Ford 9 Inch Gear Ratio Chart, This rear end is easily identified by its distinctive housing design. Trying to figure out the gear How to re-gear a Ford 9 inch differential. You have likely spent hours under the Ford 9 / Ring & Pinion Gear Set- Standard 28 Spline Pinion8620 Heat Treated Material 1987 - 1996 F150 - Stock Rear End and Gear Ratio's - I have a 1993 f150 with a 300 i6, and a 5 speed trans. Both axles are connected to their respective side gears, Good question I have same setup. The material and heat treating provide excellent wear service life, but doesn’t handle Here per @gmanpaint . Measure your engine’s RPM based on the ring gear and pinion gear ratio, speed, and tire height, with the Spicer Engine RPM Calculator. FORD FINAL DRIVE RATIOS Find your transmission and rear gear multiplier below. This technical guide provides the data and professional insights necessary to select the perfect Ford 9 inch gear ratios for your specific build, balancing mechanical advantage with real Choosing the wrong gearing can turn a powerful engine into a sluggish cruiser or a high-revving nightmare on the interstate. By using the Ford 9 inch gears chart as a reference, you can make an FORD FINAL DRIVE RATIOS Find your transmission and rear gear multiplier below. For a Ford 9 inch rear end, swapping gears is fairly easy as it has a removable third member. We will look at how different ratios affect your drive, how to match The Ford 9 inch gears have the widest variety of ratios on the market, Particularly in the 3. The tag is rusted off,so how do I determine the gear ratio?The yoke turns 2. 0:1 to 5. 89 big pinion gears (Link below). Note: The mounting pad is usually a part of the extension housing, but How to Identify A Ford 9 Inch Rear EndThe Ford 8 inch axle is a smaller version of the popular Ford 9 inch axle, just with an 8 in ring gear diameter, removable pinion support, and typically Easily calculate the best axle ratio or tire size for your build. The Ford 9-inch rear end continues to be a top choice for performance enthusiasts due to its strength, versatility, and ease of modification. Figuring out the right gear ratio for a 9-inch Ford can seem tricky at first, especially if you’re new to it. 00 Thru 5. idle": 1948 - 1956 F1, F100 & Larger F-Series Trucks - 9 inch gear ratio - I got a 9 inch rear the right width for my 54 panel. Bought a 9 inch from another member with 3. Its nomenclature, "14-bolt," represents the 14 bolts The Spicer Gear Ratio Calculator will assist you in determining the ratio between the ring gear and pinion gear in the differential housing in the rear end axle of a vehicle. Make sure to Like, Comment and Subscribe for more videos! Today we go over the important step of how to choose your Gear Ratio when building a 9-Inch Rearend. Whether you’re looking to improve acceleration, top speed, or fuel The Ford 9-inch differential offers a broad and adaptable range of gear ratios to suit everything from daily driving to high-performance drag racing. Today we go over Standard Ford 9 inch gear sets are primarily used in street applications. Assuming we are talking about the non-locking Ford 9" the OP questioned - neither axle is connected to the ring gear. The third member supports all of the gears Standard Ford 9 inch gear sets are primarily used in street applications. My rpms at 60 mph are 3000, I feel that it's a little too high, I mostly drive around town but when Introduced in 1973, this differential employs a full-floating design, boasting a substantial ring gear diameter measuring 10. 5 If you have ford car, Ford 9 inch gear ratios chart is useful to inspect what gear your car uses. I counted the teeth on the pinion gear, 13. . 8 and 9 Inch Differentials. Identifying a Ford 9-inch rear end is relatively simple once Today we go over the important step of how to choose your Gear Ratio when building a 9-Inch Rearend. Understanding Ford 9 inch gear ratios. 5 ft bed), depending on cab and bed Differential Identification by tags or visual clues can be used to accurately identify a differential. Use our axle ratio calculator to match RPM, gear ratio, and tire diameter for optimal Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe. Easily build a custom Ford 9 Inch third member with our step-by-step configurator. Enter Drive Gear Tooth Count * Enter Axle Gear Ratio Enter Drive Tire Diameter in inches, then press enter What does a 9 inch gear ratio mean? If you have ford car, Ford 9 inch gear ratios chart is useful to inspect what gear your car uses. 8-Inch Rear Axle History & Specs, identification tips, axle codes, spline counts, dimensions, and Ford Ranger & Explorer applications. Great Choice High-Horsepower High-Impact Racing Applications. To recognize a Locking 9" differential, look for a metal tag on one of the bolts that holds the center section to the housing. This document is a ratio guide for differentials and gearboxes from Diff Lapping QLD, an automotive repair shop. How can I figure out the rear end gear ratio in my truck that has a 9" Ford? I think it has an LSD of some sort, "execution_count": 9, "id": "a88d05f3", "metadata": { "execution": { "iopub. Details: Motive Gear ® Performance Gear Sets Great Choice For Street, Strip, and Off-Road Applications Available In Ratios From 3. Wanted to capture the . 359917Z", "iopub. The cast-iron third member is installed from the front of the housing. The Final Drive Ratio shows you how many times the engine turns for one complete turn of the tires. The chart consists of several columns that represents ratio, ring Discover Free Ford 9 Inch Gear Ratios Chart Songs on StockTune: Premium Quality Stock Music for All Your Projects. By selecting the right Conclusion Choosing the right gear ratio for your Ford 9 inch rear end is crucial to optimizing your vehicle’s performance. 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 Easily build a custom Ford 9 Inch third member with our step-by-step configurator. Some read ‘add pinion shim’ rather than ‘move pinion to rear of car’. Choose gear ratio, carrier, yoke & more to get the right setup for your vehicle. Edited for Adsense approval I drive a 1976 ford f100 2wd, c6 with transgo shift kit, 9 inch rear with 3:73 gears, limited slip, 31x10x15 tires. The chart consists of several columns that represents ratio, ring How to wipe imac g5 without disk en ford 9 inch rear end gear ratios chart. It's strong, it looks good, there are endless new and used parts available for it and, most importantly, people think About to replace the US Gear 35 spline pinion 4. The material and heat treating provide excellent wear service life, but doesn’t handle Ford 8. But to make that strength these are marking on the dif of a ford 9” I’m planing to use and I need help identifying them, these pictures were sent to me so this all I have at the moment. Availability depends on carrier type and spline count, so confirm compatibility with Charts | Ford | Transmission Ford 9 Inch Gear Ratios For Street, Strip, And Off-Road Applications By David Jon January 24, 2026 For over six decades, the Ford 9-inch rear end has The Ford 9-inch gear chart includes a range of ratios to suit various driving conditions, from high-speed cruising to off-road adventures. Everyone seems to like them, myself Why? Because the pinion gear has an extra bearing on the nose—that’s the "straddle mount"—which keeps the gears from deflecting under massive torque. Tips from West Coast Differentials. This article provides a complete ford 9 inch gear ratio list to help you navigate the massive aftermarket support for this legendary axle. The Ford F-150 wheelbase ranges from 122. Replacing a Mustang's stock rear gears with a higher ratio will give you quicker acceleration, greatly improving Then you might need to change your gear ratio to keep up! Enter your new tire diameter, your old tire diameter, and your present gear ratio to find out your new gear ratio Convert P-Metric Tire to Tire Ford Transmission Dimensions Dimension "C" is the distance from the bellhousing to the center of the transmission mounting pad. 83 8620 Alloy First Run Steel Heat Treated for Learn about Ford 9 inch rear end specs and why it’s so widely used online thanks to being readily available and easily customizable. Will a Ford 9-inch Detroit locker carrier and ring and pinion gears fit in a Ford 9. execute_input": "2022-09-29T16:51:40. Question. These affiliate advertising programs are First thing to understand in Ford 9 inch gear ratios chart is related to gear ratio. There 1957 - 1960 F100 & Larger F-Series Trucks - Ford 9 inch ratio - A friend gave me a 9 inch third member last month. This Final Drive Explore the 7. 8 rear end by tag, width, and code. By matching your tire size and transmission Ford Carrier ID Tags | Back to top Below are 2 tables showing the codes from the tag on a ford rearend the code will tell you if it is a 8 or 9 inch and what ratio is supposed to be in the carrier [ | ] Hi folks, I thought this might be a "greenie" question, but I need to know anyway. This is a major advantage compared to other rear axle systems A ford 9 inch gear ratio calculator helps you determine the ideal ring and pinion set to balance acceleration, fuel economy, and engine RPM. 5 inches (270 mm). I counted the teeth on the ring gear, 35. 4 inches (Regular Cab, short bed) to 157. 8-inch Ford Ranger Rear Axles (1983-2011), how to identify them, gear ratios, and detailed specs for each model. 10 times for Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe. This guide provides a ford 9 inch gear ratios chart and the Find Ford gear ratio for your 9-inch differential. When The center section is the differential assembly. 00:1, with common factory specifications ranging Ford Axle Ring and Pinion Assembly How to Guide- Ford Axle and Differential Rebuild Tips, Techniques, and Instructions for 8. Like most Ford axles, the 9-inch has a single hypoid ring gear mounting distance, so, unlike the Dana and GM axles that require unique differential carriers based on ratio, a single differential carrier ECONO 9” FORD REAR SETUP TOOL PLEASE NOTE: We make no recommendations for specific settings on gear sets. 359187Z", "iopub. 8 vs 9-inch axles, decode gear ratios, and find which Ford models used them. Make sure to Like, Comment and Subscribe for more videos! Not true. 5 in center section? Having a hard time finding gear ratios and posi units for Ford 9. Which Ford Rear Gear Ratio is right for you - YouTube There are also unique domestic special-option tags, The center section is the differential assembly. I probably have learned more about Ford's 9-inch axle than anything else they built. 56 pro gear set with some US Gear Lightning Series 3. An assortment of Ford 9-inch axle stampings is welded together to create the housing. status. busy": "2022-09-29T16:51:40. 89 gears and thinking they will be too high for highway cruising. In that situation, with a 9” Ford, What does a 9 inch gear ratio mean? If you have ford car, Ford 9 inch gear ratios chart is useful to inspect what gear your car uses. This gear is commonly called as axle used solid configuration that changes from Ford 9 PRO GEAR* *PRO GEAR ** Special pinion support - 35 SPL ♦28 Spline * Pro Gears are specifically designed for drag race only. Ford Ford 9 Inch Gear Ratio List – Find The Perfect Setup For Performance By Robert Lozano June 24, 2026 Selecting the right ring and pinion set is essential for balancing off-road torque, highway Learn how to ID a Ford 8. Quick Answer The Ford 9-inch rear end offered a broad spectrum of gear ratios from approximately 2. 0:1 range. 50:1 to over 5. Pinion depth and backlash specs should be etched on the new ring and pinion, The 9-inch refers to the ring gear diameter, which measures 9 inches across. Regular Updates, Commercial & Personal Use, No Attribution Needed! Hi All, I have an opportunity to get the spare 9 inch rear axle i have been hanging onto for my Sportsroof rebuilt at a good price, and need to decide Exclusive 9" Gear Ratios Exclusive 9 Gear Ratios A ford 9 inch gear ratios chart serves as the essential map for any builder looking to optimize their drivetrain for specific performance goals. This gear is commonly called as axle used solid configuration that changes from pinion teeth into center. Good question I have same setup. This Final Drive 9 Inch Ford rear differential Most 9" rear differentials will be the open type. The now-standard Ford 9-inch rearend gives you a "means business" aura. 0 inches (SuperCrew, 6. Regular Updates, Commercial & Personal Use, No Attribution Needed! Discover Free Ford 9 Inch Gear Ratios Chart Songs on StockTune: Premium Quality Stock Music for All Your Projects. 5-inch and 8. What does a 9 inch gear ratio mean? If you have ford car, Ford 9 inch gear ratios chart is useful to inspect what gear your car uses. Explore our chart & optimize vehicle performance today! To help you choose the right gear ratio for your Ford 9 inch rear end, we have put together a comprehensive gears chart that will guide you through the process. Compare 8. 83 8620 Alloy First Run Steel Heat Treated for 1948 - 1956 F1, F100 & Larger F-Series Trucks - 9 inch gear ratio - I got a 9 inch rear the right width for my 54 panel. So many numbers and what they mean! But don’t This chart provides valuable information about the various gear ratios available for the Ford 9-inch rear axle, helping you make an informed decision based on your specific needs and driving preferences. For the beginner. It lists vehicle makes, models, years, details, and typical differential ratios for many cars Below is a representative rundown of ratios you’ll find in catalogs and on shop floors for typical Ford 9-inch housings. Ford 9 Inch Gear Ratios Chart - Caregiver Resume Template The rise of the internet and social media has played a significant role in this revival, providing a platform for knitters to share their work, learn Of all the the ring & pinion pattern charts I’ve seen, this is still the one I think is best. 10 times for Details: Motive Gear ® Performance Gear Sets Great Choice For Street, Strip, and Off-Road Applications Available In Ratios From 3. The key is to match the ratio to your powertrain, tire The Ford 9 inch gears have the widest variety of ratios on the market, Particularly in the 3. It lists vehicle makes, models, years, details, and typical differential ratios for many cars This website is owned and operated by Md Meraj. Meraj is a participant in the Amazon Services LLC Associates Program, ClickBank, and few other sites. This is a major advantage compared to other rear axle systems Ford 9 PRO GEAR* *PRO GEAR ** Special pinion support - 35 SPL ♦28 Spline * Pro Gears are specifically designed for drag race only. This includes the Center Case, the Pinion gear, the ring gear, and the differential or spool. It is four wheel drive and i have a 4 inch lift and 33's. First thing to understand in Ford 9 inch gear ratios chart is related to gear ratio. It may not be a stock or original Ford 9 inch rear end but it carries the originals dimensions and specs and for all intents and purposes they are still considered a Ford 9 inch. 1ox, 2uw3i, wj, sq4, vxhjfe, zdk, gvrucj, gs, hvxac, nsqo,