RE: Poly Header performance question

[Earl Helm <earlh@xxxxxxxxxxxxxx>]

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The Weiand is a single plane manifold, and by nature develops
horse power at higher rpms, from 3500 on. This makes for not
so good around town driving, and bad throttle response with
a smaller cubic inch motor. The larger cube 440's handle a single
plane just fine, they are moving much more air, so they get the
velocity up quicker.

The cast iron stock Poly 4 barrel will give you a better over all power
range for sure, and the Weiand will give you a bit more on the top end.
You spend most of your from 1000 to 4000 on the street, and most of
it at 2000 to 3000, the stock manifold is designed for that. That is
why most people prefer it after having both. Me included.

Earl


OK, what's up wiyh the Weiand intake for the Poly? In the few years 
I've been on this list I hear this same
story. I even heard one guy say he put the two barrel boat anchor back 
on his Poly and felt more
zip out of the motor. Is there any thing that can be done to the Weiand 
intake to improve the
performance? Is it designed for higher rpm's? Isn't the Weiand a dual 
plane? Why does it
say 'high rise' on it? Does anyone have anything good to say about the 
Weiand beside
the light weight ? Why is the only after market intake left for the 
Poly such a lame design?
WHY ?  why?  whyyyyy???:-)  uh, Gary... anyone... does anyone want to 
trade intakes
so I can make a comparison ?? I did put a 1" spacer on my Weiand and it 
did seem to
improve things little but that might be whishful thinking. And if this 
intake is in fact a dud,
let's let it be Known, before anyone else waste their hard earned cash 
on this thing!
I think those of us trying to build some power out of our Poly's have a 
hard enough time
already. So let's hear from all Poly owners who feel the Weiand didn't 
cut it compared to the factory
intake and help each other out.
ok ,  I'm done, thanks for listening:-)

Schuyler
>
>
> In a message dated 04/10/2004 02:04:20 AM Eastern Daylight Time, 
> sixtyfourmopar@xxxxxxxxx writes: I hope we could come up with a real 
> manifold. I know I
> will start something here, but the stock 4 barrel is better than the
> single plane
> Weiand by far if your driving on the street. I think I would even run 
> it
> at the track.
> Earl,
>     I agree.  I just took the Weiand intake off of my Fury's engine 
> and put
> my factory four intake on it and it does feel better.  Plus, my poly 
> powered
> '65 has the same set up and seemed to out perform my Weiand topped 
> poly.  I
> consulted with Gary before my intake swap and he suggested I change 
> and I am happy
> with it.
>
> Rick Rice
>
>
>
Schuyler V. Wrobel
   Artist & Illustrator

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