http://www.wallaceracing.com/Calculators.htm

it has the ff calculators:

# CID - Engine Calculators

# Cubic Inch Displacement Calculator

# Balancer Timing Mark Calc

# Compression Ratio

# Dynamic Compression Ratio Calculator

# Effective Compression Ratio

# Boost Compression Ratio Calculator

# HP Change From Compression Ratio Change

# HP From Bore - Stroke

# Piston Speed and Port Velocity

# New Hp From Adding More Boost Calculator

# Horsepower - Torque Calc

# Pressure Loss From Fuel Line Length

# Max RPM Calculator

# HP - TQ - RPM CALC

# Calc Deck Height

# Calc Piston Pin Height

# Stroke Calculator

# Rod Length Calc

# Calc Piston Inertia

# ET - HP Calculators

# Convert ET To Today's Condition NEW

# 1/4 Mile Stats Calculator

# Another 1/4 Mile Stats Calculator

# 1/8th to 1/4 to 1/8th Conversion

# 1/8th Mile Stats to 1/4 Mile Stats

# Compute ideal MPH and times at 60', 330', 660' and 1000'

# Convert 1/4 Mile ET to 1/8th Mile ET Calculator

# Convert 1/4 Mile MPH to 1/8th Mile MPH Calculator

# Hp From 1/4 MPH,ET and Weight Calculator

# HP from ET with HP Correction NEW

# HP from ET with HP Correction for 1/8th Mile NEW

# Hp From 1/8th MPH,ET and Weight Calculator

# 1/8th Mile ET From HP With HP Correction NEW

# 1/4 Mile ET From HP With HP Correction NEW

# New ET from Weight Change NEW

# Convert Your ET to Sea-level MSA ET NEW

# New ET from Previous ET and Weather Conditions NEW

# RPM At Peak HP Calculator

# HP Necessary For A Speed

# Estimate 60 Foot Time From Quarter-Mile ET

# MPH at the 60' clock

# Estimate HP From 60 Foot Time ET

# G Force from 60' Times

# Braking HP Loss at Altitude Calculator

# 0 - 60 Calc

# Calculate Distance Of Win From MOV

# Altitude Correction Factors

# Gears - RPM Calculators

# Conversion Calculator

# Driveshaft Speed Calculator

# MPH - Gear Ratio Calculator

# Gear Ratio Difference Calculator

# Gear/Tire Calculator

# Gear Ratio Needed Calculator

# RPM Drop From Shift Calc

# RPM/MPH From Gear Ratio Calculator

# Speedo Gear Calculator

# Tire Height Calculator

# Converter Slip Calculator

# Head - Exhaust Calculators

# Air/Fuel Ratio Converter NEW

# Throttle Blade Diameter for Individual Runner Intake NEW

# Header Tube Length Calculator

# Carb/TBI CFM Calculator

# Calc Valve Lift From New Rocker Ratio

# Camshaft Calculator

# Overlap Calculator

# LSA and Overlap Calculator

# Milling Heads Calculator

# Choke Point Intake Ports Calculator

# Finding Choke Point On Intake Ports Using RPM's

# Discharge Coefficient Calculator

# Mach Index Of Intake Port Calculator

# Flow at RPM Calculator

# Max RPM at Flow Calculator

# Head Flow Ratio

# Minimum CA Calculator

# Average CSA Calculator (using port length)

# Limiting Port Velocity Calculator

# FPS Calculator

# Pitot Pressure to Feet Per Minute Calculator

# Intake Runner Calculators

# Intake Runner Length

# Convert Head Air Flow From One Depression To Another

# Calc Head Air Flow for the HP Wanted

# Calc HP from Head Air Flow

# HP From Intake Valve Size

# Exhaust Valve Calculator

# Intake Valve Calculator

# Intake Valve Lift Calculator

# Weather Correction Calcs NEW

# Other Calculators

# Free Fall Calculator NEW

# Octane Mix Calculator NEW

it here

http://www.wallaceracing.com/Calculators.htm