truck gear ratio calculator
Enter the following values. 275 is the WIDTH of the tire tread in millimeters, 75 is the ASPECT (or percentage of tread width to yield the sidewall height), and 16 is the WHEEL diameter. Metric tire specifications follow a three number format, for example: 275/75R16. Daily Slideshow: This killer F-100 build is what you might call a bit of a rebel. Road Speed Calculator Calculate the top speed for various axle ratios. A good way to calculate this is to multiply .12 by your Jeeps tire diameter (Example: .12 X 38" = 4.56). AutoAnything Gear Ratio Calculator Huge tires look awesome on your big rig, but monster mudders change your truck’s gearing, killing acceleration and draining precious MPGs. Ring and pinion ratios (also called axle gears) are expressed at tooth counts (e.g., 43/8) or decimal ratio (e.g., 4.27:1). This calculator will give you the gear ratio, just plug in the numbers. The left side of the calculator requires all three entries. But there’s hope, swapping in ring and pinion gears with a higher numerical ratio compensates for your mods. Think I fried my PCM, advice? Or, change input variables (engine RPM, axle gear ratio and tire height) to determine vehicle speed in each forward gear. The gear ratio selected for the drive axle impacts the truck's available top-end speed, ability to haul or pull heavy loads, and overall fuel economy. The tooth count ratio of 43/8 means 43 teeth on the ring gear and 8 teeth on the pinion gear. Select the value you want to solve for. How Does the 2021 F-150 Stack Up to The 2021 Silverado? Ring / Pinion - Gear Ratio: Okay, so you've torn your pumpkin apart and have the ring gear and pinion gear teeth count. Scroll through the list of popular transmissions to find yours. Back to Calculators Index. ... trucks, and of course, hot rods. Determining actual Tire Diameter or “Height” is the first step to using the RPM calculator to find the best gear ratio. Posted In 1999 - 2003 7.3L Power Stroke Diesel. Gearing for the strip To find the ideal gear ratio for drag racing use your RPM at peak HP. Gear Ratio And Tire Size Calculator When you change your tire size you need to make sure you have the right gearing to get optimal fuel economy and power. If you want a bit more power, for rock crawling, go with something closer to the Lo Ratio number. Advertising | Contact Us | Cookie Policy | Todays date is 3/22/2021 Calculate your Rear End Gear Ratio Needed. Engine RPM Transmission gear ratio This calculator will help you compare the total cost of ownership of an UltraShift HV equipped truck compared to an Allison Automatic transmission equipped truck. Ring Gear/Pinion Gear Teeth to Gear Ratio: ... Now that you have your truck lifted, you want bigger meats. Calculate Rear End Gear Ratio needed. Read It. Building a Shop. For the Tire field, enter your tire diameter in inches. Overall Gear Ratio Calculator ... Posted In 1961 - 1966 F-100 & Larger F-Series Trucks. The New Ratio box will show the ideal gear ratio (getting as close to stock as possible). « Modification Cost Effectiveness Calculator Overall Gear Ratio Calculator ... 1955 Ford Truck With Diesel Power is Unique in Every Way. Ring & pinion gear ratio Tire height (in.) Posted In 1948 - 1956 F1, F100 & Larger F-Series Trucks. Use our simple Gear Ratio Calculator to quickly find the correct gear ratio for your ring and pinion gear set. If we divide 43 by 8 we get 5.375, which is usually rounded to 5.38. The right side will show the results. Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Use this calculator to determine your gear ratio and vehicle’s speed in any gear and any engine RPM for best performance. The tire field, enter your tire diameter in inches by 8 we get 5.375, which usually! The numbers ratio, just plug in the numbers 5.375, which is usually rounded to 5.38 43... 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