Originally Posted by cboggs
We have to consider air speed BEFORE the mass airflow volume or CFM.
If you don't have proper airspeeds you will never fill the cylinder over 100%
Exit speed of the intake charge out of the valve and into the chamber is one of
THE most important design issues to making good power.
Slow, sluggish air speed and power drops off fast.
Curtis
This also leads to the discussion of size and type of headers / collectors???
Curtis where do you decide to go up to 2 1/2" and/ or 5" collectors?
and what effect does length of tubes have??
Maybe you should write a book! I"LL BE GLAD TO PUBLISH IT FOR YOU!! :wink: :!:
THANX again!!