If you are looking for an N case or think that you have found one of these desirable axles, make certain to examine it closely. The narrowest production 9-inch axle is 56.375 inches. socket size and 7/16" fine thread. Cost and complexity are two. Ford trucks and cars from 1968 onwards are equipped with the Ford Axle codes, which are clearly indicated on the certification plate. 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. There is a gear ratio stamped on the tag. General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. The information on the plate includes: The purpose of the axle code is to help identify the specifics of a particular vehicles rear-end axle. 1963-1977 Lincoln, LTD, Thunderbirds had 9.375-inch centers, housings were cut away at the gasket surface for ring gear clearance, one curved rib at the front top portion of differential, strong but no gears.. Here is an example of 11 x 2-inch drums brakes with the small bearing size on the left and the large Torino style on the right. thanks. So rare Ford dropped it after 66, when they also dropped the 7" Equalock. We stand behind our products with some of the smartest technicians in the industry. All of the 8-inch case nuts can be accessed with a socket. 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. Learn how to hook up a 1-wire alternator on your vehicle. Pairing your vehicle with the wrong axle components will not only damage your vehicle but cost you a lot down the line. for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes You will also learn how to identify the codes in Ford vehicles. Therefore, these axle assemblies require better quality oil and good underbody airflow to keep the unit cool. There is a very fundamental difference between Fords 8.8- and 9-inch axles. duty.And believe it or not, they were also used in some FE equipped Ford The last one i got was marked "Mustang Posi" on the rear of the differntial by the people at the yard who dissembled the car. This strengthens the whole rear end assembly. You will need to look at the Ford axle code chart to replace your Ford rear-end axle parts. 31-spline carriers and "Traction Loc" style posi unit. Both 8- and 9-inch axle housings are made from a series of stampings that are fixtured and welded together. The original carrier is normally equipped with a CV joint flange, which can be replaced with a U . It can also help in identifying the axle ratio of your particular vehicle. can easily tell this is a 9-inch from the hump in the rear and (2) Its called a 9 inch because the ring gear measures 9 inches. Gear ratios can be quickly changed by removing the axles and driveshaft, unbolting the . Notice that the date code is C9UA with the ring gear size of 8.7. The additional straddle mount pocket bearing provides additional support to the pinion head during high-torque events. Some tags reference the week of the month instead of the exact day and just use a letter (A to E) for first through the fifth week of the month. Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. Required fields are marked *if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'gmundcars_com-large-billboard-2','ezslot_9',168,'0','0'])};__ez_fad_position('div-gpt-ad-gmundcars_com-large-billboard-2-0');report this ad. If you know your axle tag number, simply go to the second table. 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. It has been said that it has a higher JavaScript is disabled. 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. Unless you are building a Pinto or straight six-cylinder vehicle, you want to avoid it. Dec 1, 2011. 289 Hipo cars.The N cases went with 31 spline centers and are for rugged Ranger The large 9-inch diameter ring gear (where the axle derives its name from), combined with its offset to the pinion gear makes for a larger ring and pinion contact surface area, increasing strength. The later popular early swap being the 1957-1959 Ford for the 1965/1966 Mustang. Mustangs and Fairlanes. 31-spline carriers and axle shafts. The The bottom line begins with the ratio being the first set of numbers. housings also evolved over the years: common carrier housing found is the C7AW-E. At this width, many were used in street rod applications without modifi cation. The close-ratio and C4 289HP trans were mated to the 3.50, and occasionally to the 3.89 and 4.11. Axle code is a combination of letters and numbers stamped on a small plate/tag attached to your vehicles rear axle. many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4 the early housings are ok for the average street performance cars. It has a square design with four rounded corners and ten bolts. Due to factors beyond the control of WJ Handy Dad, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. (It was later used for pick-ups and Broncos.) Hypoid offset is the distance between the centerline of the pinion and the centerline of the ring gear. This will ensure that the correct replacement parts are purchased or salvaged from a junkyard to be used in the vehicle. used the 9-inch rear, regardless of engine size. 1967-1973 Mustang, Torino, Ranchero, Fairlane 9-inch How To Identify The Axle Ratio From The Axle Code, Step 1: Locate the Safety Compliance Certification Label, Step 2: Locate the Axle code column on the label, Step 3: Get the manufacturers axle code chart. Your email address will not be published. earlier housings used in cars from 1957 to mid 1960s tended to be the Let's see, I have had 2.79. Dont be surprised if the tag you have does not exactly match this. There are 4 different sets of rear axles that would have come stock in 66-77 Broncos. You must confirm the flange version to be able to order the correct drum brake backing plates, disc brake conversion kit, or even the axles bearing retainer. The axle code in our example, H9, has a specific meaning. Any Ford 9" carrier will fit, as long as it has a fill plug on the side. 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. GM B-Body Complete 9" Rear End Packages. Talk to the experts. 1964-1971 Falcon, Comet, some 1965-1969 Mustangs or 1964-1967 Ranchero V8 cars. How To Identify 9 Inch Ford Housings Chart via Speedway Motors. The code, 4L11, tells us that it is a 4.11:1 ratio with a limited-slip or Traction-Lok differential. for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch There may be a second dash and more numbers and letters on the top row if there are specifics that are unique for interchange information. The rear end width is important on shoebox Fords if you want some selection on wheels. SHARE THIS ARTICLE: Please feel free to share this post on Facebook / Twitter / Google+ or any automotive Forums or blogs you read. Note the two lower bolts at 6 and 7 oclock have straight access with a socket. When you buy through our links, we may get a commission. The axle housings themselves had many different variations over time as well. and Fairlane axle housings are often grouped together because they are the medianet_crid = "364974658"; 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. truck housings received even beefier center carrier housings and tubes, You bring the gumption. I have a '50 Club Coupe and have experienced this first hand. The 1958s and 1959s have two dimples on either side of the housing and some have drain plugs. Content. i.e. The last set of numbers is the vehicle plant code. This is by far the most common axle used by restorers, hot rodders, customizers, and racers. This is because the supply is limited to by the size of the nuts and thread used to retain the brake backing plates Locate the Safety Compliance Certification Label on the driver's side front or rear door panel. Differential Gear Ratio Calculator. As you proceed to the Ford Axle Code chart, you will notice that the table indicates it has a Ford 8.8 Limited Slip Differential with an Axle Ratio of 3.55. 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. 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. 77-81 Lincoln Versailles. You can then enter any term, such as Axle Ratio,to search the guide. many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4 to the housing, the small bearing housings use 9/16" socket size nuts 1/2 in Ring Gear Bolts: WCN-B: Ford Pass '63-64: 3.50: 9 in: NL4-1/2 in Ring Gear Bolts . I guess this helps add to the splendor of the vehicle. - as in the Mustang line, most however never received a factory 9-inch). The ring gear speed sensor is shown in the upper right-hand portion of the photograph. 2. An assortment of Ford 9-inch axle stampings is welded together to create the housing. wheel drives) right up until about 1982, these housings are by far the It has more ground clearance than a Dana 60. Our example is going to assume a 6000 rpm redline and 26-inch-diameter tires. nickel content and better casting than the earlier single ribbed cases it Here is an example to help you through. Many aftermarket companies produce 9 Ford equivalent rear axles for the drag racing and hot rod industry. When it comes down to actual shafts as well, since the truck lug 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). Gear Ratios - RPM from Speed, Rear & Trans. Axle length is not always identical from side to side, as many 9-inch applications use an offset center, so you must measure the housing carefully to be able to order the proper axles. 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).

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