I mean, it makes a big difference -- the change between a 28" and 32" tire is the same as dropping from a 4,500lb to 1,000lb car, according to his chart. Some guy on a Corvette forum suggests that it's based on a 30" tire. The SLR calculator on the Wallace Racing website seems to agree, as that's the default setting.Wallace Racing BACK to Calculators Calculate Distance Down of Piston: Stroke: Rod Length: Crank Angle: Input All Parameters, Please This calculator will show the distance down the piston is at with the angle inputted. Back to Calculators. Index. Street Turbocharging: Race Car Vehicle Dynamics: Race Car Engineering & Mechanics ...These equations are for recreation only. HP Correction Factor Calculator. Track Elevation : Select Feet Meters. Temperature : Select F° C°. Relative Humidity (%): Fuel Type:Calculators by Wallace Racing. ET - HP Calculators; Convert ET To Today's Condition; 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'Calculators by Wallace Racing. ET - HP Calculators; Convert ET To Today's Condition; 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'The extra volume in head gasket, where the bore opening is not a perfect circle. The vavle chamfers on a cylinder bore of block, etc. Compression Ratio Calculator. Common Pontiac Engine Displacements : (click the button for that bore and stroke for each engine) Click the following to add to the bore size. (Note: If you click the buttons more ...Wallace Racing BACK to Calculators. These calculators are for entertainment value only. Not to be used in place of real testing. The units you input will be what the area answer units will be. For example: inches input, answer will be square inches. Calculate Rectangle Area:Wallace Racing - Calculate New HP From Change In Compression Ratios Calculator. Calculate New HP From Change In Compression Ratios. BACK to Calculators 10/10/2023 10:27:04 AM. HP From CR Change Calculator. HP You Have Now: Old Compression Ratio. :1. New Compression Ratio. :1.Gear Selector. Enter the required information into the boxes and click calculate! Tip! If you have your gear and the current rpm reading, you can get really close to the combination you would like here! Gear you are running currently : RPM you are turning currently: RPM that you would like to turn: Input you Current and Wanted RPM and Gear ...Oct 11, 2023 · This calculator can be used to see what the cubic feet per minute (CFM) would be needed for an engine of a certain size (CID) and at a certain RPM. If you use 100% (or less) for the volumetric efficiency (VE %) it would be what the CFM would be calculated for that RPM. If 127.5% is used for VE%, it would be the CFM for best efficiency that the ... Calculate Primary Header Tube Length and Diameter Wallace Racing BACK to Calculators. These formulas are from A. Graham Bell's Performance Tuning in Theory and Practice. For a street engine, the RPM used should be the peak torque RPM. For a race engine, the peak hp RPM should be used.The formula is correct, the inputs need some changes. The ratio of specific heat, or gamma (k), varies depending on the composition of the gases. For air, use a value of 1.4. If fuel vapor is included, use a value of 1.3-1.33. Local air pressure is rarely 14.73, especially at the inlet valve.RPM/MPH From Gear Ratio Calculator by Wallace Racing. Gear - Speed CALCULATOR. October 9, 2023. Gear-Speed-RPM Calculator. Enter Vehicle Tire Diameter: Enter Vehicle Transmission Gear: Enter Vehicle Rear Gear Ratio: Enter Vehicle Rear Gear Ratio #2: Enter Vehicle Rear Gear Ratio #3:Calculate Rear End Gear Ratio Needed. Throttle Position Sensors. Electrical Wiring. Distributor Wiring Harnesses. Ignition Components. Crank Trigger Replacement Pickups. Distributor Cap and Rotor Kits. Distributor Hold-Down Clamps. Electronic Distributor Conversion Kits.Oct 11, 2023 · Wallace Racing BACK to Calculators. 1/8th to 1/4 to 1/8th Calculator: This calculator is mainly for Naturally Aspirated runs (Power Adder runs are not as consistent) Use the AceOdds Bet Calculator to work out returns for Accumulators, Lucky 15's, Doubles, Trebles, Football, Horse Racing and more. The most comprehensive and reliable bet calculator. Compare how different outcomes on each selection might affect your profits before placing your bet. The calculator is fully customisable and comprehensive in the ...Wallace Racing BACK to Calculators Calculate Distance Down of Piston: Stroke: Rod Length: Crank Angle: Input All Parameters, Please This calculator will show the distance down the piston is at with the angle inputted. Back to Calculators. Index. Street Turbocharging: Race Car Vehicle Dynamics: Race Car Engineering & Mechanics ...Calculate RPM for given MPH, Rear Gear Ratio and Trans Gear Ratio Wallace Racing - Calculate RPM for given MPH, Rear Gear Ratio and Trans Gear Ratio 10/11/2023 03:54:28 AM However, the higher fps numbers calculated by the Wallace Racing calculator relative to 'Limiting Port Velocity' and port sizing represent actual air speed in the port of a 'live' (running) engine. These actual flow values relate directly to mach or sonic speed..... 0.55 mach (614 cfm at sea level) being max. theoretical flow beyond which ...Wallace Racing BACK to Calculators Todays date is 9/28/2023 These equations are for recreation only. Not a substitude for actual testing. ... Instructions: 1) Enter a value in any box. 2) Click the 'Calculate' button. 3) All other values will be automatically calculated. Weight: 60' time: 660' (1/8 mile) time: 660'(1/8 mile) mph: 1/4 mile ET: 1 ...Street Performance Calculator. Rear End Ratio. @ Desired MPH. Tire Diameter (Height) in Inches. Over Drive Ratio (1 for no OD) RPM at Given MPH.Maintenance mode is on. Site will be available soon. Thank you for your patience!Calculators. ET calculator: 1/4 mile, 1/8 mile, 0 – 60 mph; Camshaft valve timing calculator; Static and dynamic compression ratio calculator; Build thread; Shop; Customer photos; Info. Contact; Terms and conditions; CartMaintenance mode is on. Site will be available soon. Thank you for your patience!NASCAR races generally last anywhere from 1.5 to 4 hours, depending on the length of the race, number of laps and track conditions. Many races are 500 miles in length, though some are shorter or longer.We took a trip to the Skip Barber Racing School. We learned and experienced a lot. When can we go back? By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners. I agree to Money's Terms of Use and Pri...For a more accurate calculation try Larry Meaux's Pipe Max. His program is excellent and will provide a lot of info. Pipe Max. Camshaft Lobe Center / Duration Calculator. Intake Opens BTDC (ATDC is -) : (in degrees) Intake Closes ABDC : (in degrees) Exhaust Opens BBDC :The KB calculator uses @ .050 plus 15*.The Wallace calculator uses .006 lift.The Wallace will usually give a DCR of approx 1/2 point lower.I've not tried the Kelly.I usually run them both & split the difference.On the KB,the added 15* is kinda tricky becuz different lobe profiles can effect this.15* is just not going to be accurate for every cam.For older style cams with lazier lobes like some ...Wallace Racing BACK to Calculators This Calculator will figure the effective compression ratio using your inputs. The effective compression ratio is what the engine sees while running. While the static CR is defined simply by the geometry of the engine, the effictive CR is influenced by multiple factors such as the engine geometry, cam timing ...Wallace Racing - ET/MPH/HP Calculator. Weight is as the car sits on the line: driver and gas in it. Calculate ET and MPH from HP and Weight. Weight. HP. Input your HP and …Compression Ratio Calculator - Wallace Racing. Compression Ratio Calculator. Common Pontiac Engine Displacements : (click the button for that bore and stroke for each engine) Click the following to add to the bore size. (Note: If you click the buttons more than once, it will continue to add to the bore's value.) Number Of Cylinders:Wallace Racing BACK to Calculators This Calculator will figure the Intake Valve Lift using your parameters. Intake Valve Lift Calculator: Number of Cylinders: RPM at HP Peak: RPM at Torque Peak: Bore: Stroke: Rod Length: CR: Select Type of Cam: Roller Cam Flat Tappet Hydraulic RollerI mean, it makes a big difference -- the change between a 28" and 32" tire is the same as dropping from a 4,500lb to 1,000lb car, according to his chart. Some guy on a Corvette forum suggests that it's based on a 30" tire. The SLR calculator on the Wallace Racing website seems to agree, as that's the default setting.Wallace Racing - ET From HP Calculator. Todays date is 9/20/2023. Calculate ET from your HP and Weight. These equations are for recreation only. Not a substitude for actual testing. Weight is as the car sits on the line: driver and gas in it. HP is at the crank.This calculator is based on Naturally Aspirated applications. Estimate Horsepower from Head Airflow; ... Typ Race Eng SuperStock ProStock/Comp Mountain Engines: Enter Number of cylinders: Input Head CFM, CID, and Test Pressure Please These calculations are for port work with no 'choke'. "Choke" is defined as the intake port with flow, but not ...Calculate MSA ET from ET - Wallace Racing. Back to Calculators Index. These equations are for recreation only. This calculator uses the Motorsports Standard Atmosphere (MSA) at sea level. (Not ISA - International Standard Atmosphere) Use one of my other calculators to find your HP Correction factor, like this one: Calculate HP with Correction.For example, if a car ran the eighth mile in 6 seconds, the calculator can tell you how fast that car would have run the quarter-mile. 1/8 mile to 1/4 mile time conversion: Multiply the 1/8 mile time by 1.555 to get the 1/4 mile time. For example, a 6-second 1/8 mile time would convert to a 9.33-second 1/4 mile time.Watt would call this new unit of measurement "horsepower". One horsepower is equivalent to the amount of force needed to lift 550 lbs of weight within a period of 1 second. One horsepower is equal to 745.7 watts, watts being a unit of power that James Watt also came up with, and the same unit you see everyday associated with things like light ...HP Required To Overcome Rolling Resistance Calculator. Weight of Vehicle. pounds. Coefficient of Rolling Resistance. (Auto tire is usually .015/.016) Vehicle Speed. MPH. Input Parameters, Please. Frontal Area HP Calculator.Calculate MPH At The 60' - Wallace Racing Calculators. Please Enter Your 60 Foot Time.Wallace Racing BACK to Calculators Todays date is 9/28/2023 These equations are for recreation only. Not a substitude for actual testing. ... Instructions: 1) Enter a value in any box. 2) Click the 'Calculate' button. 3) All other values will be automatically calculated. Weight: 60' time: 660' (1/8 mile) time: 660'(1/8 mile) mph: 1/4 mile ET: 1 ...A small donation would be appreciated. Horsepower Calculator From 1/4 Mile Stats. Wallace Racing BACK to Calculators. October 8, 2023. These equations are for recreation only. Not a substitude for actual testing. Rear Wheel HP is assuming 10% drivetrain loss. Weight is as the car sits on the line: driver and gas in it.Calculate Primary Header Tube Length and Diameter. or Philip A Smith's Scientific Design of Exhaust and Intake Systems. The following calculator can be used to calculate the header dimensions best suited to your combination. The input terms are below: Bore/Stroke is given in inches . Exhaust Valve Opening Point is given in degrees before bottom ...This gear calculator will provide expected (theoretical) speed at certain RPM through all gears. Please fill in tyre dimension, transmission gear ratios and wanted final drive (differential gear ratio) to see what speed you can expect.A small donation would be appreciated. Horsepower Calculator From 1/4 Mile Stats. Wallace Racing BACK to Calculators. September 29, 2023. These equations are for recreation only. Not a substitude for actual testing. Rear Wheel HP is assuming 10% drivetrain loss. Weight is as the car sits on the line: driver and gas in it.Automotive Calculators Try some of my high performance racing calculators. ET - HP Calculators; Convert ET To Today's Condition NEW; 1/4 Mile Stats CalculatorCompression Ratio Calculator. Bore: Stroke: Head Chamber (cc's): Valve Relief / Dome (cc's): Gasket Thickness: Deck Height: Input a positive number for valve reliefs. Input a negative number if it has a dome. Fill In The Blanks, Please. Born to Run: 30th Anniversary 3-Disc SetWallace Racing - Differnt Fuels Calculator. Different Fuels Calculator. Calculate Different Fuel Specs & Airflow CFM: Engine Displacement (cubic inches only): cubic inches Red line RPM: RPM Input CID, RPM and VE, Please TABLE Fuels. Fuel: Engine Air Flow (cfm) lbs of air (lbs) ...The more optimized your car is for drag racing, the more accurate the analytics of your timeslip will be. And yes, a 700hp car with a stick and street tires will lose to a 500 hp car with a great converter, suspension, and slicks, every time.... or, almost every time.... (and a calculator would NOT tell the guy with 700 hp that he's GOT 700 hp.lol)Wallace Racing BACK to Calculators Todays date is 9/24/2023 This is an interesting calculator. It uses the intake valve diameter size to figure out the approximate Horsepower for a well optimized engine. This is just for entertainment value. Gives a generally accurate ballpark number, though. ...Calculators to find 1/4 mile ET and MPH. ET and MPH in Quarter Calculator: 10/1/2023 03:47:08 AM Wallace Racing BACK to Calculators ... Wallace Racing - ET/MPH/HP Calculator. Weight is as the car sits on the line: driver and gas in it. Calculate ET and MPH from HP and Weight: Weight:E85 Calculator. PONTIAC POWER RULES ! ! ! Calculate Amount of Ethanol to Make E85: Back to Calculators Index These equations are for recreation only. This is using 1 gal of mixture and 100% Ethanol to add to mixture to bring it up to E85. (85% ethanol) Calculate Amount of Ethanol to Add to Mixture to Get E85 ...Wallace Racing BACK to Calculators Todays date is 9/10/2023 For all you Bonneville Salt Flat people or wannabes ... If one takes a picture of a vehicle, it is the area included in the outline. Use the following to calculate: 1. Calculate the area of a rectangle which would encompass the front of the vehicle (multiply width by the height). For ...conversion scripts. Converts degrees Celsius and Fahrenheit; centimeters and inches; meters and feet; kilometers and miles; kilograms and pounds; milliliters to ounces;Calculate CA From RPM and Bore/Stroke Wallace Racing BACK to Calculators. These formulas are from A. Graham Bell's Performance Tuning in Theory and Practice.. This is the "minimum" Cross Sectional Area of the Port for the given RPM,and Bore and Stroke.I don't want to hijack the thread but what is the "optimal" instant center and anti squat for a stock suspension a body with a 29" tire. I have double adjustable uppers and lowers with solid bushings in rear. I used the calculator and came up with these figures: AntiSquat value is 45.5%. Instant center length 525". Instant center height 44".This calculator is based on Naturally Aspirated applications. Estimate Horsepower from Head Airflow; ... Typ Race Eng SuperStock ProStock/Comp Mountain Engines: Enter Number of cylinders: Input Head CFM, CID, and Test Pressure Please These calculations are for port work with no 'choke'. "Choke" is defined as the intake port with flow, but not ...Oct 10, 2023 · In the right side, input 1 for gallons and use your percentage of ethanol in your fuel. Click the Calculate button. This should give the amount of Ethanol percentage of the new mixture. If the answer is not 85 (for E85) try changing the gallon amount of the left side. (.25 posted above) Make it larger if the percent is lower than 85. Get your engine specs and cam card together and go to Wallace racing calculators to determine dynamic compression ratio. Cam makes a big difference. 8.0 dynamic compression is typically safe on 93. Also your cylinder pressure, I'm around 160 and it runs good at 10:1 static comp but the closer you get to 200psi the more on the edge you will be. ...A calculator to find all the necessary parameters of a camshaft. Wallace Racing BACK to Calculators Use Advertised Durations - usually at .006" If you use .050" Duration numbers the opening/close will be at .050"Calc 1/8th ET/MPH/Gear Ratio Compute ideal MPH and times at 60', 330', 660' and 1000' Compute MPH For 330' Time 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 NEWWallace Racing BACK to Calculators Todays date is 10/12/2023 This calculator is for entertainment value only. Not to be used in place of real testing. Use zero for Converter Slip if manual Transmission Calculate GEAR, RPM, MPH, TIRE DIAMETEROct 9, 2023 · Wallace Racing BACK to Calculators This Calculator will figure the duration and LSA of your camshaft using your inputs. This calculator is mainly for wide open throttle and based on HP peak RPM range. The duration is figured at .050" A Work in Progress. For Entertainment Only. Street Performance Calculator. Rear End Ratio. @ Desired MPH. Tire Diameter (Height) in Inches. Over Drive Ratio (1 for no OD) RPM at Given MPH.Automotive Calculators Try some of my high performance racing calculators. ET - HP Calculators; Convert ET To Today's Condition NEW; 1/4 Mile Stats Calculator Calculate Distance Traveled Using MOV; Calculate HP To Go 1 MPH More; Altitude Correction Factors; Drag Race Simulator; Calculate MPH Between Mile Posts NEW; …For those of you that don't have a plastic slip stick or just want to piddle on your calculator you can use the following estimate for power produced based on 1/4mile mph and vehicle weight. Hp (est) = (.00426 x mph)^3 x Veh wt Where mph = 1/4 mile trap speed, Veh wt = race ready weight including driver.Summit Cam Timing Calculator. This calculator will help you rapidly determine the perfect camshaft for your application. In the upper area, calculate individual valve events and lobe centerlines by entering Intake and Exhaust Duration, Lobe Separation and Advance. In the middle area, change the centerlines and see what it does to the individual ...RPM/MPH From Gear Ratio Calculator - by Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules! PONTIAC POWER RULES ! ! ! Gear - Speed CALCULATOR: Wallace Racing BACK to Calculators Todays date is 10/11/2023 MPH From Gears Calculator: Enter Vehicle Tire Diameter: Enter …Wallace Racing - Horse power Calculator. Todays date is 9/20/2023 Calculate your ET/MPH From HP/Weight. Back to Calculators Index. Acceleration Calculator ...Estimate Converter Slip. In order to get a realistic value, use: Your finish line MPH. Your finish line RPM. Your ring and pinion (gear size) Your circumference or roll out of the rear tires (excluding high growth profiles). Measure it. Fill In The Blanks. CONVERTER SLIPPAGE CALCULATOR.Wallace Racing BACK to Calculators. Todays date is 10/12/2023. This calculator is for entertainment value only. Not to be used in place of real testing. Use zero for Converter …The Wallace Racing Calculator is a tool used by automotive enthusiasts and racers to estimate various performance metrics for a vehicle, primarily focused on quarter-mile drag racing. It utilizes four primary formulas to calculate the following key parameters:Calculate Over Lap and Lobe Separation Angle. Wallace Racing BACK to Calculators. You need to use the advertised duration numbers and the seat to seat numbers to be accurate. Enter your Advertised Intake and Exhaust duration and Intake Opening and Exhaust Closing Points. LSA and Overlap Calculator.Wallace Racing BACK to Calculators Speedo Gear Calculator. At the bottom of the speedometer face, look for the numbers 940, 960, 1000, or 1020. These numbers correspond to the number of revolutions the speedometer cable must make to register one mile on the speedometer.Calculators to find 1/4 mile ET and MPH. 10/12/2023 03:15:41 AM Wallace Racing BACK to Calculators These equations are for recreation only. To find the ideal gear ratio for drag racing use your RPM at peak HP. Example: If your max HP is at 6300 RPM use 6300 for the RPM. Gearing for cruising To find the ideal gear ratio for cruising use your RPM at peak Torque. Example: If your max Torque is at 3300 RPM use 3300 for the RPM.If you then input 127.5 (%) for Volumetric efficiency this will be close to the minimum rpm at peak HP at your CFM. Head Flow From CID and RPM Calculator. Engine Size (CID): Number of Cylinders: RPM: Volumetric Efficiency (typically 100-127.5): FLOW at 28 inches:Calculators by Wallace Racing. ET - HP Calculators; C, Input you Bore and Stroke and CR please. Use this calculator to see what the effect of bore, stroke, rod len, RACE: Get the latest Ferrari stock price and detailed information including RACE news, historical c, Oct 8, 2023 · It is the effective CR that determines how much the fluid is actually compressed dur, RPM/MPH From Gear Ratio Calculator by Wallace Racing. , Calculate Camshaft Overlap From Lobe Centers and Duration. 10/11/2023 05:04:04 AM PONTIAC , Fox News anchor’s salaries range from Chris Wallace’s $1 million per year to Sean Hannity’s $29 milli, His Racing Calculator webpage is a wonderful help for many, includ, Convert Air/Fuel Ratio Values. Back to Calculators Index., Drag Race Simulator for. 1/4 mile, 1/8 mile or Top S, D-Link DP-300U 10/100TX 1-USB Port 2-Parallel Port Print Server., Piston Pin Height. Wallace Racing BACK to Calculators Todays d, Convert Air/Fuel Ratio Values. Back to Calculators Ind, mph, according to Hemmings. The quarter-mile time was recorded dur, September 30, 2023. Distance Of Margin Of Victory Ca, Calculate CA From RPM and Bore/Stroke - by Wallace Racing Home , To find the ideal gear ratio for cruising use your RPM at peak Torque, Automotive Calculators Try some of my high performance ra.