Re: Manifold/header comparisons PART of the answer
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Re: Manifold/header comparisons PART of the answer




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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