Re: Manifold/header comparisons PART of the answer

[Chris Davis <pngkid@xxxxxxxxxxxxx>]

Yes, only a 36 hp gain over stock 906 heads using the Hooker 1 7/8 
headers. The Stage V were ported and flow tested big valve (2.14/1.81) 
heads with the same Hookers. Max flow on the V's was 291 at .800 lift 
intake/ 217 at .700 lift exhaust. Max flow on the 906 was 221 at .500 
intake/ 160 at .600 exhaust. The 906's are perfect for the cam tested 
(.488/.491) showing matching your components is critical.
A higher lift cam would definitly open this engine up a lot with the 
ported heads.
I'll try to find if this engine was tested with Eddy heads.

chris davis
coker, alabama

P.S. Got my Old Reliable DVD today and can't wait to watch it!!!

Joeydahook9@xxxxxxx wrote:
> This is good stuff!  I'm trying to sort it all out in my feeble  brain.  So...
>  
> 906 heads    274 Comp cam      was     464 hp/5400     523  tq/3800
>  
> Stg V           274 Comp  cam     was     500  hp/5400     538 tq/4200     
> Hooker  headers
>  
> Stg V           274 Comp  cam     was     492  hp/5400     536 tq/4200     
> Hedman  headers
>  
>  
> I must have missed something or did switching to the stage V heads and  
> headers just raise hp 36?  I'm just trying to put some of this stuff down  to see 
> what level a built up motor will bring.  I think I'll start a log  with all 
> these magazine articles.  Of course, the tuning and even the dyno  moves the 
> numbers around.   The Comp 274 high lift (231*/237* @  .050 - .525" lift) should 
> be in the same rpm neighborhood, but may hang on  longer on the top end with 
> the added lift.  I was figuring just under 6000  and the torque in the 3600 
> range using that cam with ported, big valved 906  heads.   I was guesstimating 
> about 475 hp / 525 tq on that  combo.   Joe  
>  
>  
>
> [Non-text portions of this message have been removed]
>
>
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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!

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