_{Wallace race calculator. I like the Wallace Racing Calculators and they are pretty damn close to be accurate as long your honest about your input. ... Don I can calculate my 1/8 by 1.55 on almost every time slip. I would say somwhere in a high teen as well about 172 MPH.....just a guess though. ... Come join the discussion about racing, builds, pro mods, hot rods ... }

_{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.Back to Calculators. Index. Carb/TBI CFM Calculator. Required Intake CFM This calculator will help you determine your engine's intake volume requirements. Enter the engine's displacement, Volumetric Efficiency, and its redline. The calculator will tell you the cfm range you need.This calculator will get you back to a ratio that's closer to your original. Enter the values on the left and press Compute. This formula is a nice way to get the tire diameter of those metric tires that are common on just about everything stock. For example a 265/75R16 would be around 31.6 inches tall. Enter the numbers into this form in the ...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. Wallace Racing BACK to Calculators Todays date is 10/1/2023 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.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 …Lift Changes with Rocker Arm Ratio Variations. Enter the required information into the white boxes and click results! Tips. Rocker Arm Ratios.... insert them as 1.5, 1.6 etc. Insert the valve lift as a decimal, for ex. .480. Current Rocker Arm Ratio : Valve lift for the lobe affected: New Rocker Arm Ratio: The thrill of watching a NASCAR race live is something that every racing fan should experience at least once in their lifetime. From the roar of the engines to the smell of burning rubber, there’s nothing quite like being in the stands and ... Piston Pin Height. Wallace Racing BACK to Calculators Todays date is 10/8/2023. Compression Distance Height. Rod Length: inches. Stroke: inches. Finished Block Height: inches.This calculator uses the Motorsports Standard Atmosphere (MSA). (Not ISA - International Standard Atmosphere) Grains - Grains of water vapor per pound of dry air. The HP Correction is a better determination of ET than the DA (Density Altitude). I have included them for your benefit.Racing calculators for determining horsepower, ET, MPH, converter slip, engine displacement and more. Racing Calculators: ¼ Mile Horsepower Calculator: MPH: Weight . HP . Enter the MPH and Weight and Click on Calculate... HP = Weight * (MPH / 234) ^3: ¼ Mile ET & MPH Calculator #1: Weight:Top Speed HP Calculator. 10/6/2023 02:44:28 PM. Wallace Racing BACK to Calculators. To figure the Horsepower required to run a top speed (like Bonneville), you'll need the Co-eficient drag (Cd) of the vehicle,weight,frontal area (sq/ft) and the speed you're interested in. Here's a list of some Cd's for Pontiacs. Pontiac Cd. Result: Octane Rating. Stoichiometric Ratio. Gallons of Gas. Gallons of E85. Calculate ethanol percent of mixture with ZFG Racing E85 Calculator. by: Heinz Heisler. publisher: SAE International, published: 1995-09. This book provides a comprehensive reference for anyone wanting to study the way in which modern vehicle engines work, and why they are designed as they are. The book covers virtually all configurations of commercially-produced engines, and features the latest engine ... The first calculator link posted by OlYELLER was Wallace's 1/8 mile calculator, which is very inaccurate. The Wallace calculator I posted shows: 121.45 @ 3995 = 515 RWHP and 573 flywheel HP. The Moroso says just under 550 flywheel HP, 121.45 @ 3995.Using that calculator to find cranking and dynamic compression ratios give me results that differ from actual readings. Dynamic CR (or as I prefer, Trapped CR), is merely a ratio resulting from chamber volume, displacement, and IVC. In order to obtain compression pressure, and more importantly compression temperature, we need to know the ...September 30, 2023. Distance Of Margin Of Victory Calculator. Enter Time Slip Data: Margin of Victory (MOV) : MPH of Racer Who Crossed the Finish Line Last: Fill In The Blanks, Please. Use the calculator to find out your Margin of Victory in feet.I just built a 273 that will spin 8 but lightened my spring load and I keep the rev to 6 as the valve train was really tight and I was afraid that spring pressure was going to wipe out my mechanical cam. Dyno was 355hp at 8 but with the new lighter springs it was 317hp at 6200rpm. $10k to make...Calculate Camshaft Overlap From Lobe Centers and Duration. 10/11/2023 05:04:04 AM PONTIAC POWER RULES ! ! ! Camshaft Overlap Calculator: Use Advertised Duration ... PONTIAC POWER RULES ! ! ! Horsepower Calculator From 1/4 Mile Stats. Wallace Racing BACK to Calculators Todays date is 10/8/2023. 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.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 ...Back to Calculators. Index. Carb/TBI CFM Calculator. Required Intake CFM This calculator will help you determine your engine's intake volume requirements. Enter the engine's displacement, Volumetric Efficiency, and its redline. The calculator will tell you the cfm range you need.Wallace 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) ...Tire Height (in) = (Width (mm) / 25.4 * Aspect Ratio / 100 * 2) + Wheel diameter. Tire Width (in) = Width (mm) / 25.4. Tire Width (mm) and Aspect Ratio Based on Height and Width (in.) Enter the Tire Height in Inches, The Tire Width in Inches, The Wheel Diameter in Inches, Then Press 'Enter' Key. Tire Width (mm) = Tire Width (in) * 25.4. Using only your car's power and weight, it will estimate its 1/4-mile elapsed time (ET) and final speed (trap speed). With this quarter-mile ET calculator, you can: Set a target time for your drag race. See how a power upgrade to your engine affects your ET. Learn how reducing the car's weight affects its performance.2,098. Reaction score. 4,273. Location. Ahwahnee, (Fresno) California. I am going to have a new motor built for my 65 Belvedere. I want it to run in the B/Gas class here at my tracks in California. That class is 8.60. I checked with Wallace Racing Calculators and it looks like I will need 950HP at my 3100lb weight (with driver) to get to that ET. CNN —. Bubba Wallace made history Monday, becoming just the second Black driver to win NASCAR’s Cup Series race, the association’s top series. Wallace is the first Black person to win the ...Sep 10, 2011 · Starting Line Ratio Calculator. Wallace Racing BACK to Calculators. Use this calculator to see what your starting line ratio is. You can also use a different tire height to see how it affects the SLR. (see the effects of tire height change without changing the rear gear ratio) 4-Link Calculator v2.0 (std and Plus version) for Windows XP/Vista/Win 7/Win 8/Win 10/Win 11. Computer Program to Simulate and Analyze Rear Suspension 4-Link Setups for Instant Center, Pinion Angle and Driveshaft Angle Change, Anti-Squat %, and More for Drag Racing. Click here for new Plus Version's features. Overview:Wallace Racing BACK to Calculators This Calculator will figure the Piston Compression Height using your inputs. Piston Compression Height: Deck Height: Deck Clearance: Rod Length: Stroke: Top Ring Thickness: 2nd Ring Thickness: Wrist Pin Diameter:Wallace Racing Calculator For Figuring Limiting Port Velocity Of Ports Head Flow From CID and RPM Calculator Calculate Head Flow From CID and RPM - by Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules! www.wallaceracing.com Estimate Intake Airflow needed …Calculate What Intake valve OD Would Be From RPM and CID. And A. Graham Bell s Performance Tuning in Theory and Practice.. VALVE / BORE Ratio The valve to bore ratio should be: 52-52.5% of the bore for Wedge heads. 53-53.5% for Canted valve, rotated canted valve (Mopar P/S hemi) and true Hemi. If you decrease intake exhaust ratio down to 70-71% ...The return to the track definitely showed a clear improvement! The best pass should've translated to somewhere around a 9.96-second pass at 143 mph in the quarter-mile (using the Wallace Racing calculator). We are counting this as a success, but we'd like to hear what you think. Wallace Racing BACK to Calculators Todays date is 10/11/2023 MPH From Gears Calculator: Enter Vehicle Tire Diameter: Enter Vehicle Rear Gear: Enter Vehicle Trans Gear ... Grains - Grains of water vapor per pound of dry air. The HP Correction is a better determination of ET than the DA (Density Altitude). I have included them for your benefit. New ET From HP Change Calculator. New 1/4 Mile ET From HP Change Calculator. I went to Wallace racing / calculators / calculate mph - gear 6800 rpm peak HP (peak HP is your theoretical ideal rpm to cross the line in 3rd gear although many racers see their quickest fastest 2 or 300 rpms pask peak) 28.0" tire assuming 275/60/15 4.56 gear 1-1 final drive ratio (3rd gear) Answer 124 mph if she had a perfect launch and the power to pull it. 110 mph isn't near your peak HP ...Centrifugal Blower Pulley OD/UD Calculator, blower overdrive calculator, blower underdrive calculator, pulley calculator. Back to Calculators Index. ... Design of Racing and High-Performance Engines - 1998-2003: Engineering Fundamentals of the Internal Combustion Engine:Wallace Racing BACK to Calculators Todays date is 9/16/2023. Estimate RPM That Peak Horsepower Will Occur : Enter Head Air Flow in CFM (at 28 in. of water): Enter Engine CID: Input Head CFM and CID, Please This calculator shows at what RPM peak HP should occur based on engine displacement. These calculations are for port work with no 'choke'.Wallace Racing BACK to Calculators. Enter your 1/8th Mile ET and 1/8 Mile MPH of your car. 1/8th Mile ET: 1/8th Mile MPH: Input your 1/8th Mile Stats, Please ...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.Wallace Racing BACK to Calculators Todays date is 10/3/2023 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. ...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:Finally, there is a 0-60 calculator on the Wallace Racing site. This calculator uses only the eighth mile time and speed to estimate the 0-60 times. I compared dozens of my timeslips using both methods, and they generally agreed to within a few percent. Pretty good for an engineering estimate.Here's another site you might like: Wallace Racing: Dynamic Compression Ratio Calculator Camshaft Overlap Calculator - Wallace Racing On the dynamic CR calculator I plugged-in the values and used 74° intake valve closing. Since I didn't know what it is on your cams. I used the value published for the Alfa "S" cams. According to the Wallace racing site: SCR: 9.77:1 DCR: ... Use the .050" plus 15° closing number on the Wallace calculator and you get a very similar Dynamic number to the KB calculator. Go to Wallace's Effective Compression Ratio calculator, use the .050" plus 15° and you get the exact same result as the KB....but this calculator also asks ...The amount of time, expressed in crankshaft degrees, that describes the window of time between the the Inlet Cam's opening point BTDC and the Exhaust Cam's closing point ATDC. This figure can vary between zero degrees on some stock cams to as much as 70 to 90 degrees on some race motors. In general most street engines will have 20 to 30 degrees ...His Racing Calculator webpage is a wonderful help for many, including me. I use his conversions very frequently I thank him a lot for making all them available for all of us. Wallace RacingInstagram:https://instagram. fontalicrealm grinder buildse60 the survivorfunny inappropriate birthday memes Oct 11, 2023 · Cranking Compression Calculator. For the IVC (Intake Valve Closing) data, the seat to seat timing of the cam is used. NOT the .050" timing data. Cranking Compression Calculator. Number of Cylinders : Bore in Inches : Stroke in Inches : Rod Length in Inches : Static Compression Ratio : EAN: 9781560328315. sales rank: 1331070. price: $171.23 (new), $149.95 (used) This book addresses the two-stroke cycle internal combustion engine, used in compact, lightweight form in everything from motorcycles to chainsaws to outboard motors, and in large sizes for marine propulsion and power generation. knot couple finderdte outage map monroe michigan Calculator For Figuring Limiting Port Velocity Of Ports. There exists a minimal port area for each combination that meets your target for peak rpm. With almost every cylinder head (or intake) this power limiting port area is the constriction between the push rods (or the most limiting intake runner cross section). ronnie coleman squat max 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.Automotive Calculators Try some of my high performance racing calculators. ET - HP Calculators; Convert ET To Today's Condition NEW; 1/4 Mile Stats CalculatorThe formula itself is T2 = T1 x (D2/D1) 1.06 where T1 is the given time, D1 is the given distance, D2 is the distance to predict a time for, and T2 is the calculated time for D2. It is adjusted ... }