04-01-2009, 03:55 PM
|
 |
Senior Club Cobra Member
|
|
|
Join Date: Jun 2007
Location: Covington,
wa
Cobra Make, Engine: Superformance # 532, 466 BB, 560HP
Posts: 3,029
|
|
Not Ranked
Quote:
Originally Posted by CobraEd
No backpresure is good
.
|
That is why so much time and effort is put into equal length headers, and collector design. You want the exhaust pulse of one cylinder to cause a negative pressure zone in the other primary tubes so you have a scavenging affect.
This rumor of backpressure being good has been around since I was a kid. |
Threaded Mode
