View Single Post
Old 03-22-2008, 03:23 AM   #16 (permalink)
Duffman
Master EcoModder
 
Join Date: Mar 2008
Location: Edmonton, AB, Canada
Posts: 531
Thanks: 11
Thanked 12 Times in 11 Posts
Quote:
Originally Posted by CuriousOne View Post
What is needed is taking advantage of the exhaust scavenging effect and have the highest exhaust velocity. Backpressure is not needed,
Absolutely correct. The balance is that smaller pipes that promote velocity create packpressure, but mufflers and kinks in the pipes etc are pure losses.
  Reply With Quote