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Common Terms ............................................................................................... 2
Plenum...................................................................................................................................................................2
Helmholtz Resonator..............................................................................................................................................2
Intake Runners.......................................................................................................................................................2
Carburetor Spacers................................................................................................................................................2
Individual Runners (IR) ..........................................................................................................................................2
Tuned Port .............................................................................................................................................................2
Manifold Heat .........................................................................................................................................................3
Venturi....................................................................................................................................................................3
Booster Venturi ......................................................................................................................................................3
Signal Strength.......................................................................................................................................................3
Dry Flow Intake ......................................................................................................................................................3
Wet Flow Manifold..................................................................................................................................................3
Types of Intake Manifolds.................................................................................. 4
Dual Plane..............................................................................................................................................................4
Single Plane ...........................................................................................................................................................4
Tunnel Ram............................................................................................................................................................4
Individual Runners (IR) ..........................................................................................................................................4
Cross Ram.............................................................................................................................................................4
Tuned Port .............................................................................................................................................................4
Intake Manifold Basics...................................................................................... 5
Function .................................................................................................................................................................5
Airflow ....................................................................................................................................................................5
Porting Goals .........................................................................................................................................................5
Port Shape .............................................................................................................................................................5
Port Polishing .........................................................................................................................................................5
Tuned Port Basics ........................................................................................... 6
Induction Waves.....................................................................................................................................................6
Pressure Wave Causes .........................................................................................................................................6
Pressure Wave Speed (V) .....................................................................................................................................6
Combined Effects...................................................................................................................................................6
Reflective Value (RV).............................................................................................................................................6
Intake Runner Length (L) .......................................................................................................................................6
Intake Port Area .....................................................................................................................................................7
Intake Port Taper ...................................................................................................................................................7
The Helmholtz Theory ....................................................................................... 8
Helmholtz’s Theory ................................................................................................................................................8
Intake Ram Pipe Diameter.....................................................................................................................................8
Plenum Volume......................................................................................................................................................8
Intake Ram Pipe.....................................................................................................................................................9
Multiple Ram Pipes ................................................................................................................................................
http://www.mediafire.com/?20mfykzycgt
Common Terms ............................................................................................... 2
Plenum...................................................................................................................................................................2
Helmholtz Resonator..............................................................................................................................................2
Intake Runners.......................................................................................................................................................2
Carburetor Spacers................................................................................................................................................2
Individual Runners (IR) ..........................................................................................................................................2
Tuned Port .............................................................................................................................................................2
Manifold Heat .........................................................................................................................................................3
Venturi....................................................................................................................................................................3
Booster Venturi ......................................................................................................................................................3
Signal Strength.......................................................................................................................................................3
Dry Flow Intake ......................................................................................................................................................3
Wet Flow Manifold..................................................................................................................................................3
Types of Intake Manifolds.................................................................................. 4
Dual Plane..............................................................................................................................................................4
Single Plane ...........................................................................................................................................................4
Tunnel Ram............................................................................................................................................................4
Individual Runners (IR) ..........................................................................................................................................4
Cross Ram.............................................................................................................................................................4
Tuned Port .............................................................................................................................................................4
Intake Manifold Basics...................................................................................... 5
Function .................................................................................................................................................................5
Airflow ....................................................................................................................................................................5
Porting Goals .........................................................................................................................................................5
Port Shape .............................................................................................................................................................5
Port Polishing .........................................................................................................................................................5
Tuned Port Basics ........................................................................................... 6
Induction Waves.....................................................................................................................................................6
Pressure Wave Causes .........................................................................................................................................6
Pressure Wave Speed (V) .....................................................................................................................................6
Combined Effects...................................................................................................................................................6
Reflective Value (RV).............................................................................................................................................6
Intake Runner Length (L) .......................................................................................................................................6
Intake Port Area .....................................................................................................................................................7
Intake Port Taper ...................................................................................................................................................7
The Helmholtz Theory ....................................................................................... 8
Helmholtz’s Theory ................................................................................................................................................8
Intake Ram Pipe Diameter.....................................................................................................................................8
Plenum Volume......................................................................................................................................................8
Intake Ram Pipe.....................................................................................................................................................9
Multiple Ram Pipes ................................................................................................................................................
