User guide

2 — HOT ROD CALC™

TABLE OF CONTENTS

GETTING STARTED ......................................................................4

KEY DEFINITIONS .........................................................................4

Basic Function Keys .....................................................................4

Dimensional Function Keys ..........................................................5

Miscellaneous Function Keys .......................................................6

ET Prediction Keys .......................................................................6

Performance Keys ........................................................................8

PREFERENCE SETTINGS ...........................................................11

ENTERING DIMENSIONS ............................................................12

Distance/Length Dimensions ......................................................12

Square and Cubic Dimensions ...................................................12

ENTERING CONVERSIONS ........................................................ 13

Distance/Length Conversions.....................................................13

Speed Conversions ....................................................................13

Engine Displacement Conversions .............................................14

Torque Conversions ....................................................................14

Weight Conversions ....................................................................15

Volume Conversions ...................................................................15

USING THE HOT ROD CALC .....................................................16

Important Terms and Deﬁnitions.................................................16

Motorsports Standard Atmosphere .........................................16

Horsepower Correction Factor ................................................17

Density Altitude .......................................................................17

Air Density Index .....................................................................17

Absolute Pressure ...................................................................19

Elapsed Time ..........................................................................19

Calculating ADI and Density Altitude Using

Absolute Pressure ......................................................................20

Calculating ADI and Density Altitude Using Elevation ................21

Calculating and Using a Fuel Correction Index .............................22

Calculating Water Vapor Content ...............................................25

Basic ET Prediction ....................................................................26