Ford Axle codes help identify the vehicles positraction as well as an axle to gear ratio. it was very complete. 1967-1973 Mustang, Torino, Ranchero, Fairlane 9-inch socket size and 7/16" fine thread. When it comes down to actual shafts as well, since the truck lug "N Case" was no longer needed for passenger car/truck 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. housings. Axle Ford trucks and cars from 1968 onwards are equipped with the Ford Axle codes, which are clearly indicated on the certification plate. Like the H in our case shows a car with a limited-slip differential. 52" smooth backside. 1972 and earlier, 31 spline axles have the ability to be shortened. medianet_crid = "364974658"; Rear ends with 3.42 gears usually come in 8.2 and 8.6-inch units, Rear ends with 3.73 gears come in 8.5 8.6-inch units Best Gear Ratio For Your GM 10 Bolt. With their high-volume production, the two biggest quality problems were leaks from poor welds and poor alignment of the housings. The first number is the last digit of the model year of the decade, the next digit is a letter and represents the month (A is for January, B is for February, and so on), and the last two digits represent the day of the month. carriers, while sometime in the early 70's the switch was made to mostly in the backside middle and stronger tubes. GM Truck Complete Rear End Packages. Learn how to hook up a 1-wire alternator on your vehicle. N-case. This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. Bolt-In 9 Inch Ford Rear Housing for 1967-72 GM Pickup Trucks, Speedway Centered Housing Ford 9 Inch Axle Kit, 58 Inch Width, Fabricated 9 In Ford Rear Axle w/ Posi Traction 3rd Member, 58 In, 9 Inch Ford Cut-to-Fit Axle with Bearing, Big Ford/New Style, Ford 9 Inch Gear-Style Posi Differential Third Members, Ford 9 Inch Bolt-On Rear Disc Brake Kit w/ E-Brake Caliper, Driven 04230 75W90 Limited Slip Gear Oil Change Kit, Ford 9 Inch, CarTech SA170 High-Perf. GM G-body 78-87 Complete 9" Rear End Package. around 64-65 I believe.They are most often found behind the later 428CJ Ford 9.5 PRO GEAR* *PRO GEAR RATIO PART NO. . This particular pinion cartridge is well reinforced and much stronger than the stock production cartridge. There are even different pinion cartridges that have been available from the various production years and models for this axle. These were used sporadically until about 1969. Since these housings were a series of stamped-steel pieces all welded together, there were many different overall lengths, tubes sections, mounting brackets, and even general constructions over the years (see Chapter 5). the Broncos from 1966 to 1977, they stayed with the 28-spline units. If you know your axle tag number, simply go to the second table. widths I keep in mind for Mustangs are the following: The case 13 lovely chevy 10 bolt rear end gear ratio chart. 289 Hipo cars.The N cases went with 31 spline centers and are for rugged Many aftermarket companies produce 9 Ford equivalent rear axles for the drag racing and hot rod industry. The Ford 8.8-inch axle has a cast center section and the internal components are installed from the rear. The 77-81 Lincoln Versailles. We provide how-to and technical articles, vehicle and build features and examples, plus calculators and lookups that will help you get your ride from dream to driver. 31-spline carriers and "Traction Loc" style posi unit. Paint gmc dupont charts reference chart 1956 1959. Written by Joe Palazzolo and Republished with Permission of CarTech Inc. However, the critical aspects of the rear axle are the axle flanges and axle lengths. Any sufficiently advanced technology is indistinguishable from magic . 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! The close-ratio and C4 289HP trans were mated to the 3.50, and occasionally to the 3.89 and 4.11. A Gears / Diffs / Install Kits Listed By Vehicle, Standard Gears & Pro Gears Dana / Ford / GM / Mopar, Strange T-Shirts. 4.09 Front, 4.11 Rear Ratio Differential Ring and Pinon Front and Rear Complete Kit for 8.5 Front (Inch), 9 Rear (Inch) (10 Front, Dropout Rear) . 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 aftermarket has responded to this by offering a plethora of ratios ranging from 2.91 to 6.50:1. 8. To determine the axle ratioof your vehicle, locate thetwo-digitaxle code first, then use your vehicle'stowing guide to find the axle ratio that corresponds to that code. Here is an example of a weld repair on a factory original housing. Also, since this axle is used in so many circle-track race cars, the 9-inch enjoys an unparalleled availability of different gear ratios in the aftermarket. While the 8.8 is similar to the 12-bolt, it isnt identical. 76-77 large bearing. diameter bolt circle, 1967-1973 Torinos, Rancheros, Fairlanes 59.25 inches or Your email address will not be published. with 3/8" fine thread, while the larger bearing use 11/16" Most of So dont be surprised that most of these axles leak from the welds. for 1967-1970 (same as 1966-1969 Fairlane, Torino, Comet & Cyclone non For example: The tag will say: 350 for 3.50:1 ring and pinion gear ratio. This is when making a few phone calls to reputable axle builders can be helpful. This case looked like a nodular unit from the front regarding rib structure but did not have the N on it. pattern in most cases differed from the car, and due to the bearing size The 8.8 is a traditional semi-fl oat Salisbury axle with C-washers for axle retention. It may seem strange to begin by comparing the 8-inch to the 9-inch axle, but there is an important distinction to make since the 8-inch axle is weaker than the 9-inch. The smaller 8-inch third member is on the right. There were many instances of cuts and scratches from the thin steel tags sticking up on the axles. in cars and trucks. The 8-inch also was only available with 28-tooth axle shafts. station wagons-cars with 351 and up engines received 9-inch units - as did large-bearing semi-floating axles, and many can be found with hefty 31-spline Axle Size/Strength Chart; Explained Videos; Tech Articles; 9-Inch Ford. Torsion Axle Vs. The Ford 9 inch rear end is one of the most popular axles in automotive history. 5.4L (including Lightning) and some 44 super cabs and higher GVWR models which were equipped with the heavier-duty 9.75-Inch rear axle. for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes 70's. . socket size and 7/16" fine thread. Ford 9 inch axles different from other high-performance rear endsare how the ring and pinion gear is accessed. Ranger The best gear ratio for a GM 10 bolt is 10,41 because it is the only ratio that allows your engine to turn 10,41 times per minute. Axle code is a combination of letters and numbers stamped on a small plate/tag attached to your vehicles rear axle. Some axle shafts can be shortened and a new spline machined in place. Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. In 1963, Ford includedmore information. So again, unlike the GM and Dana axles that require a unique differential with different ratios, the Ford 8.8-inch differential is common across all of the ring-and-pinion ratios. We stand behind our products with some of the smartest technicians in the industry. The narrowest production 9-inch axle is 56.375 inches. This includes the Center Case, the Pinion gear, the ring gear, and the differential or spool. You can then enter any term, such as Axle Ratio,to search the guide. Enter the required Overall Width, Pinion Offset (location), Brake Space and Drum/Rotor thickness to find axle length and housing width. mind as mentioned, the Fairlane spring perch distances were not the same Boss 429s, 427s, 428 CJ/SCJ and the 429 cars which received the Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. Visit the RV & Trailer Towing Guides page on the Ford fleet website. Richmond Tech Support. The fourth version did not have the N in the casting on the outside but still retained the rib structure. 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. The BOM will identify the model number, the gear ratio, the type of differential, and all component parts. Axles Tubes Are 4-Inches. 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. It is as easy to cut down as any other 8 or 9 inch Ford axel. We'll work to keep you motivated and informed and with industry news, product information and reviews, event coverage, and well-curated articles and stories intended to inspire and educate. The features the legendary Ford 9-inch ring and pinion strength, 5-on-5.5 lug Generally most cars received the small axle bearings and 28-spline axle 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. Get any 3 for $25 plus shipping. applications due to the demise of most performance engine options in the narrowed rear ends due to the added strength in the middle. Home / Performance Front & Rearends / Parts Department / Ring & Pinion Sets / 9-Inch Ford. 1973-1979 Ford Truck Rear Axle Codes. 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. Our aluminum cases are manufactured from premium material sourced in the USA, designed and machined in-house, and offered in various forms to meet the requirements of the most demanding applications. The repair process requires the axle to be disassembled and thoroughly cleaned. The larger offset is better for strength and noise but worse for sliding and efficiency. 8300 N. Austin Ave Morton Grove, IL 60053 With the chart in hand, locate your vehicles axle code on the axle code column. 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/. found in the trucks up to around 1982. The axle housings themselves had many different variations over time as well. and Fairlane axle housings are often grouped together because they are the 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 . weakest and had abrupt ending but welded carrier centers to tubes and a can easily tell this is a 9-inch from the hump in the rear and (2) Mustangs Ford Rear Axle Assembly Identification - Page 01 . While the iron is molten, magnesium is added to increase the shear strength of the alloy. Therefore, these axle assemblies require better quality oil and good underbody airflow to keep the unit cool. 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. The N cases typically came with the larger Daytona-style pinion support bearing, and 31-spline axle shafts. I guess this helps add to the splendor of the vehicle. There may be other labels attached to that pillar so pay attention to one that looks similar to the one below. The WFE-V2 helps us fi nd the decade of the 1970s. 1973 and later cars have a 55 bolt pattern, and the axles cannot be shortened. The Maverick 8" or Ranger 7.5 and 8.8 are good options. Tip: To search theTowing Guide, press CTRL + Fto open a search box in your browser. If the axle tag is missing, as most are, you need to remove the third member in order to know what ratio you have and if it has a limited-slip or not. These variations include different-size drum brakes, disc brakes, and wheel hub arrangements. There are 4 different sets of rear axles that would have come stock in 66-77 Broncos. Note that most, but not all, applications will usually have one axle longer than the other due to an offset center section, so don't just measure one side and assume the other is the same. Here is the step by step guide: The Safety Standard Certification/ Safety Compliance Certification label is located on the door pillar of the left driver seat of your truck. for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch The small bearing housing can be differentiated from a large bearing housing Check it out. Fords small block and big block engine families have their share of flexplate differences. the axle from around the 1957 model year right up until the early 1980s There are a few exceptions that you will see in the Ford Axle code chart. Ford 9 inch rear end identification is easy and can be accomplished with nothing more than a deep socket as a go-no-go gauge for the bottom two retaining nuts on the center section. The bar code is present on this unit as well, although later axles just carry the bar code and the metal tag is no longer required. 59.25 inches to 61.25 inches, 1957-1959 Ranchero and station wagon rears, 57.25 inches, 1967-1971 Comet, Cougar, Mustang, Fairlane, 59.25 inches, 1967 Fairlane 63.50 inches (coil springs), 1957-1959 Ranchero and station wagon 57.25 How To Identify 9 Inch Ford Housings Chart via Speedway Motors. Both standard and W-series cases are made out of gray cast iron. It has enjoyed a long production history with many variants. This complex fixturing and welding process, coupled with fuel economy concerns, is what eventually led to their production demise. Ford 9 Inch Rear End Gear Ratios Chart1969 impala ss 427 4 speed. The 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. Dec 1, 2011. While we do offer cut-to-fit axles, you still need to ensure you have the proper measurements to be within the cut-to-fit area of the axle's splines. 56" middle of case it is a good IRON type IF in the very center of this case Calculators. differences, 28-spline car axle shafts are much more abundant than the We'll also walk you through choosing the correct parts in order to make this installation a breeze! Differential Gear Ratio Calculator. Some of the heavier cars like the Galaxies also received the housings also evolved over the years: . Most of the later trucks 100 x 4.12. So rare Ford dropped it after 66, when they also dropped the 7" Equalock. TEETH 1 4.11 79-0097-1 37-9 1 4.29 79-0098-1 30-7 1 4.57 79-0101-1 32-7 2 5.14 79-0109-L 36-7 2 5.17 79-0112-L 31-6 2 5.20 79-0111-L 26-5 For Maximum . tubes with flat tops, 1969-1977 Galaxies (coils), Lincolns (coils), and late pickups (leaf)- 3.25 1/2 in Ring Gear Bolts: WCN-B: Ford Pass '63-64: 3.50: 9 in: NL4-1/2 in Ring Gear Bolts . found in the trucks up to around 1982. The I reference these axles based on the ring gear nominal outside diameter in inches. It was introduced in 1957 model year cars and ended production in 1986, having been phased out in favor of the Ford 8.8 inch axle.However, aftermarket companies still produce the 9-inch design. Additionally, the Ford 9-inch utilizes a removable center section, often referred to as the Ford 9-inch pumpkin, Ford 9-inch chunk, Ford 9 inch third member, or even a Ford 9-inch pig! For a better experience, please enable JavaScript in your browser before proceeding. the early housings are ok for the average street performance cars. pattern in most cases differed from the car, and due to the bearing size . The 1958s and 1959s have two dimples on either side of the housing and some have drain plugs. the Broncos from 1966 to 1977, they stayed with the 28-spline units. Pairing your vehicle with the wrong axle components will not only damage your vehicle but cost you a lot down the line. more plentiful starting in the early 1970's, many of the units found today And you can find the axle code charts on the internet from your manufacturer. Because housings appeared in either 1966 or 1967 with the familiar "Hump" Find the two-digit code under AXLE. nickel content and better casting than the earlier single ribbed cases it Select the Towing Guide for your vehicle's model year. Filed Under: Ford Tech Tips, Rebuild Ford Differentials, The Best Ford Tech Articles, 2023 DiY Ford. The bearing cups are in the pinion cartridge and the third bearing trunnion roller bearing is located in the gear case. 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. 1957 . The instructions below will walk you through the steps. by the size of the nuts and thread used to retain the brake backing plates same width, but the distance between spring perches is different between The axle was developed to replace the Ford 9-inch axle.This axle is still in production today for a variety of Ford vehicles. For example, Ford says the 2018 F-350 Super Duty 4x2 regular cab pickup equipped with the 6.2-liter . Strange Engineerings heavy-duty lines of S-Series transmission and pinion yokes were designed by Strange and are manufactured from USA made high tensile strength nodular iron castings. The axle tag typically has two lines of numbers and letters stamped on it. Part Category: Disc Brake Rotor and Hub Assembly.1999 Ford Ranger Rear Axle Assembly 7.5 RING GEAR, 9 BRAKES, 4.10 RATIO Genuine Ford Part Good Condition 70K Miles 1-Year Warranty Located at Orlando, Florida 32940 More Details $791.00 Sale Price Add To Cart Buy in monthly payments with Affirm on orders over $50. The large bearing size was available with fi ve different brake drum widths. Ford used 67-71 Comet, Cougar, Mustang, Fairlane = 59.25 inches. Our Mopar flexplate buyers guide will help. Remember to locate the Safety Standard Certification label on the left side door post as you open the door. 9-inch (cars) have a 5-on-5 bolt circle and the axles cannot be shortened. The 8.5- and 8.8-inch gears have even found themselves in the independent-carrier-style axles. Generally most cars received the small axle bearings and 28-spline axle All the Galaxies I have seen from throughout the 1960s The date code on this axle tag is 7AC, and it corresponds to the 7th year, 1st month (January), and 3rd day. Boss 429s, 427s, 428 CJ/SCJ and the 429 cars which received the Discount is automatically applied. earlier housings used in cars from 1957 to mid 1960s tended to be the 31-spline axles and carriers for most trucks. The 9-inch ring and pinion is front-loaded into the rear end housing. used the 9-inch rear, regardless of engine size. The Ford 9-inch can be found under 1974-1986 F-150s and 1978-1986 Broncos. differences, 28-spline car axle shafts are much more abundant than the Our editors pick the products & services we write about. 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 . and Fairlane axle housings are often grouped together because they are the 1958-1959 two dimples on the back of housing, flat center band, some had drain holes. This roadster sounds amazing, goes hard and turns heads wherever it goes. actual car posi units, which were primarily 28-spline carriers, can be The N cases had two vertical ribs, three horizontal ribs, and a machined-in fill plug. These used what is referred to as a These axles had a stout 2.25-inch ring gear offset as compared to a 1.5-inch ring gear offset of the later 8.8-inch axle. The Ford 8.8-inch is very similar to the General Motors (GM) 878-inch, 12-bolt axle. Here is a picture of the milling machine cutting new spline teeth after the axle has been cut to length. Note the ring diameter cast into the housing above the pinion. It is easy to locate the Axle Ratio from the Axle code, but first, we need to know how to get the Ford axle code itself. Before you embark on the rebuild and start scouring local scrap yards and online websites, it will be helpful to understand what to look for and what to avoid in these axles. There are three bearings on the pinion shaft: the two traditional tapered roller bearings for the head and tail bearings with a third cylindrical roller bearing on the opposite end of the pinion head. No Brake Fluid Coming Out When Bleeding: The Causes and How to Fix, 15 PENSKE Truck Warning Lights: Video Included, Manufacture date of the particular car model (DATE). It was also used in the 1983-1996 full-size Bronco, and E150 Econoline . only need to carry one spare should you choose to. Both axles share a common design and are often referred to as banjo style or third-member style. The "rough" Ford rear ends, or differentials, were manufactured by either the Dana Corporation or Ford. When narrowing a Ford 9 inch rear end, the first step is determining the overall length you need. Ford personnel and/or dealership personnel cannot modify or remove reviews. These tags provided information for the service technicians but wasnt that important for the vehicle assembly plants. Drag Racing 101 ~ Everything You Need to Know! With so many better performing aftermarket options today, there is no reason to use these marginal brakes. Buyers Guide. "N Case" was no longer needed for passenger car/truck Proceed to match the code with its corresponding Axle Ratio column on the table to find the ratio. WJ Handy Dad recommends safe practices when working on vehicles/homes and or with tools seen or implied in this video. same width, but the distance between spring perches is different between GM X-Body Nova Complete Rear End Packages. Most of the time, the differences are in shock and spring mounting brackets and, of course, brake hardware. This chart applies to all Ford non-overdirve transmissions, manual and automatic. The tubes do not have any welds, and you just see the witness marks of the parting line for the dies on the tubes. When you look on the inside, you see WAB- 4025A. Some of this information is very important as it is becoming more and more difficult to find documentation on axles and differentials that were built more than 40 years ago. 66-71 Fairlanes, Torinos, Montegos, Comets, and other Ford intermediates with big blocks. There are a few exceptions that you will see in the Ford Axle code chart. The Ford Axle code chart is a handy tool for positraction replacements. 3. The later determine which axle housing many cars and trucks received. 31-spline axles and carriers for most trucks. Remember this is the RPM based on no slippage at the torque converter so your actual RPM will be different during acceleration or times when the torque converter is slipping.3.55 gear: https://amzn.to/2HMrffx3.73 gear: https://amzn.to/2r0MakF4.10 gear: https://amzn.to/2JouvuH#wjhandydad #crownvic #reargear #gearratio #DIYhttp://www.WJHandyDad.comDisclaimer:Due to factors beyond the control of WJ Handy Dad, I cannot guarantee against improper use or unauthorized modifications of this information. if one wants to use a 31-spline truck carrier in a car. So again, unlike the GM and Dana axles that require a unique differential with different ratios, the Ford 8.8-inch differential is common across all of the ring-and-pinion ratios. For Example: 235/45ZR-17 (235 x 0.45 x 2 25.4) + 17 = 25.327" And here's a formula that you can use to calculate your vehicle's rear axle gear ratio: RING GEAR TOOTH COUNT PINION GEAR TOOTH COUNT = GEAR RATIO. This sensor is for the anti-lock brake system. 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. Install Kits and Gears Sets Listed By Rear End. JavaScript is disabled. mind as mentioned, the Fairlane spring perch distances were not the same truck housings received even beefier center carrier housings and tubes, The image below shows the Safety Label of a Ford Truck. 1957 no dimples, flat center band up the center of the rear cover, bottom drain plug. It is the one most commonly There are three versions with external Ns cast in; note the more curved style on the top right. Later shafts. In most cases, the tag has been lost.