Pick the tire hiegth, pick your gear ratio. A gear ratio of 3.55 means that the number of teeth on the ring gear is divided by the number of teeth on the pinion to give the ratio 3.55. For the Tire field, enter your tire diameter in inches. The mathematical equation for Horsepower is; Torque X RPM/5252 = HP. Recalculate the maximum vehicle speed using equation (11) and round towards nearest integer. If you are measuring your tire, measure from flat ground up to the center of the hub and multiply that number by 2. They include the calculations for all gear sets and pinion ratios. ford 9 inch rear end gear ratios chart. There is a gear ratio stamped on the tag. The entire S550 Mustang generation has had 4, due in part to the limited-slip differential option. Right down that RPM number. Locate the VIN Code: First and foremost, you need to find where the VIN code of your vehicle is at. The lower the gear ratio, the more rpm required to maintain a given speed with equivalent tire sizes. Category: Date Codes and Casting Numbers. For Hydramatic trannies, I think the ratio was 3:08. If you have a 3.42 rear end ratio and need more towing power you would switch to a 4.10 ratio . Since my interest now includes 1954 and 1956 mechanics I closely reread this chart. If you take a few moments to study the gear chart for your transmission and rear end ratio combination you will see why this product is so popular. Count the number of times the drive shaft spins to one revolution of the tire. If you are trying to get the best fuel economy possible for your truck, a lower ratio is a great way to do it. One of the primary reasons why the 9" Ford rear end has come to dominate drag racing is the ease with which thirdmembers with various ring & pinion gear ratios can be installed. Don't let scams get away with fraud. The color codes indicate: Highway, Good Fuel Economy Best Overall Performance The chart is based on RPM levels at 65 mph (105 kph) and a drive train running at a 1:1 gearing ratio, meaning the transmission and transfer case are passing power straight through at a one to one ratio without reducing or overdriving the engines rotations per minute before it reaches the differential. For the Tire Height field, enter . The overall First gear ratio with the TH400 and 4.10:1 rear gear would be 2.48 x 4.10 = 10.168:1. Then the formula would be calculated as: (38*3.91)/30 giving you 4.95. In this video I break down in great detail the speed at which your car will be going for every 500 engine RPM with each typical rear gear ratio for each gear. come dine with me brighton 2018 Par Publi le Juin 6, 2022. Ratio: H01 Rear Axle 3.07 H04 Rear Axle 4.11 H05 Rear Axle 3.73 H12 Rear Axle (Eaton 21065S) -- H42 Rear Axle 6.17 H43 Rear Axle 5.43 HA3 Rear Axle 5.29 . Footer. If it turned 4 and a quarter times, it's a 4.25:1 ratio. A Simple Formula. +1 (310) 361-0020. Figure I below is a chart of rear wheel torque increases; to find the torque . For example: 41 . Solve For Gear Ratio (ex. Now you can determine what fingal gear ratio you need for your average driving and speed. Therefore, this implies that a ring gear with 41 teeth and a pinion with ten teeth results in 4.10:1. This chart shows you the cruise rpm at 60 miles per hour based on gear ratio and tire height. ford 9 inch rear end gear ratios chart. In fact, the Ford F-150, which is considered the best-selling truck of all time, offers trucks with a 3.15:1 ratio at the lowest end of the spectrum. The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below. What do gear ratios tell us? chris4x4, May 26, 2015 #17. To find the gear ratio, divide the big number by the little number. Q#tbm=isch&q=rear+differential+planetary+gear . Econo Rear Brake Kits; Gears. Wulf, Jul 17, 2015 Skip to content. Next is a list of speeds vs RPM running low pro 22.5 tires. Gear Ratio Finder Gear Ratio Calculator Ring and Pinion Setup Specs Thick Gears and Carrier Breaks Identifying Ford Vehicles Equipped with OE Traction Rear Ends. Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled "Service Parts Identification" inside the drivers door panel or glove box. So from that example, we can see that the tag above is a 7.5 inch axle with 3.73 gears. Luckily, Late Model Restoration has put together this Mustang gear ratio to RPM chart to help identify which gears your Stang may have installed. Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the . A higher number denotes a lower ratio. Axle Ratios or Axle Codes. Enter the number of teeth on your ring and pinion gear set to find the gear ratio. For example, if the axle ratios were listed as 3.31:1 and 3.42:1 and 3.55:1 and 4.10:1, the lowest ratio of the four gears is 4.10:1. how to record directors salary in quickbooks Accept X Use this calculator to determine your gear ratio and vehicle's speed in any gear and any engine RPM for best performance. To find out which rear gear ratio your Mustang has, use the charts below. Rear Axle Gear Ratios. 0. 45) With a 3.36 rear gear ratio that puts the final drive at 8.46. Listed are the expected RPM's at 60 MPH with a given rear end ratio and tire height. This calculator will help your hot rod or street machine get to the next level without red-lining your engine. ford 9 inch rear end gear ratios chart. For instance, changing from a 2.41:1 ratio to a 3.73:1 ratio will provide a rear wheel torque increase of 55%. While the parts catalog says " The third digit of the axle . A gear ratio of 3.55 means your transmission is seeing a good output of energy. Higher Gear ratio (15 front teeth, 40 back teeth = 2.67) Using the first link, my top speed in 5th would be = 65.19mph*. The most common code for this is "17." The next step would be to look at the tag on the rear end to see if the ratio matches the code on the door tag --if the tag is still attached to one of the (10) studs that holds the 3rd member to the rear end housing. Write down that number. Example: If the drive shaft spins 3.5 times to one tire revolution, the ratio would be close to 3.55; 4 times is 4.10; 3 and 3/4 times is . 28) MPH (ex. 2.64 gears; 62 mph=1390 rpm, 65 mph=1450 rpm, 70 mph=1625 rpm. Multiply that number by any speed, 50, 60, 75 etc. GM B-Body Complete 9" Rear End Packages. Divide the New Tire Height (measured in inches or CM) by the Old Tire Height, then Multiply by the Original Gear Ratio: New Tire Height / Original Tire Height X Original Ratio = Return to Stock Ratio. (.12 X 38" = 4.56) The below table can be used to get a rough idea on gear ratios. Call: (800) 510-0950. Engine RPM at Cruise Speed Example: If you want to Cruise at 60 MPH at 2000 RPM and your Tire Diameteris 30", the Gear Ratioyou need is a 3.00 Formula to calculate Gear Ratio based . From the measly 2.26:1 gear found in some of the first years of the Fox Body Mustang to the 3.73:1 ratio found in some of the most current performance models, Ford has offered factory gear choices to fit almost every driving style! $289.99. XTREMELINER POSTER Download the PDF for quick reference. Impreza AWD 93-01 Auto 2.2L are 4.111. Report at a scam and speak to a recovery consultant for free. Published: June 7, 2022 Categorized as: pronomi diretti e indiretti loescher . For example, if it turned 3 and a half times, it's a 3.50:1 ratio. Put a chalk mark on the top of the tire and the top of the drive shaft. * I used the default settings of 20in tires and rpm of 8250. Published: June 7, 2022 Categorized as: pronomi diretti e indiretti loescher . This chart applies to all Ford non-overdirve transmissions, manual and automatic. A gear ratio of 3.55 is on the higher end of the spectrum (although not the highest). Axle ratio or rear end gear ratio is calculated by dividing the number of teeth on the ring gear by the number of teeth on the pinion gear. liquor store inventory cost. Jul 16, 2015 at 7:30 AM #18 #18. . The following table shows the various Ford part numbers and gear ratios for the matched ring and pinion gear sets used on 1928 through 1934 Model A (103-1/2" WB) and Model B (106" WB) Ford car and commercial chassis, not trucks. For maximum performance with less converter slip at the lockup point, your converter's stall speed should stall close to these figures. Don't let scams get away with fraud. RPM - Rear End Ratio Chart The chart below may be of some help in deciding what rear end ratio is right for you. Then, change Richmond's performance gear ratios and beat your best time! 10 SPLINE POSTER Download the PDF for quick reference. Published: June 8, 2022 Categorized as: moroccan rotisserie leg of lamb . The Hudson rear ends (pre-late '52) had a 4:10 ratio for non-OD, 4:56 ratio for OD, and an optional 3:55 rear ratio for non OD. Enter your 1/4 mile race car's information into our calculator to see how well you will perform. The chart below will help you to select the optimum gear ratio to bring the power and torque back to where you want them. Select the value you want to solve for. Just like a torque converter increases torque and it allows a automatic transmission to run a higher gear. Now what helps with this magic number is torque. gear ratio: The number of rotations of the crank arms per revolution of the rear wheel. . ford 9 inch rear end gear ratios chart. 5000) Tire Diameter (in.) The original tire size is 30" and the original gear ratio is 3.91. (Accurate identification using the GM RPO code assumes that the rear end has not been previously modified) The prefix is usually F, G or H when referring to . 8.8" Ford Gears; 9" Ford Aluminum Center Section Assembly; 9" Ford Center Sections; 9" Ford Lockers; 9" Ford Gears; 9" Ford Aftermarket Cases; Full Spools; 7.5" GM Gears; 8.5" GM Gears; Mini Spools; Installation Kits; Nodular Iron Center Section; Pinion Supports; 9" Ford Pro Gears; Rear End Bearings; Xtreme Light . ford 9 inch rear end gear ratios chart ford 9 inch rear end gear ratios chart. Don't let scams get away with fraud. Tyre diameter is automatically calculated from tyre profile info e.g. Or, change input variables (engine RPM, axle gear ratio and tire height) to determine vehicle speed in each forward gear. Put the transmission in neutral and spin the rear wheels. A vehicle's rear axle ratio is numerically expressed. It can scale hills relatively easily . Most differentials nowadays will have a sticker on the outside with axle ratio information. A basic method to calculate is to mutiply .12 by your tire diameter. Using the chart, first determine what your original gear ratio and tire size are, then follow the lines to find your approximate RPM at 65 MPH. Enter the number of teeth for the following gears. Enter the tire size diameter and the target vehicle speed in MPH. Ring-and-pinion selection made easy! The more gears you have, the smaller the difference in ratios will be between them (eg: on a 27 speed bike there would be 9 steps between one gear and . Calculate Rear End Gear Ratio Needed. Gear Ratio = Teeth on Axle Sprocket / Teeth on Clutch or Engine Sprocket. The more gears you have, the smaller the difference in ratios will be between them (eg: on a 27 speed bike there would be 9 steps between one gear and . If you have installed larger tires, they rob performance, and you would want to go to a lower ratio like a 4.56 or 4.88 depending upon your tire diameter. Chevy 10 bolt rear end gear ratio chart. 4.56) RPM (ex. Listed 1967 "AQ" and "AR" codes & ratios may only have been used early in the 1967 model-year, or not at all. ford 9 inch rear end gear ratios chart. Not all gear ratios are available so you have the choice between 4.88 and 5.13, 4.88 being the closest. Report at a scam and speak to a recovery consultant for free. The following chart of Tire sizes and axle gear ratios are meant to give a general idea of the relationship between the differential gear ratio and the tire size and what effect the ratio has on power output and fuel economy. The more torque you have can help with that number. Read off your mph at any rpm in any gear. Gears are multiplier of torque. 23 Mount Erin Rd, Blair Athol NSW 2560, Australia. Positraction 4-Speed (396/427) Note: All 1965-67 Corvette rear axles were manufactured at Warren and are suffixed "W". Save yourself the headache and let us figure out your ring-and-pinion gear ratio! The formula for determining an appropriate gear ratio is fairly simple. Determining the gear ratio on your go-kart is simple. +61 2 9607 2299. Chevy rear end gear ratio chart. The following chart of Tire sizes and axle gear ratios are meant to give a general idea of the relationship between the differential gear ratio and the tire size and what effect the ratio has on power output and fuel economy. The splite was like 97. Ford cars and trucks from 1968 on have an axle code on the Certification Plate, information on this plate can be used to determine if you vehicle is factory equipped with a limited slip positraction rear end - differential. brighton suites rehoboth beach, de. In other words, for every single turn of the ring gear, the pinion rotates 4.10 times. Keep in mind that our calculator does NOT take into account drive train loss, road and weather conditions, or the skill of the driver. If you run the east coast mainly then 65 if you run out west allot the 70 or 75 in the sweet spot. A higher number denotes a lower ratio. You can either look through all of the rear gear ratios by year, or if you already know your . All you need to do is divide the number of teeth on the rear axle sprocket by the number of teeth on the clutch/engine sprocket. Model Platform Type Transmission 1 2 3 4 5 6 reverse final drive redline 323i E46 Sedan manual 4.23 2.52 1.66 1.22 1.00 - 4.04 3.07 6500 323ci E46 Coupe manual 4.23 2 . Ford Performance 3.55 Gear Kit for 8.8" Rear End (86-14) #LRS-4209FRA-K. Enter transmission and rear tyre data in the yellow boxes. The lower the gear ratio, the more rpm required to maintain a given speed with equivalent tire sizes. The best ratio is to have your engine run at the sweet spot RPM at the speed you will be running most of the time. The number of driveshaft rotations will help you determine your rear axle ratio. The M-W gear ratio calculator can also provide a vehicle's . Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. Report at a scam and speak to a recovery consultant for free. It is close to that magical number of 9. . What do gear ratios tell us? Chevy rear end gear ratio chart. Example: 35 / 31.9 = 1.097 X 3.08 = 3.37. Partager . Ring & pinion gear ratio. From the example above, you can see that the lower line shows the gear ratio, and axle diameter. ford 9 inch rear end gear ratios chart ford 9 inch rear end gear ratios chart. Just type in your info (example: 5000 RPM), press calculate, and you'll get the right ratio without the guesswork. This chart provides values that represent a 1:1 ratio on a manual transmission. You plan on moving up to 38". If you are using the calculated diameter, multiply that number by .97 to get a more accurate reading. The Ford Mustang rear end specifications have changed quite a bit since the beginning of the Fox Chassis in 1979. ford 9 inch rear end gear ratios chart. Rear Axle Gear Ratio: Tire Diameter : 24" 26" 28" 30" 32" 34" 36" 38" 40" 42" 44" 2.18: 1831: 1690: 1570: 1465 . Recalculate the differential gear ratio using equation (10). I want more top speed instead. For example, a go-kart has a clutch sprocket with 12 teeth and a rear axle sprocket with . ford 9 inch rear end gear ratios chart. A change in rear gear ratio can be one of the most satisfying modifications you can make on your Pontiac, and it can be one of the most cost effective. By visiting our site, you agree to our privacy policy regarding cookies, tracking statistics, etc. Axle Ratio = (RPM X Tire Size)/ (Speed (MPH) X 336) Example 4.88 = (2881 X 37)/ (65 X 336) Click "Calculate Gear Ratio". Scroll through the list of popular transmissions to find yours. First locate your current gear ratio and tire diameter and then find your approximate RPM at 65 MPH, then reference your new tire diameter with your desired RPM to find the new gear ratio needed. For a 3.73 ratio, there may be 41 teeth on the ring gear and 11 on the pinion . Decipher the factory codes and get the right parts! The late '52 to '54 rear ends were Dana 44's. The same Dana rear end found in modern Vipers and throughout all the Mopar muscle cars. To order a full size laminated Gear Chart please call (717) 764-9844 or email us here. Usually the Detroit's like it around 1400-1550 or so is a good range. Back to Top. The rear end axle is responsible for transmitting power to the rear . Quality Differential Parts since 1982! Back to Top The conventional ratio for a 3 speed tyranny in a 1954 auto was 3.73. In the example to the left, 37 12 = 3.083333. Example: Ring Gear / Pinion Gear = Ratio Find all of the gear ratios available for your vehicle in our Application Guides or call our staff of differential experts at (800) 510-0950 for LIVE help. Discussion in '1st Gen. Tacomas (1995-2004 . For example, if the axle ratios were listed as 3.31:1 and 3.42:1 and 3.55:1 and 4.10:1, the lowest ratio of the four gears is 4.10:1. 3.08 gears, which is perfect for an X-15 Cummins running in double . These charts are tear, oil & water resistant, convenient, and accurate. gear ratio: The number of rotations of the crank arms per revolution of the rear wheel. A vehicle's rear axle ratio is numerically expressed. brighton suites rehoboth beach, de. The aftermarket has responded to this by offering a plethora of ratios ranging from 2.91 to 6.50:1. . Turn the wheel TWO revolutions and count the number of driveshaft turns.