Thread: header sizing
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Bill Verburg Bill Verburg is online now
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Originally Posted by r lane View Post
For a 3.0, twin plug, 12-1 track motor, what is optimal header sizing, OD. Related thoughts are header style preference. RSR style with a triangle collector or Bursch style with a pyramid collector. How does material figure into this as a resonance effect. Steel or stainless. Any dyno comparisons? Bob ps pictures found in the attic. Andretti at Sebring
you would need at least displacement and rpm to make an educated estimate

but here the theoretical max n/a flow per side vs rpm @100% VE


and some other pertinent info




ti Ys are common 4 and 8s and inline 6s but hard to package on a 911, though it can be done
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