Re: Poly 318 2x4

[Skagdrager@xxxxxxx]

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Hey, Gary P.
This raises a question for me.
If you put a Weiand single 4bbl on a non-stroked 2bbl poly do you lose some 
bottom end torque (launches slower)?
Thanks.
Paul 

In a message dated 1/19/05 10:10:45 AM Pacific Standard Time, 
glpavlovich@xxxxxxx writes:
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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

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