In other words, the only engine parameter which influences VE is mean piston speed (MPS). Mean piston speed is merely the distance the piston travels per crankshaft revolution times the crankshaft (engine) rpm. In formula form: MPS = STROKE x RPM/6. For 389 thru 455 CID. the strokes 3.75",4.00" and 4.21" are applicable.This calculator will determine what the new lash should be for the new rocker arm ratio. New Lash From Rocker Ratio Change Calculator. Old Rocker Ratio: New Rocker Ratio : Original Lash: Input DATA Please. Calculate New …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: The correction factors are .9367 and 1.0661 for 5000'. (14.4 * .9367) = 13.50 , (103 * 1.0661) = 109.80 MPH. So the correct timeslip would be 13.50 @ 109.80 MPH at sea level) Altitude Correction factors by Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules!Flow Conversion. CC/Min To Lb/Hr. Convert cc/min to lbs/hr. Input Data please. Flow Conversion.Try this excellent book for more info: A. Graham Bell's Performance Tuning in Theory and Practice.. Calculate Max RPM From Head Flow. Engine Size (CID): Number of Cylinders: Head Flow at 28 inches: Volumetric Efficiency (typically 100-127.5): RPM: Input your CID please.The best place to start is to get a good figure, then reduce the volume slowly until you get a slight power loss. The next-to-last (before the loss) volume -10% is what to run on the car. Larger the engine and higher operating range the larger the plenum and runner volume can be. In general if the runner area and length is good but the motor ...Oct 8, 2023 · It is the effective CR that determines how much the fluid is actually compressed during engine operating and therefore the minimum octane rating necessary to avoid pre-detonation. This is why some engines require 100+ octane with an 11:1 compression ratio while others are perfectly fine on 91 octane with a 13:1 compression ratio. In particular, the Wallace Racing- Mach Index calculator. Thanks, Top. twl Expert Posts: 666 Joined: Thu Feb 21, 2013 4:13 pm Location: Re: Accuracy of Engine Calculators. Post by twl » Sun Oct 20, 2013 10:57 pm. I have used them, and they seemed to be pretty close in my case. The better your input data is, the better they will be. Top.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 ...A running pace calculator is a tool that helps runners predict their race times based on their average pace. If you're looking to predict your 5K race time or your marathon time, a running pace calculator can help. Our running pace calculator helps you predict how a small change in pace will affect your race time.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. Enter your 1/4 Mile ET/Speed and Weight of your carCylinder Head Chamber Volume, cc's. #400 bored .060" %428 bored .060" ~455 bored .060" *Actual displacement of 350. The above figures assume 10 cc for .042" (crushed) head gasket, 6 cc valve reliefs for 400 stock pistons, 5 cc for -. 023" deck height on 4.120" bore and flat top pistons (no dome). To correct for pop-up pistons, subtract dome ...When it comes to planning a holiday, there’s nothing quite like the feeling of anticipation that comes with booking a coach tour with Wallace Arnold. With over 70 years of experience in the business, Wallace Arnold has become synonymous wit...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 ...(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 …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.Calculators to find 1/4 mile ET and MPH. Wallace Racing BACK to Calculators Todays date is 10/11/2023 This is just an approximation. Uses just bore and stroke to calc what your HP could be on average.Our marathon time calculator will automatically display the speed you need to achieve such a result – 10.55 km/h. The next value, your required pace, is what probably interests you the most. To make a marathon in under 4 hours, you need an average pace of 5.69 min per km (5 minutes and 41 seconds).Reading Alcohol Spark Plugs. full-turn = richer , safer, almost all air is used full-turn thats darker= richer , plenty safe or maybe too rich darker means not enough heat to burn deposits off and/or the soot of rich combustion is leaving its color deposited onto base-ring. Thicker layer of darker soot all the way around the base-ring 3/4 turn ...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: We would like to show you a description here but the site won't allow us.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 ...Back to Calculators. Index. Carb CFM Calculator. Required Intake CFM This calculator will help you determine your engine's intake CFM requirements. Enter the engine's displacement, Volumetric Efficiency, and its redline. The calculator will tell you the CFM range you need.Linksys PSUS4 PrintServer for USB with 4 Port Switch. HP Wireless Printing Upgrade Kit. IOGEAR USB 2.0 Print Server, 1-Port. Xantrex Technologies 851-0400 XPower Plus 400-Watt Inverter. Home Wind Turbine 600w/12V - Small …Stock long block, untouched 487 heads, 280H .480/.480 cam, GT4082 58mm turbo (non-intercooled), blow through 600 double pumper, performer intake, stock HEI (with a 5462 MSD). In a 4000lb full-size chevy truck it went 7.90s@86 in the 1/8th and 12.60s@106 in the 1/4...so I'd guess it made around 360-370rwhp on 10psi.When you don't have a quarter-mile track at your disposal, there is a way to guestimate what your vehicle would run in the 1320 based on its eighth-mile elapsed time. Simply take your eighth-mile time and multiply it by 1.57. For example: a 7.70-second eighth-mile means you've got a vehicle capable of going 12.0 in the quarter-mile.Nov 15, 2021 · The diesel guys can calculate peak power based upon the amount of fuel injected and duration during the power stroke. Bit tougher to do the same with a gasoline motor. If you are starting a bit more basically. Multiply by 0.85 for friction and other inefficiencies. FrozenMerc, Nov 15, 2021. Calculate Distance Traveled Using MOV; Calculate HP To Go 1 MPH More; Altitude Correction Factors; Drag Race Simulator; Calculate MPH Between Mile Posts NEW; …While using these calculators in your planning, please remember the following: While these calculators will calculate out to six (6) decimal places, they will round to three (3) decimal places when they are displayed, and any figures you enter will also be rounded to three (3) places when the results are displayed.; Piston Head Volume and Deck Clearance.Looking for actual driveshaft RPM for critical speeds calculator. I'm looking at a new driveshaft and the company will only tell me the rated critical speed and torsional tolerance. I need to turn this in to English. Anyone know of a good one?Wallace Racing. Calculators; Tech Articles; Search Codes; Menu; Calculators and Tech Articles; 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'Calculate 1/8 mile ET,MPH and Ideal Gear Ratio using HP - by Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules! ... Wallace Racing BACK to Auto Math. Calculate 1/8th Mile Stats: Calculate 1/8th Mile Stats: Vehicle Weight (in pounds): Vehicle Horsepower: RPM through lights: Tire …Input you Bore and Stroke and CR please. Use this calculator to see what the effect of bore, stroke, rod length, cam timing, compression ratio, boost pressure and altitude is on your dynamic compression ratio. Of the variables, the most important is cam timing which has a dramatic effect on your "dynamic" as opposed to your static compression ... This Calculator will get the tire diameter of metric tires that. For example a 265/75R16 would be around 31.6 inches tall. ... Race Car Vehicle Dynamics: Street Turbocharging: Alison Balter's Mastering Microsoft Office Access 2003: Access 2003 Bible: D-Link DP-300U 10/100TX 1-USB Port 2-Parallel Port Print Server: HP Wireless G Print Server: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'.GenForum is a social networking site that has become very popular. Learn all about GenForum at HowStuffWorks. Advertisement What do Jimmy Carter, William Wallace and Methuselah have in common? Hudson, Ohio resident Dorothy J. Click Lehman. ...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.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.The diesel guys can calculate peak power based upon the amount of fuel injected and duration during the power stroke. Bit tougher to do the same with a gasoline motor. If you are starting a bit more basically. Multiply by 0.85 for friction and other inefficiencies. FrozenMerc, Nov 15, 2021.The HP Correction is a better determination of ET than the DA (Density Altitude). To figure out your HPC use this: ADI Calculator. New ET From HPC Change Calculator. ET : MPH : Original HPC @ ET : New HPC (conditions now) : Input DATA Please.Results are more accurate if you have a pair and drive a real Pontiac powered vehicle. Reply. Save. B. bracketchev1221 · #7 · Oct 15, 2017. Well either the mph at the 1/8 is off or your car does not leave real well. Generally 5.90's takes about 15 mph less at the 1/8. Best ET 8.87 at 151 @ 3200 lbs. Sold 3/18. Reply.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.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.Check out the Wallace Racing Calculator: Wallace Racing - Calculate New HP From Change In Compression Ratios Calculator Hope this helps. ("Your old Compression Ratio of 10.5:1 and HP of 350 is now calculated as a Compression Ratio of 9.5:1 and 346.29 Horsepower.") OP: Hmmm- I think that Calculator might need some new batteries in it.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.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.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.This calculator will determine what the new lash should be for the new rocker arm ratio. New Lash From Rocker Ratio Change Calculator. Old Rocker Ratio: New Rocker Ratio : Original Lash: Input DATA Please. Calculate New …Calculate Camshaft Overlap From Lobe Centers and Duration. 10/11/2023 05:04:04 AM PONTIAC POWER RULES ! ! ! Camshaft Overlap Calculator: Use Advertised Duration ... Wallace Racing BACK to Calculators Todays date is 10/6/2023 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.Use the following calculator to estimate the pace for a variety of activities, including running, walking, and biking. The calculator can also be used to estimate the time taken or distance traveled with a given pace and time or distance. Note that placeholder zeros do not need to be entered in the "Time" or "Pace" field.Wallace Racing - Horse power Calculator. ET/MPH From Horsepower Calculator: Weight is as the car sits at the line: driver and gas in the car.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. ...Maintenance mode is on. Site will be available soon. Thank you for your patience!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.Calculate Boost Compression Ratio. PONTIAC POWER RULES ! ! ! Calculate Boost Compression Ratio: Wallace Racing BACK to Calculators Todays date is 10/12/2023. Boost Compression Ratio Calculator: Boost Pressure in PSI : Static Compression Ratio : (:1) Altitude : (Feet) Back to Calculators ...Stock long block, untouched 487 heads, 280H .480/.480 cam, GT4082 58mm turbo (non-intercooled), blow through 600 double pumper, performer intake, stock HEI (with a 5462 MSD). In a 4000lb full-size chevy truck it went 7.90s@86 in the 1/8th and 12.60s@106 in the 1/4...so I'd guess it made around 360-370rwhp on 10psi.Calculate Cubic Inch Displacement of Your Engine. Enter The Bore: Enter The Stroke: Enter Number of cylinders: Please Input the Bore, Stroke and Number of Cylinders. Back …Gear Ratio Calculator. Ring-and-pinion selection made easy! Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Just type in your info (example: 5000 RPM), press calculate, and you'll get the right ratio without the guesswork. Solve For.Back to Calculators Index. Use this calculator to see what the effect of bore, stroke, rod length, cam timing, compression ratio, boost pressure and altitude is on your dynamic compression ratio. Of the variables, the most important is cam timing which has a dramatic effect on your "dynamic" as opposed to your static compression ratio.Fill in any four of the five values to calculate the fifth. Stroke - The stroke of the crankshaft in inches. Distance piston moves from TDC to BDC. Rod Length - The rod length center to center of pin hole and big end in inches. Piston Pin Height - Also called compression height; center of pin hole to top of flat part of piston.Calculate Your Dynamic Compression Ratio. Use this calculator to see what the effect of bore, stroke, rod length, cam timing, compression ratio, boost pressure and altitude is on your dynamic compression ratio. Of the variables, the most important is cam timing which has a dramatic effect on your "dynamic" as opposed to your static compression ...HP from Fuel Injector Size Calculator; Injector Size (lb/hr) Number of (same size) Injectors: B.S.F.C. Max Duty Cycle in % Input All Data please Brake Specific Fuel Consumption: Around .45 to .52 for naturally aspirated engines,.55 to .60 for supercharged engines, and .60 to .65 for turbocharged engines. ...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. ...Flow Conversion. CC/Min To Lb/Hr. Convert cc/min to lbs/hr. Input Data please. Flow Conversion.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 10/10/2023 09:44:50 AMWallace Racing BACK to Calculators. Superflow determined a long time ago that the maximum ideal value for head flow ratio is 146 cfm/sq.in. This number is for an 'ideal' frictionless orifice with no dump or expansion losses. A good ratio would be 133 cfm/sq.in. for a single intake valve. 137 cfm/sq.in. is good for a 2 intake valve setup.Wallace Racing BACK to Calculators Todays date is 3/16/2023 Piston weight in grams includes: Piston Piston Pin Rings Pin Retainers With this calculator, you can see the effect of what a different rod length will have on the rotating inertia of your engine. Compare what the results are with your rod length then use a different rod length to see ...Calculate Cubic Inch Displacement of Your Engine. Enter The Bore: Enter The Stroke: Enter Number of cylinders: Please Input the Bore, Stroke and Number of Cylinders. Back to Calculators Index. Calculate Cubic Inch Displacement.Wallace Racing - Piston Speed Calculator. Todays date is 8/31/2023. Calculate Piston Speed.Wallace Racing - Cam Degree Calculator PONTIAC POWER RULES ! ! ! Cam Degree Calculator Wallace Racing BACK to Calculators Use Advertised Durations - usually at .006" If you use .050" Duration numbers the opening/close will be at .050". Calculate Cubic Inch Displacement of YouCalculate Piston Pin Height: Wallace Racing BAC Calculator Instructions. Follow these simple steps to figure out how much to bet. Select a bet amount in the left column. Select a bet type in the right column. Select the horses to include in the wager. The total cost of the ticket will appear next to the words Ticket Cost. Pretty easy, huh?!Fox News anchor’s salaries range from Chris Wallace’s $1 million per year to Sean Hannity’s $29 million per year. Sean Hannity’s salary includes both his income from his Fox News show as well as his syndicated radio show. Input you Bore and Stroke and CR please. Use this calculator to see 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. 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. Wallace Racing BACK to Calculators. These ca...

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