Scavenging vs non scavenging

[TexasT]

"Back in the day" design....

MICKEY THOMPSON SUPER SCAVENGER HEADERS

www.chevelles.com

But they have a very distinct sound and I'd run a set if I had em.

 

[xlr8ngn]

What a rabbit hole. I've been reading about multiple stepped turbo headers with negative pulse tuning at both peak HP and peak torque. Good stuff to know that I will probably never incorporate myself, but helps when understanding and selecting between manufacturers of our products.

 

[Chuck Leeper]

What a rabbit hole. I've been reading about multiple stepped turbo headers with negative pulse tuning at both peak HP and peak torque. Good stuff to know that I will probably never incorporate myself, but helps when understanding and selecting between manufacturers of our products.

A good engine dyno, LOTS of tubing, CNC bender, tig, flow bench, all required for the testing.
You know, something like free reign in a NASCAR development facility!
Would be nice to have access to all that "stuff".
In a more "simplistic realm", the GM cast steel exh manifolds make an easy 1000Hp on a J/Y LS/Vortec engine.
Like the set I fabbed here at home shop....