Rear End Gear Calculator

COM Forza Tuning Calculator *Note: In FM7, torque is no longer listed in the Upgrades interface, but it can be found in the "My Garage" and "Select Car" interfaces. JK Gear Ratio's. Which will do math for YOU. The primary purpose of this calculator is to answer the question: "How heavy a fifth wheel can I tow with my truck?" This calculator is designed for fifth wheel trailers, towed by a fifth wheel hitch mounted in the bed of a truck above the rear axle. The only way the belt will or should go to the top of the primary "rim" is when you are able to do the highest mph attainable with your current drive ratio. I do 3000 RPM at 55 mph on the highway and it's not fun fighting for the slow lane when your engine rev's like that for extended periods of timeit calculates to a 4. With sprockets, for example, a 12T clutch sprocket (output shaft sprocket) driving a 60T rear axle sprocket gives a ratio of (60 divided by 12 = 5) 5 turns to 1 turn of the rear axle shaft – 5:1. Our no-hassle ready to bolt-in gear change package includes 4. Providing Expert Advice with over 35 Years of Experience and Free Shipping on Orders Over $75. 625 inch ring gear, 28 spline axle PN 26010268 (drum brakes) PN 26028692 (disk brakes) The "Third Generation Camaros" were available with both rear drum brakes and rear disk brakes. I look for the 1979-1981 rears with the disc brakes. 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. The 3725899 is the casting # and the D3063 is the date code April 30 1963. zip For my project I rebuilt the whole rear end with FMS 4. To determine what gear you need, use the table below. This ratio is determined by the size of the pinion gear at the end of the driveshaft and the ring gear, which turns the differential. Many of the earlier housings did not and, with those units, the gear oil must be siphoned out before changing the carrier assemblies. Enter the tire size diameter and the target vehicle speed in MPH. A web based calculator to help you pick the right size tires, wheels, rear end, gear ratio and transmission for your 55-57 Chevrolet. You can change tire dimensions to calculate the effect on top speed and gearing. Chevrolet Rear Axle Code Identification and Decoding from thecamaro. Write down that number. 5" / Corporate 14 Bolt axle including ring and pinion sets, rebuilt kits and bearings, differential covers, upgraded axle shafts, heavy duty u-joints, and more. News: As of April 1, 2008 All Classified forums require a Site Supporter subscription. I don’t know what the current differential ratio is, but I assume it has been changed for off-road driving. That's why it's important to. West Coast Differentials stocks a complete line of light duty axle parts for Chevrolet, Chrysler, Dana, Ford, GM, Jeep and Toyota and more!. Rear Cover Machined for Cooling Lines The best way to plumb your differential for cooling lines is to tap the bottom of the case for the scavenge line, but we ran this setup for years and it worked just fine. Engine RPM at Cruise Speed The chart shown below shows RPM calculations at 55 MPHfor various combinations of final Gear Ratioand Tire Diameter. These gears come in different ratios, which greatly affect the performance of the car. It is only $25 per year and you can buy and sell whatever you like on the forum. A short gear with a 455 will limit its performance potential quite a bit without an up-side. See the chart below the table for typical ratios. The engine is connected to the gearbox, the gearbox, via the tail shaft to the differential, and the differential via the axles to the wheels. Enter the number of teeth on the Ring and Pinion gears and click the "Calculate" button to view your results. Any change in rear gear ratios will also require a change in speedo gearing, if you want the speedo to read correctly. Uncle skip is right on here, too many variables for a blanket question. MFactory ACURA INTEGRA. 00 as this is the typical 4th gear ratio of most 4 sp and 5 sp manual transmissions. 10 gears, Superior Axle 31 spline axles, and an Eaton posi. If you have the car or truck in park make sure to put a block in front of the front tire so it dont go any where and then put the car or truck in neutral, make a line on the pinion yoke and onto. Shop our selection of 2007-2018 Jeep Wrangler JK Ring Pinion Gears. Moser Engineering manufactures and sells High Performance Rear-ends, drive-line components, brakes and suspension parts to the aftermarket industry. People who are buying a used vehicle, or shopping for an axle from a junk yard, frequently need to know what the ring and pinion gear ratio is in the axle's differential, as well as whether or not the axle has some sort of traction control device like a limited slip, locker, or spool. I would stay with the 3:08, or maybe the 3:55but no more, unless you rarely go on the road with it. The same is true of the transmission final gear ratio. 3 turbo or V8 did not have it. 09 gears (45 ring gear teeth and 11 pinion teeth) the ratios don't match exactly. Predicts various effects of changing a motorcycle's tires, sprocket and gearing. It will be safer to drive and far more reliable. org Ford rear ends sometimes had tags under one of the carrier bolts that had the ratio and a code for being a LSD or not. You can find an 8. Dan swapped in a set of Ford Racing 4. A 4x4 Differential Gear Ratio Chart Table. What's this for? Well you can use it to size your tires, rear axle ratio and determine shift points and all that. For example, a vehicle with a 4. Whole axle assembly. There is also an interesting example in Joseph Wheatley's design for a bicycle below. For information about how to change the gears in your rear axle, check out "The Watson Guide to Happy Rear Ends" written by Craig Watson. 62 geared differential. Comes with complete instructions. The transmission ratio of the differential gear pair is 5. To use the Optimal Axle ratio calculator, enter the tire size you are running, and your Estimated/Desired RPM through the trap in the Redline (RPM) field, then press Calculate, there will then be a pop-up requesting your Estimated 1/4 mile MPH, enter that and your Optimal Axle Ratio will display in the Axle Ratio field. Get the best deals on Ford Rear Car & Truck Differentials & Parts when you shop the largest online selection at eBay. So at the end of the day, apart from the grunt that your bike makes in the engine, it all comes to the sprockets and gear ratios as to how that grunt is provided to the rear wheel in terms of power. 2011-2019 F150 Rear Gears & Differential The Ford 9. You can also now calculate when using different transmission gear ratios, like in first gear or in overdrive. org Ford rear ends sometimes had tags under one of the carrier bolts that had the ratio and a code for being a LSD or not. Standard Rear End's as Delivered From The Factory 1969-1989 : 240Z 70-73 MT (3. 52 and multiplying that by the 4. Check out 171 Meritor/Rockwell Gear Set Parts for sale. 08 non-LS gears in it and i was wondering if the rearend would work off of a 2000 f-150 with 3. Engine RPM at Cruise Speed The chart shown below shows RPM calculations at 55 MPHfor various combinations of final Gear Ratioand Tire Diameter. According to the website, HowStuffWorks, an example of this would be a car differential which bends the rotation of the engine 90 degrees to drive the rear wheels. GEAR RATIO CALCULATOR. rpm, tire size, speed, differential ratio battery pack capacity. These gears come in different ratios, which greatly affect the performance of the car. Filthy Motorsports carries a wide range of parts, gears, and upgrades for the GM 7. Click "Calculate Gear Ratio". The chart lists the gear ratio and tire diameter to easily guide your purchase into the correct size application. NEW SUSPENSION & WILWOOD BRAKE SET,CURRIE REAR END,POSI-TRAC GEAR,BOOSTER,646612. 2 inch diameter tires will have a new gear ratio of 3. Low Range Off Road is your source for ring and pinion gears, master install and rebuild kits, differential parts and everything you need for your Toyota Tacoma 3rd member. Center Balance. Chevrolet Rear Axle Code Identification and Decoding from thecamaro. For any questions or observations regarding this tutorial please use the comment form below. 92:1 rear gear, the driveshaft will turn 3. 10 Ratio removed from the rear axle of a 1997 F350, The rear axle was a sterling 10. To determine your gear ratio, simply divide the rear axle sprocket by the clutch sprocket, so in the case of the above example, 60 divided by 12. At Pro Gear and Transmission we rebuild any truck transmission, differential, ring and pinion, rear end, gear, transfer case, rebuilt steering gear, spindle or PTO unit. 73's in this car. rpm, tire size, speed, differential ratio battery pack capacity. 23's are a much better gear for a 455 than 3. The calculators provided below are a simple way to compare different gear ratios and their effect on RPM and different speeds. I've got a 99 2. 00 as this is the typical 4th gear ratio of most 4 sp and 5 sp manual transmissions. Differential End Gears, Stainless Steel or Anodized Aluminum, will be assembled, free of charge, to differentials when ordered at the same time. Tweets by @@HotrodPitstop. 10 locker in a big bearing 9 inch, c6 with a 3200 stall converter behind a 400 with 70 cj 4v heads giant voodoo cam and the works. Offering the best prices on high quality drive train parts and accessories. Rear-End / Differential Gear Ratio Calculator. FI Order Form. Tinware: ring and pinion set, differential fluid. Four-wheel-drive trucks will have a matching ratio in the front axle's differential. I look for the 1979-1981 rears with the disc brakes. 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. you run a 3. You can find an 8. The rear axle gear ratio is the number of turns that the input of the differential at the driveshaft makes in relation to its output at the rear wheels. FI Order Form. We used the calculator to determine the diameter of the chain sprockets to check clearance issues when building the vacuum pump / jackshaft assembly pictured above. 717-764-9844. Mopar, Dodge, Chrysler, and Plymouth are registered trademarks of DiamlerChrysler. I was just wondering which of those three would be the most feesable to adjust to bring the gear ratios up. Sierra Gear & Axle is a premium line of light-duty differential parts. This calculator lets you see the effect changes to any of these factors have on your calculated Miles-Per-Hour range (ignoring other factors like engine torque, wind resistance, terrain, vehicle load, etc. Tinware: ring and pinion set, differential fluid. No matter what you install in your RC car or truck, when it comes to speed and run time it's all about gearing. Description: Toyota 8. Do not operate above the maximum pressure stamped on the tire sidewall. Here's a rpm/speed/gear ratio calculator you can use to see some actual numbers Randy's Ring & Pinion. 56 gear ratio - Can it handle 450-500 a 8. In order to calculate the engine RPM based on ring gear and pinion gear ratio, speed and tire height, this calculator makes the following assumptions: You may not be sure of the type of transmission you are currently using. org Ford rear ends sometimes had tags under one of the carrier bolts that had the ratio and a code for being a LSD or not. com Chevrolet Full Size and Impala Rear End/Axle Assembly Codes from from thecamaro. Performance Calculators - Engine Displacement, Horsepower, Speed From RPM, Size of Carb Needed, Fuel Pressure, Altitude Density and more! Rear End Gear Needed. Because it tries to rotate the hub's axle, an internal-gear hub lifts the rear end of the bicycle in gears below 1:1 and lowers it in gears above 1:1. The car runs up to about 5400 rpm and currently hit that 5400 limit 3/4 down the straight. Calculated accuracy of most browsers is generally 16 places. This calculator is a useful tool that will do the math to help you figure out the gears that are needed to make your speedometer work correctly. Ford 9 Inch Differential Guide: Third-Member Assembly This is where you combine the assembled differential with the gear case and hypoid gears. For the most part you don't want the rear to squat because you want some resistance from the springs/shocks to transfer the force/weight to the tires. Front axle, rear axle, single or tandemwe can handle your differential needs. com is not affiliated in any way with DaimlerChrysler. Welcome to our new online ratio calculator, This software is designed for you to accurately compare and calculate the gear ratios of your landrover when the gearing is changed from stock by different tyres etc. The main reason for checking these tags is to see the axle’s gear ratio. 5" / Corporate 14 Bolt axle including ring and pinion sets, rebuilt kits and bearings, differential covers, upgraded axle shafts, heavy duty u-joints, and more. This calculator is designed to give you a rear end gear ratio. 12 by your Jeeps tire diameter (Example:. Either a 5 Speed transmission, or a rear end change. Add a Free RPM Calculator Widget to Your Site!. It is and should be the product of all gears in use, from flywheel to tire. Gear Ratio Speed Calculator By David Nguyen Calculate theoretical speed for a car in each of its gear ratios. The crankshaft that transfers engine power to the differential spins 4 times for each rotation of the tire. I race on a 3/8th mile track, have a stock 350 with a. Rear axle ratio Looking for the calculator or suggestions in fact probably better than a calculator! I am using a 3000 stall converter and 3:50 rear gears. Determine RPM: Use this calculator when you know your gearing and want to find your RPM at a given speed. calculators out there that crunch the. Ring & Pinion Gears Rear End & Gear Accessories View All (23) SRP Ford Axle Seals. See the Axle Ratio Calculator in the References section below for specific calculations. Dennys Driveshafts Speed Calculator helps you to set up your street rod or race car driveline It's a great tool to determine the proper tire diameter rear end gear ratio and transmission ratio as compared to actual engine rpm and road speed Use it to fi. Compatible 8" Rims with a 4" bolt hole circle are also available. It's FINALLY here! A TRUE mini-spool for the Sidekick AND the Samurai! The spool is an extremely strong and economical method of achieving 100% lock up of the rear differential without the quirkiness associated with automatic lockers. Luckily, Late Model Restoration has put together this Mustang gear ratio to RPM chart to help identify which gears your Stang may have installed. Answer: Most vehicles have a frame that is kicked up in the rear and may have other portions that are not flat. A high numerical gear ratio is called a low gear or low rear end, and vice versa. Differential Gear Ratio Calculators. Rear gears can also affect things like gas mileage, automatic transmission shift points, RPM when cruising down the highway and what gear you're in when crossing the 1/4 mile traps at the dragstrip. Identifying the gear ratio of an AMC 20 is a bit tricky. Calculate Rear End Gear Ratio needed. The maximum permissible load varies with the cold inflation pressure. FENSPORT TOYOTA GT86. Follow Us On Twitter. This is the large gear. It's been modified along the way to a point we are extremely happy with the result and even converted it into an App for iPhone and iPad. Obtain the things you don't wish to do without and to help save ahead. Skip to main content. The repair costs of the front and rear differentials will fluctuate based upon the repairs that are needed. The program might not work for later single lever Dana 18 equipt CJs. Select the diametral pitch with units of teeth per distance, and then select the number of teeth for each gear, and the other parameters are computed. AGE makes additional 7- and 9-tooth gears to work with these standardized pencil gears. If you've changed your gears or added a different wheel and tires combination then your speedo is probably not correct. 12 X 38" = 4. 5 total length Gun Drilled Wide 5 31 Spline Axle INVENTORY REDUCTION SALE Black oxide coated with the aluminum axle plug installed. Low gears give fast acceleration, high gears give better cruising. AMC REAR AXLE DIFFERENTIAL. The housing is being driven around the rear axle by the pinion gear. 00 as this is the typical 4th gear ratio of most 4 sp and 5 sp manual transmissions. In addition to supplying increased torque for towing and motor homes, these gears are an excellent alternative to steep rear end gears for street driven performance vehicles and low RPM, high torque race engines. Speedo Gear Selection Measurements needed: • # of output shaft drive teeth (• Axle ratio (i. You can use it to try out different rear end gears and tire sizes. Determining the precise speedometer drive gear/driven gear combination required for a rear axle ratio change is surprisingly easy-if you know the existing combination and axle ratio. The E-Type is not going to hit 274km/h irrespective of gearing): E-Type Differential Ratios. Gear Ratio Calculator. Follow Us On Twitter. 08's that he is going to give me. Gear Ratio and RPM to MPH Calculator with Auto Shift and Tracer Enter gear ratios into the table below. Sierra Gear & Axle is a premium line of light-duty differential parts. The primary purpose of this calculator is to answer the question: "How heavy a fifth wheel can I tow with my truck?" This calculator is designed for fifth wheel trailers, towed by a fifth wheel hitch mounted in the bed of a truck above the rear axle. Select the diametral pitch with units of teeth per distance, and then select the number of teeth for each gear, and the other parameters are computed. Add a Free Gear Ratio Calculator Widget to Your Site!. An axle is a central shaft for a rotating wheel or gear. RPM Calculator Input - Note: Currently using 94-95 T5 specs and 3. News: As of April 1, 2008 All Classified forums require a Site Supporter subscription. Low Range Off Road is your source for ring and pinion gears, master install and rebuild kits, differential parts and everything you need for your Toyota Tacoma 3rd member. 1968-1970 Corvette Rear Axle Codes and Ratios. Scroll to the bottom of this page to see the standards for the Mk III, Coupe, and GT40. Understanding rear gear ratios. How to pick a gear ratio: A lot of thought goes into picking the rear end gears. Drag Performance Calculator By AssassinRacing. Benefits of Rear Differential Replacement. We have the largest selection of Ford Mustang Rear Axle Assembly parts at discount prices. This calculator assumes you know the vehicle's transmission ratio. If the axle ratio is too tall. Re: Differential Gear Ratio Ok i just checked rear end in my 99 Yamaha gas. Drive Gear Teeth - Number of teeth on the transmission side of things Rear End Ratio - Rear Gear Ratio (3. You can apply the gear ratio formula to each pair of wheels in the gear system in succession to arrive at a final gear ratio for the system, but you don't need to do that. The #s are located on the driver side of the rear end and they are K185 on the top & under this is the #(NNN) NNN-NNNN i need to know the gear ratio of this rear end?. You can use it to try out different rear end gears and tire sizes. I'm not planning on breaking any records, I was just wondering how different rear ratios effect 1/4 mile times. He destroyed the rear end and gears. Use our gear ratio calculator to find the effective gear ratio your vehicle will have with a new tire size. Calculating acceleration on different gears in vehicle Thread WHAT if i use same wheel size but i attach differential/gear to my engine Rear (driven) wheels. Ring & Pinion Gears Rear End & Gear Accessories View All (23) SRP Ford Axle Seals. Quick Performance Inc. Mark Williams Enterprises is an industry leading manufacturer of drag race axles, drive shafts, brakes, modular rears, rear end housings, thirdmembers, and chassis components. Enter the tire size diameter and the target vehicle speed in MPH. If you do not know this ratio, you can simply put in 1. 00 as this is the typical 4th gear ratio of most 4 sp and 5 sp manual transmissions. Once you get your rear differential fixed, you can enjoy much greater control over your vehicle. You can apply the gear ratio formula to each pair of wheels in the gear system in succession to arrive at a final gear ratio for the system, but you don't need to do that. An epicyclic gear train (also known as planetary gear) consists of two gears mounted so that the centre of one gear revolves around the centre of the other. C3 Corvette Rear Axle Ratios & Identification Codes Positraction became standard equipment in 1970 and the reference of Standard axle codes is in conflict. Re: Differential Gear Ratio Ok i just checked rear end in my 99 Yamaha gas. My engine puts out about 450 rwhp and operates in up to 7000 rpm. Considering making modifications to your Jeep? Whether it is changing an axle or going with different tires this chart is helpful in finding the right Tire Size to Gear Ratio that you need to achieve the optimal performance for your particular application. The rear gear is as much of an issue as the engine and weight of the car, but it is the entire package you have to look at, not just one component. The Grand Tour, Top Gear, Fifth Gear, and more fan forums. Comes complete with speed sensor. 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. This is proven in its wide use in racing applications where the rear diffs take a thrashing and require extreme strength & responsiveness. On Mike Geokan's Bonneville Bullet we have a vacuum pump assembly run off the jackshaft to increase horsepower by keeping upper and lower end pressures negative instead of positive. Final Gear Ratio 4. Differential Gear Ratio Calculator; is available for the TH700R4/4L60 transmission that moves the rear transmission mount to the same position as a. i ended up spending over $3000 on the rear end alone on my f150 because of cheap parts and trying to set them up myself. The same is true of the transmission final gear ratio. At 75mph my current engine speed in 3rd gear is approximately* 3200 RPM. Performance Calculators - Engine Displacement, Horsepower, Speed From RPM, Size of Carb Needed, Fuel Pressure, Altitude Density and more! Rear End Gear Needed. Note: Data may not be 100% accurate. Classic Industries offers a wide selection of Rear End Components for your 1970 Dodge Challenger. 500 Cover Bolts: 10 Ring Gear Bolts: 10 Spline Count: 30 Dropout: False Pinion Support: False Carrier Breaks: 2. As a general rule, when dealing with two gears, if the drive gear (the one. 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. Calculated accuracy of most browsers is generally 16 places. A gear reducer increases torque and decreases speed. Differential & Axle Parts Specialists We have your differential parts in stock ready to ship today. Let us change your open carrier to a limited slip. The axle ratio refers to the gears in the truck's differential, which is a mechanical device that links the rear axle to the driveshaft and then the engine. 10 axle with 30. Classic Industries offers 1970 Dodge Challenger Axle Shafts & Parts, 1970 Dodge Challenger Differential, 1970 Dodge Challenger Differential Covers, 1970 Dodge Challenger Differential Hardware, 1970 Dodge Challenger Differential Tools, 1970 Dodge Challenger. The standard open differential works great for this application, but has its shortcomings when it comes to off road and performance driving. Providing Expert Advice with over 35 Years of Experience and Free Shipping on Orders Over $75. Quick Performance Inc. Drive Gear Teeth - The Number of teeth for the transmission; Rear End - Rear Gear Ratio (3. Listed 1967 “AQ” and “AR” codes & ratios may only have been used early in the 1967 model-year, or not at all. Enter the tire size diameter and the target vehicle speed in MPH. If you are looking for help with restoring or hot rodding your chevy classic a good place to go for help is Chevy Talk my favorite forum is 1955-1957 ( Modified / pro street / show) forum. About BoostTown. Front-wheel drive cars are different from rear-wheel drive cars, and all-wheel drive cars are different still. The transmission ratio of the differential gear pair is 5. EndTuning - A simple calculator to work out what road speed you will achieve at a given RPM, or calculate your RPMs from a given road speed. That means that the gear ratio is 0. The Compatible 1" bore Hub has a 4" bolt hole circle, 1/4 inch keyway. 11) Rear Tire Height (Tire Diameter in Inches) Drive Gear Teeth * 4. NOTE: Depending upon the amount of lift your vehicle has, and the angle you adjust your rear axle too, you may have to add more differential gear oil to prevent the differential sump and pinion tail bearing from running dry. Part #: This started by me trying to find a good gear ratio chart for my JK. Hope that helps a little. Often it is actually on the other end of the driveshaft within the differential; I like to remember the term "4:11 posi", commonly assosciated with built muscle cars, as it refers to the lower ratio, higher leverage, positraction (extremely limited slip) differential gearset. Don’t forget to Like, Share and Subscribe!. The bottom diagram illustrates the differences in axle ratios. For the most part you don't want the rear to squat because you want some resistance from the springs/shocks to transfer the force/weight to the tires. This is proven in its wide use in racing applications where the rear diffs take a thrashing and require extreme strength & responsiveness. 11:1, meaning that the driveshaft spins either 3. See effect on RPM in Gear/Sprocket matrix when changing sprockets. turned clutch 5. Step 1: Place the oil catch pan under the rear differential cover. RECOMMENDED APPLICATIONS. 56 gear online but I haven't checked the rear end myself. 300:1, so the differential multiplies the total torque to 5482 lb-ft (7440 N-m), but this is then divided by 2 since the torque is split equally (assumption) between the two tires. Corvette Differential Special Heavy Duty Parts Corvette Dana 44 HD, Dana 36 and Heavy Duty Dana 36 Re-manufactured Differentials with New Gear Sets All Differentials are Custom Built Also see our C4 Corvette Differential Ring & Pinion Section Differentials carry up-to a 5 year warranty that includes 'no gear noise'. 11) Rear Tire Height (Tire Diameter in Inches) Drive Gear Teeth * 4. If the tire turns opposite of the way the first tire spins, then it's probably an open rear end. If you have a car with a posi or limited slip rear, jack up the car and get both rear tires off the ground. Use our Tire Size Calculator to find the suggested tire size specs for your vehicle. 5 out of any 2nd gen and have a better selection of gears, cheaper and way stronger. This leads to different gear ratios and output rotation directions. 1969 models built after. Instructions. If you had a small block Chevy 327, then the 3. Towing a 16,000+ Lbs 5th Wheel Camper with Ram HD 3500 Dually turbo diesel: Does the Rear Axle Ratio Matter? (Ask TFLtruck). The left side of the calculator requires all three entries. Determine RPM: Use this calculator when you know your gearing and want to find your RPM at a given speed. 09 gear ratio is sure to make Hellcat Challenger or Charger a lot quicker off the line!. This calculator determines output torque and speed for a speed increaser. Find great deals on eBay for c3 corvette rear end and c3 corvette differential. Luckily, Late Model Restoration has put together this Mustang gear ratio to RPM chart to help identify which gears your Stang may have installed. What are the pros and cons of putting a rear end with 456 gears in my camaro? Hi! i have an 83 Camaro and i put a 388 stroker motor in it and am pushing about 420 hp. I was wondering if there was a way to bring those freeway rpms down to get better gas mileage and less wear on the engine. Speedometer Gear Calculator. 10 to one (commonly written in the following manner 3. Type of Load 1200 FPM for Metallic Spur Gears Or 2400 FPM for Helical Gears or Nonmetallic Spur gears. There is an inverse relationship between acceleration and top speed. Full sized poster versions of of the charts shown below are available for purchase. @1 Wild R/T asked us to host this really cool Tire Size and RPM / Rear End Gear calculator because the site it was on has went away. com Gear ratio info from gnttype. The addition of larger tires can greatly decrease performance and fuel economy. Note: If you have an automatic transmission your RPM will higher due to slippage in the transmission and the torque converter. Here is a cgi I wrote to do gear ratio calculations. 1970 Dodge Challenger Parts - Rear End. 08) so I'm wide open on gear possibilities. This calculation is used to match oversize tires with new ring and pinion gears to obtain the desired engine RPM at highway speed. Understanding Axle Ratios. Welcome to our new online ratio calculator, This software is designed for you to accurately compare and calculate the gear ratios of your landrover when the gearing is changed from stock by different tyres etc. 5" / Corporate 14 Bolt axle including ring and pinion sets, rebuilt kits and bearings, differential covers, upgraded axle shafts, heavy duty u-joints, and more. Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Select the value you want to solve for. It's been modified along the way to a point we are extremely happy with the result and even converted it into an App for iPhone and iPad. Everything else is interchangeable. Check out my GM Speedometer Recalibration page. On average you can save about 400lbs and improve fuel efficiency by 2%. Primary Gear Front Sprocket Rear Sprocket Rear Wheel Dia 1 Gear MPH 2 Gear MPH 3 Gear MPH 4 Gear MPH 5 Gear MPH 6 Gear MPH RPM. Gear Ratio Speed Calculator By David Nguyen Calculate theoretical speed for a car in each of its gear ratios. Which will do math for YOU. 1958-1970 Chevy Rear Differential code Identification Using the charts below, you will be able to learn alot about the rear differential in your classic full size Chevy. Gear Ratio Calculator for Vehicle without Jackshaft. long-time trucker. CAMARO SPEEDO DRIVE GEARS Front To Rear Brake Lines; Rear End Brake Lines; Speedometer Drive Gear for Turbo 400 Transmission - Light Green , 45 Teeth. You can also now calculate when using different transmission gear ratios, like in first gear or in overdrive. Use this gear ratio calculator to select the best ring & pinion and gear ratio combinations to serve your needs. Final Drive Ratio This ratio is the number of times the driveshaft needs to spin to get the wheels to spin: if the ratio is 2:1, the driveshaft should spin twice for the wheels to spin once. Example; the original rear pinion gear on my k10 exploded, and it was cheaper to buy a parts truck with a good axle than to. Spur and Helical Gear Horsepower Calculator. 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. They are usually mounted on shafts that are 90 degrees apart, but can be designed to work at other angles as well. For motorcycles, check Sprockets and enter Primary Drive Ratio and front and rear sprocket tooth count to calculate final drive ratio. JK Gear Ratio's. The 3725899 is the casting # and the D3063 is the date code April 30 1963. Simply stated Friction Fighter 10 Spline Quick Change Gears are the strongest, lightest, highest quality gears available. If we choose a gear that will pull from 6,000 rpm just past mid-turn to 7,100 rpm at the end of the straightaway, we might feel we have the right gear if the horsepower curve goals are met. Instructions for using the Speedometer Gear Calculator: Enter the following data - Drive Gear Teeth - Number of teeth on the transmission side of things; Rear End Ratio - Rear Gear Ratio (3. Last but certainly not least, you need to consider whether your vehicle will benefit more from a performance gear style or a pro gear style. rpm / speed / gear ratio calculator. TIRE SIZE CHANGE CALCULATOR. One way to compensate for this is to swap out your differential gears. 00 as this is the typical 4th gear ratio of most 4 sp and 5 sp manual transmissions. 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. It hasn't been determined with any certainty what vehicles got the 6. Scroll to the bottom of this page to see the standards for the Mk III, Coupe, and GT40. Blown up a few myself. 75" rear end is one big pumpkin and is a key aspect of your truck's drivetrain, so making sure it's chock-full of heavy-duty, high-performance hardware that gets your tough 2011-2018 F150 improved off-the line performance. 52 and multiplying that by the 4. Answer: Most vehicles have a frame that is kicked up in the rear and may have other portions that are not flat. That's pretty extreme and it winds up fast. A while back I picked up a posi rear out of a late 70's Camaro. Speed/Tire/RPM calculator.