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- Aug 10, 2014
- Messages
- 2,020
![Canada Country flag](https://www.accessnorton.com/images/flags/shiny/32/Canada.png)
desn't seem to be much out there on this
https://www.google.ca/search?q=norton+c ... or+exhaust
https://www.google.ca/search?q=norton+c ... Y-Ch1wdAuc
exhaust-header-into-collector-science-video-t15379.html
into-exhaust-t22778.html
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https://www.rbracing-rsr.com/lsr21/supercharged.html
https://www.rbracing-rsr.com/exhausttech.htm
https://www.google.ca/search?q=norton+c ... or+exhaust
https://www.google.ca/search?q=norton+c ... Y-Ch1wdAuc
exhaust-header-into-collector-science-video-t15379.html
into-exhaust-t22778.html
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https://www.rbracing-rsr.com/lsr21/supercharged.html
If you want to make power on a multi-cylinder engine you have to use a collector system. Whether it's a V-Twin or a V-8 it's the same, and no less an authority than the famed engine builder Smokey Yunick will tell you that. Not using free exhaust energy to help your engine breathe is downright criminal. No matter what the conventional wisdom is, staggered duals on a Harley will not make more power. You simply cannot escape the fact that a properly designed 2-1 will give you more useable torque where you need it, in the 2000 to 4000 rpm range, which means less downshifts and less rpm to get the job done.
https://www.rbracing-rsr.com/exhausttech.htm
Not using free energy to help your engine make more power is just plain stupid. High pressure and low pressure...it’s that simple. What your engine “sees” when the exhaust valve is open will determine whether you win or lose. Of course, things are never really that simple, but, that’s really what exhaust design is really about.