View Single Post
Old 01-18-2016, 01:54 PM   #94 (permalink)
Daox
Administrator
 
Daox's Avatar
 
Join Date: Dec 2007
Location: Germantown, WI
Posts: 11,203

CM400E - '81 Honda CM400E
90 day: 51.49 mpg (US)

Daox's Grey Prius - '04 Toyota Prius
Team Toyota
90 day: 49.53 mpg (US)

Daox's Insight - '00 Honda Insight
90 day: 64.33 mpg (US)

Swarthy - '14 Mitsubishi Mirage DE
Mitsubishi
90 day: 56.69 mpg (US)

Daox's Volt - '13 Chevrolet Volt
Thanks: 2,501
Thanked 2,586 Times in 1,554 Posts
Quote:
Originally Posted by oil pan 4 View Post
With converging and diverging nozzles I believe 7 degrees is ideal.
There are companies that sell 7 degree reducers for intake and exhaust piping, they are kind of expensive.
According to this: http://www.spdexhaust.com/pdfs/02-11...Collectors.pdf

The best angle is a 12-15 degree convergent angle with a 3 degree divergent angle. Interesting that those are different.

Attached Thumbnails
Click image for larger version

Name:	collector.jpg
Views:	591
Size:	55.7 KB
ID:	19485  
__________________
Current project: A better alternator delete
  Reply With Quote