken,
You are correct.  The Poly could use a more efficient camshaft to take 
advantage of the higher BMEP in the chamber.  The Poly BMEP is slightly less 
than the HEMI and far more than the wedge.
The Poly does not need the higher head flow volume as do wedges because it 
need not be "over-engineered" to compensate for the less-efficient wedge 
chambers.
Our "Race Poly" will bear some surprising numbers vs. the wedge engines with 
much less camshaft and cubic inches.
Gary Pavlovich
----- Original Message ----- 
From: "Westerlund, Ken" <kwesterlund@xxxxxxxxxx>
To: <1962to1965mopars@xxxxxxxxxx>
Sent: Thursday, June 16, 2005 5:47 AM
Subject: RE: Sig Erson Mopar cam and poly heads


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I should think that a special grind would be needed to take advantage of
the semi-hemi engine.  If a cam is just a cam, why not just use a chevy
grind?  I should think the semi-hemi would be less prone to detonation
and could use a cam that built more cylinder pressure?  I am no cam
expert, but with the talk about cams designed for fords and chevies, the
Poly head is FAR more exotic than a chevy head.

Ken


-----Original Message-----
From: Gary Pavlovich [mailto:glpavlovich@xxxxxxx]
Sent: Wednesday, June 15, 2005 5:56 PM
To: 1962to1965mopars@xxxxxxxxxx
Subject: Re: Sig Erson Mopar cam

Schuyler,
My Sig Erson would work well in a built Poly as do all the small block
grinds; however, you cannot use a LA cam in a Poly motor.
Gary
----- Original Message ----- 
From: "Schuyler Wrobel" <schuyler62@xxxxxxxxxxxxx>
To: <1962to1965mopars@xxxxxxxxxx>
Sent: Wednesday, June 15, 2005 12:32 PM
Subject: Re: Sig Erson Mopar cam


> just curious, would that Erson Cam work good in a Poly stroker or
mildly
> built Poly with just 'reworked heads'?
> I guess what I'm trying to find out is does a cam have to be Poly
> specific, or will any small block cam, solid lifter
> or pump up, give the same results more or less.?
> and thanks! as always for any info.
> Schuyler
> Schuyler 62 Dodge Dart 440 wagon w/ Poly 318
>  <http://www.1962to1965mopar.ornocar.org/ml-wrobel62.html>
> On Jun 15, 2005, at 8:05 AM, Gary Pavlovich wrote:
> > ----------

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Please address private mail -- mail of interest to only one person -- directly to that person.  I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic.  Thanks!

'62 to '65 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html. 


bOyW3N.