User Guide

4—Dyno2000 Advanced Engine Simulation
MOTION SOFTWARE LICENSE ......................... 2
ACKNOWLEDGMENTS ...................................... 3
INTRODUCTION ................................................. 5
How It Works .............................................. 5
What’s New In The Dyno2000 ..................6
Dyno2000 Requirements ...........................7
Requirements In Detail ............................. 7
INSTALLATION ................................................. 10
Helpful Installation Hints ......................... 10
Installing The Dyno2000 .........................10
Starting The Dyno2000 ........................... 11
PROGRAM OVERVIEW .................................... 13
Main Program Screen .............................. 13
Using The Mouse Or Keyboard .............. 16
Direct-Entry Menu Choices ..................... 18
The Meaning Of Screen Colors............... 19
THE ENGINE COMPONENT MENUS ............... 20
Bore, Stroke, Number Of Cylinders........ 20
What’s A Shortblock ........................ 20
Bore, Stroke, & Compression ......... 21
Cylinder Head And Valve Diameters ...... 21
Basic Flow Theory ........................... 22
Sorting Out Head Choices .............. 23
Low-Performance ............................ 24
Wedge Cylinder Heads .................... 25
Canted-Valve Heads ........................ 25
4-Valve Heads ................................... 26
Custom Port Flow ............................ 28
Valve Diameter Menu ............................... 29
Compression Ratio Menu........................ 30
Compression Basics ....................... 31
Changing Compression Ratio ........ 33
Compression Ratio Calculator ....... 34
Calculator With Flattops ................. 35
Calculator With Domed Pistons ..... 36
Induction Menu ........................................ 38
Airflow And Pressure Drop ............. 39
Airflow Assumptions ....................... 40
Airflow Calculator ............................ 40
Mode 1, Convert To 4-Bbl Flow....... 41
Mode 2, Convert To 2-Bbl Flow....... 42
Mode 3, Convert To Any Flow ......... 43
Fuel Menu ................................................. 44
Nitrous-Oxide Injection ................... 44
Induction Manifold Menu......................... 46
Dual-Plane ........................................ 46
Single-Plane ..................................... 49
Tunnel-Ram ...................................... 51
Individual Runner ............................ 52
Tuned-Port Injection ........................ 53
Sequential-Fire Injection ................. 55
Forced Induction Menus ......................... 55
CONTENTS
Intercoolers .............................................. 58
Exhaust Menu........................................... 60
Stock Manifolds/Mufflers ................ 61
HP Manifolds/Mufflers ..................... 61
Small Headers With Mufflers .......... 62
Small Headers Open Exhaust ......... 63
Large Headers With Mufflers .......... 63
Large Headers Open Exhaust......... 63
Large Stepped Headers................... 64
Camshaft Menu ........................................ 65
Cam Basics ...................................... 66
Valve Events ..................................... 67
Camshaft Menu Choices ................. 68
Stock Street/Economy ..................... 69
HP Street ........................................... 70
Dual Purpose Street/Track .............. 70
Drag Race/Circle Track .................... 70
Drag Race High Speed .................... 71
Lifter Menu................................................ 71
Hydraulic .......................................... 72
Solid, Flat-Tappet ............................. 72
Roller Or Roller Hydraulic ............... 72
Making The Best Lifter Choice ....... 72
Timing Method Menu ............................... 74
Seat-To-Seat Method ....................... 75
0.050-Inch Method ........................... 75
Advance/Retard Menu ............................. 76
Saving Cam Specs Menu ........................ 77
The Cam Math Calculator ........................ 78
THE GRAPHICS RESULTS DISPLAY .............. 81
THE ITERATOR ................................................. 87
Setting Up Iterative Testing ..................... 89
Halting And Restarting Testing ............... 93
Tips For Running Iterative Testing ......... 93
OTHER FEATURES .......................................... 95
DOS File Compatibility ............................ 95
Printing Dyno Data And Power Curves.. 96
General Simulation Assumptions .......... 98
FREQUENTLY ASKED QUESTIONS ............. 100
Basic Operation ..................................... 100
Screen Display ....................................... 101
Bore/Stroke/Shortblock ......................... 101
Compression Ratio ................................ 101
Induction/Fuels ...................................... 101
Camshaft/Valvetrain............................... 103
Running A Simulation............................ 105
MINI GLOSSARY ............................................ 106
DYNO TEST NOTES ....................................... 111
MAIL/FAX SOFTWARE SUPPORT FORM ..... 113