View Single Post
  #1154  
Old 07-02-2016, 01:49 PM
dci dci is offline
Ultimate Warrior
 
Join Date: Feb 2003
Posts: 1,256
Default

Quote:
Originally Posted by Stan Weiss View Post
Don,
@28" water

5/16" valve stem
► (500/((((2.3*.93)/2)^2*pi) - ((.3125/2)^2*pi)))/146 = 0.97381

11/32" valve stem
► (500/((((2.3*.93)/2)^2*pi) - ((.3475/2)^2*pi)))/146 = 0.97886

Which should show an average velocity of 341-343 fps @ the throat.

Stan
I got ya !!!! 5/16" stem 28"

__________________
Don Johnston
DCI MOTORSPORTS LLC
330-850-5050 shop
330-628-3354 cell
Designer if the DCI Tiger Heads and the NEW DCI Ram Air 5 Heads !!!!!