background graphic
background graphic

Twin Cam Stage 1 Heads Flow Bench Chart

Port Flow Analyzer v3.0
Test: RP Stg. 1
Folder: TC
Revolution Performance LLC

Performance Trends ©1999
This Report Printed:
9:30 am 10-22-08
Page: 1
Report of: Test Time Tested at Corr to No. Valves Valve Dia. Stem Dia. Port Area
Comparing 9:20 am Int: 28" 28.0" 1 1.84" .31" .00 sq in
1 Cylinders 10/22/2008 Exh: 28" 28.0" 1 1.575" .31" .00 sq in
Port Lift L/D Avg CFM Cyl 1 CFM
Intake .100 .054 83.0 83.0
Intake .200 .109 150.7 150.7
Intake .300 .163 200.7 200.7
Intake .400 .217 244.1 244.1
Intake .500 .272 257.3 257.3
Intake .600 .326 256.4 256.4
Exhaust .100 .063 61.0 61.0
Exhaust .200 .127 120.1 120.1
Exhaust .300 .190 165.0 165.0
Exhaust .400 .254 183.9 183.9
Exhaust .500 .317 190.2 190.2
Exhaust .600 .381 195.0 195.0
Head File: Untitled
Head Comments: NA
Head Number rp236 Customer RP Stg. 1
Intake Exhaust
Layout: 1 valve & 1 port Layout: 1 valve & 1 port
Valve Diameter, in 1.84 Valve Diameter, in 1.575
Stem Diameter, in .31 Stem Diameter, in .31
Throat Diameter, in   Throat Diameter, in  
Avg Seat Angle, deg 45 Avg Seat Angle, deg 45
Port Shape: Round Port Shape: Round
Port Volume, css   Port Volume, css  
Avg Port Diameter, in   Avg Port Diameter, in  
Avg Port Height, in   Avg Port Height, in  
Port Length, in 3 Port Length, in 3


Millennium Technologies Family of Companies logo Powersports Products & Services:
Millennium Technologies Cylinder Services website link Ballistic Performance Components website link