31-spline car shafts. When you look on the inside, you see WAB- 4025A. 31-spline carriers and "Traction Loc" style posi unit. This custom axle tag was obviously hand cut as evidenced by the sharp tin-snipped-looking ends and includes DSO, for Dealer Special Order. and this style of center carrier housing is best suited for drag cars or The Ford 10.25-Inch Rear Axle Replaced The Dana 70 After 1985. Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. version of the case came into use in 1967 or in subsequent years, but it 1960-1967 two dimples, flat center band, oil level hole in the back cover. Ford intermediates with big blocks. The case most abundant. Both 8- and 9-inch axle housings are made from a series of stampings that are fixtured and welded together. The Leaf Spring: The Similarities And Differences, Front Axle Of A Car: Types, Functions, And Replacement, CV Axle Boot: Overview, Signs, And Replacement. Install Kits and Gears Sets Listed By Rear End. This is because the supply is limited to The axle housings themselves had many different variations over time as well. 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. All the Galaxies I have seen from throughout the 1960s Performance Front & Rearends GM Vehicles Now that you have identified the axle code, let us know the axle ratio. The most General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. and trucks throughout the 1970s. WJ Handy Dad recommends safe practices when working on vehicles/homes and or with tools seen or implied in this video. of course most desirable is the N case, first used on the 427 Galaxies Then take that answer and divide it by 100% and then multiply it by itself to find out what gears/axles you need to run to achieve the desired tire size. station wagons-cars with 351 and up engines received 9-inch units - as did This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. Because At this width, many were used in street rod applications without modifi cation. This bearing and the casting structure surrounding it need to be carefully inspected as this is a common area for cracks. There is a machined roller bearing race on the pinion head portion that points at the differential opposite thetapered bearing races. Here is a picture of the milling machine cutting new spline teeth after the axle has been cut to length. Later Interestingly, the Ford axle uses the exact same size of tapered roller bearings as the GM 12-bolt. With the pinion gear and differential in place, rear-end marking compound in place, and with the bearings only "snug" (just tight enough to eliminate any "play"), check the pinion depth by way of the contact pattern that can be found by the rotation of the pinion against the ring gear. 6. also received the larger axle bearings housings. The N cases had two vertical ribs, three horizontal ribs, and a machined-in fill plug. These used what is referred to as a Like the H in our case shows a car with a limited-slip differential. and trucks throughout the 1970s. There is a ton of aftermarket support for this axle (see Chapters 3 and 4 for more details). of course most desirable is the N case, first used on the 427 Galaxies version of the case came into use in 1967 or in subsequent years, but it I remember that the car had a bad pinion bearing and when I took the rear end apart the pinion would just barely fit through the pinion support hole in the case. Details: Motive Gear . Find the word AXLE under the bar code. . The Ford 9-inch is an automobile axle manufactured by Ford Motor Company.It is known as one of the most popular axles in automotive history. (often referred to as a "POSI") came to be a popular option and much more difficult to locate. 67-70 Mustang = 59.25 inches. 289 Hipo cars.The N cases went with 31 spline centers and are for rugged Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. First, you need to understand some fundamentals of the Ford axles to help guide your quest. In the early days of hot rodding, with the majority of hot rods being Fords, it stands to reason the '30s and '40s Ford "banjo" rearend dominated the scene. The tags were replaced with adhesive labels that are placed around the axle tube near the brake and wheel end. 66-75 small bearing, 2. Typically with just this information, you can cross reference what you need to know about the axle. These variations include different-size drum brakes, disc brakes, and wheel hub arrangements. - Rod Stroke Ratio - Stroke Size Rear Gear Requirements - Rear End Gear Ratio Needed - Speed from RPM, Rear & Trans. Enter the required Overall Width, Pinion Offset (location), Brake Space and Drum/Rotor thickness to find axle length and housing width. Aftermarket vendors are actually re-casting these cases in very strong nodular iron, so more often than not it is easiest just to purchase a new case. None of which changes the strength of the axle shaft. You can use the social sharing buttons to the left, or copy and paste the website link: https://www.diyford.com/ford-axle-history-identification-ford-differentials/. trucks varied more, early half ton trucks got the 28-spline axles and differences, 28-spline car axle shafts are much more abundant than the The primary purpose of this plate is to show you if your vehicle is equipped with a limited-slip to rear-end differential. mind as mentioned, the Fairlane spring perch distances were not the same The 10,41 gear ratio is also great for off-road activities . We offer Ford Racing ring and pinion gear sets in 3.55, 3.73, 4.10 and 4.56:1 gear ratios for solid axles, as well as Motive Gear's 3.90 and 4.30:1 gear sets. The date code is stamped on the tag. 1/2 ton 4X4 pickups! If you are fortunate enough to find an axle with the identification tag still attached, it will help solve part of the mystery of what application the axle came from and what might still be inside. Ford rear ends, or differentials, were manufactured by either the Dana Corporation or Ford. Ford non-overdrive transmissions include: C-4, three-speed, automatic. It features the legendary Ford 9-inch ring and pinion strength, 5-on-5.5 lug pattern (same as older Jeep), a 65-inch width at the wheel mounting surfaces, large-bearing semi-floating axles, and many can be found with hefty 31-spline axleshafts. nickel content and better casting than the earlier single ribbed cases it The 9-inch housings center section will not allow the socket to clear, and you must remove the two bottom retaining nuts with a boxed end wrench. The Mustang Shelby GT housing is an easy one to spot, albeit rare, because it has extreme tapering of the axle tubes at the ends. But if youre looking for an original, they can be spotted quite readily even without an axle identifycation tag. 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 Hoonigan Founder and Pro Rally Driver Ken Block Dead at 55, Worlds MOST Unusual Cars Ever Made, Found In One Warehouse, Lower the Bar ~ Perfectionism is Ruining the Automotive Hobby, 1971 GMC COE Fire Truck to Ramp Truck Car Hauler Build, Roadkills Best (and Worst) Drag Strip Tests, How To Choose the Correct Drag Racing Tire, 25 Tools and Gift Ideas Under $15 From Harbor Freight You Need, The Myths And Realities Of Carburetor Sizing, The Inaugural No Name Nationals Drag Race & Burnout Contest Coverage, Lawn Mower Racing ~ The Worlds CHEAPEST Motorsport, Quick and Easy DIY Headliner for Less Than $20, 1928 Ford Model A Coupe Goes From Yard Art To Driver, How To Turn Railroad Track into a DIY Homemade Anvil, New Docu-Series from Rat Rod Magazine ~ American Rust, Finishing a Late Friends Handmade 1956 Baby Buick Special Mini Car, Best 3-Ton Floor Jack? The Ford chart below contains a general decoder system for Ford pickup from the 1980s till the 1990s. Fords 9 inch rear axle was produced from 1957 through 1986 and was installed in nearly every Ford passenger car and truck at one time or another. Gear Ratios - RPM from Speed, Rear & Trans. Some of the heavier cars like the Galaxies also received the This additional bearing and, more importantly, the necessary casting support structure is what drives the larger hypoid offset. This is not a nodular unit. Here is a quick visual summary: The 1957 housings do not have dimples on them and have an oil drain plug. While the 1350 u-joints provide enough strength to handle most demanding of applications, Strange also offers a variety of yokes with1480 u-joints for the ultimate in driveline strength and dependability. With their high-volume production, the two biggest quality problems were leaks from poor welds and poor alignment of the housings. GM A-Body Complete 9" Rear End Packages. around 64-65 I believe.They are most often found behind the later 428CJ determine which axle housing many cars and trucks received. The 9-inch housing's center section will not allow the socket to clear, and . The bottom line begins with the ratio being the first set of numbers. So, after crawling under just over 50 Cars, trucks etc at the local Upull, I found that a 1995 2wd 2.3 Ranger has the correct length driveshaft at 47.5".chevy truck driveshaft length chart. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not WJ Handy Dad.As an Amazon Associate I earn from qualifying purchases 1. This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. The axle model codes are interchangeable, typically the suffixes are different for a revision change but the axle is still interchangeable with one having the previous suffix. The 9-inchs very large pinion offset of 2.25 inches requires the pinion to be straddle mounted, which refers to the fact the pinion head has bearings that straddle it on either side. found in the trucks up to around 1982. No. with 3/8" fine thread, while the larger bearing use 11/16" It is a banjo-style axle as is the 8-inch. The Ford 9 inch rear end also has the widest variety of ratios on the market, Particularly in the 3.0:1 to 5.0:1 range. About | Contact | Terms | Privacy. This chart applies to all Ford non-overdirve transmissions, manual and automatic. 52" Because You Many aftermarket companies produce 9 Ford equivalent rear axles for the drag racing and hot rod industry. and Fairlane axle housings are often grouped together because they are the Why is the Ford 9in rear end the go to rear axle for street and strip builds for over 70 years? to the housing, the small bearing housings use 9/16" socket size nuts Gear Ratios Drag Strip Performance - 1/8 Mile Horsepower Requirements from MPH - 1/8 Mile Horsepower Requirements from ET - 1/8 Mile ET from MPH - MPH - Km/H in 1/4 Mile using Horsepower Most of Talk to the experts. The Maverick 8" or Ranger 7.5 and 8.8 are good options. Read this first! Use this information at your own risk. Like the 9-inch, the 8-inch uses no carrier breaks, meaning you can put a 5.43:1 ring and pinion in a 2.79:1 rear without changing to a smaller differential carrier. This strengthens the whole rear end assembly. Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale, 1967-1970 Mustang, Fairlane, Comet, Cougar, 1967-1971 Comet, Cougar, Mustang, Fairlane, 1967-1973 Mustang, Torino, Ranchero, Fairlane, 1967-1973 medium and big block Mustang and Cougar, 1966-1971 Fairlane, Torino, Montego, Comet, and other Fords with big-block engines, 1977-1981 Lincoln Versailles and Trucks . Measuring from axle flange to axle flange (measurement A in the diagram below) will give you total axle housing width. Home / Performance Front & Rearends / Parts Department / Ring & Pinion Sets / 9-Inch Ford. In most cases, the tag has been lost. One exception to this was Ford Rear Axle Assembly Identification - Page 09: NOTE: Axle tag location and appearance may vary by application. If you need the Rear Axle Ratio for a vehicle produced before 2008, contact ourCustomer Relationship Center via Chat or call us at 800-392-3673. The desirable N-style, nodular-iron gear cases are available in four different versions. also received the larger axle bearings housings. 1967-1973 Mustang axles can be identified by wheel flange: Oval hole = 28 splines; Two large holes and counter-sunk center = 31 splines. The third member supports all of the gears and bearings, which allows for easier gear ratio swaps if you have multiple third members. There is a very fundamental difference between Fords 8.8- and 9-inch axles. as the Mustang. Ironically, 8.0-inch independent carriers were made in cast iron. Axle Ratio = (RPM X Tire Size)/ (Speed (MPH) X 336) Example 4.88 = (2881 X 37)/ (65 X 336) If you are building a 9-inch Ford rear end for your project know you have plenty of options in gear ratios, axles, bearings, brake kits, and much more! T & C FORD TOP LOADER 4 SPEED WIDE RATIO 2ND GEAR 31 TOOTH showing .
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