Re: Poly 318 2x4

[Gary Pavlovich <glpavlovich@xxxxxxx>]

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Tom,
There are some minor differences between the 56-61 Poly motors, ie. extended 
crank flange..., but the intakes are all the same and interchange.  The 
difference with your cast iron '59 intake is that the throttle bores (the 
four carb pad holes) need to be enlarged to accept the larger throttle bore 
butterflies on the newer Edelbrock, Carter carbs that you will be using. 
The Weiand #7503 single plane alum. intake will accept these newer carbs w/o 
modification and though it is a single plane, it will not hurt your "bottom 
end" with a stroker motor.  Why will the Weiand not hurt your bottom end?
Because the 4" stroker crank provides plenty of torque, 450+ lbs. with a 
402" stroker Poly, and the Weiand single plane intake will perform just fine 
at all rpm levels; perhaps outperforming the dual plane on the mid and top 
end because of more plenum volume than the dual plane intake, although I 
would need to dyno test the OEM cast iron intake to be certain.  FYI, the 
cast iron intake is approx. 53lbs. and the alum. Weiand is approx. 23lbs.; 
the weigh vs. ET is not relevant in my opinion but getting a hernia while 
lifting it onto your Poly is a concern!

You can use either intake for your stroker and will be pleased.

Gary Palvovich
----- Original Message ----- 
From: "Tom Duross" <tduross1@xxxxxxxxxxx>
To: <1962to1965mopars@xxxxxxxxxx>
Sent: Tuesday, January 18, 2005 8:23 PM
Subject: RE: Poly 318 2x4


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There is a 2x4 on Summit, Weiand model 7263 listed for the 331, 354 & 392
early hemi's.
Could that be what he meant?
MCG states the '57 and '58 poly 318's are different from the '59-'66's, I
don't know but would like to know.

Tom Duross

-----Original Message-----
From: Gary Pavlovich [mailto:glpavlovich@xxxxxxx]
Sent: Tuesday, January 18, 2005 10:55 PM
To: 1962to1965mopars@xxxxxxxxxx
Subject: Re: Poly 318 2x4


That is incorrect.
I will check out the magazine article for the full context.
Gary Pavlovich
----- Original Message -----
From: "Gary H." <62to65mopar@xxxxxxxxxxx>
To: <1962to1965mopars@xxxxxxxxxx>
Sent: Tuesday, January 18, 2005 5:03 PM
Subject: Poly 318 2x4


On page 111 of the newest Mopar Collector's Guide magazine they write:

'The old school first generation Plymouth 318" dual four intake does not
fit on an early 1960's Poly head 318.'

Is that true?

Gary H.

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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. 


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