Some of the heavier cars like the Galaxies also received the Applications: Ford Used The Dana 70 And Dana 70HD Axles In F-350 Trucks Up To 1985.5. dimples. There are four versions of the nodular iron third members that were produced from the factory. housings. The unit on the top left seems to be nodular iron but requires a little more investigation to verify. This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. "Pro" gears are designed specifically for drag racing. The material and heat treating provide excellent wear service life, but doesn't handle shock loads as well as Pro 9 in gears. These were used sporadically until about 1969. The 3.00, 3.25, and 3.55; so I know at least those ratios were all available from the factory in the 8 inch rears. Gear Ratios - RPM from Speed, Rear & Trans. Dont Be That Guy, Reversing Gears ~ Rescuing Ones Own Derelict 1967 Pontiac GTO, How To Paint a Lace Roof on the Cheap Using Grandmas Curtains, Exploring an Antique Junkyard in the Hills of West Virginia, Engine, Transmission, Chassis Swap Donor Vehicle Look-Up, How To Box-In a Differential / Solid Axle Rear-End Housing, How To Select Proper Rear-End / Differential Gear Ratio, Install Bolt-On Disc Brake Conversion Kit on 8 and 9 Ford Rear-Ends, 1966 Ford Fairlane 427 Twin Turbo Street/Strip RestoMod Build, How To Repair a Twisted Cable End with a Simple Homemade Tool, 1928 Ford Model A Roadster Build by OL School Garage, Engine / Transmission / Chassis Donor Search, Project Cars and Part Donor Cars For Sale. Besides the styling of the Ford Edsel, even the axle shafts were very unusual. Read this first! 77-81 Lincoln Versailles. 67-73 medium and big block Mustangs and Cougars. also received the larger axle bearings housings. Ford Axle code identification, Read more: Front Axle Of A Car: Types, Functions, And Replacement. There are a few exceptions that you will see in the Ford Axle code chart. There is typically a stamped steel cover that must be removed to gain access to the internals. 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. . I have spent countless hours over the years collecting, reading, and studying old shop manuals, supplier reference documents, SAE papers, and even vehicle manufacturer reports and notes. The later There are even different pinion cartridges that have been available from the various production years and models for this axle. Axle Ratio = (RPM X Tire Size)/ (Speed (MPH) X 336) Example 4.88 = (2881 X 37)/ (65 X 336) The Lincoln Continental style of disc brakes use 11-inch rotors. From my piles of rare parts, here is an independent cast-iron 8.8-inch carrier axle. This axle tag belongs to a 1977 F-150. GM X-Body Nova Complete Rear End Packages. Check it out. more plentiful starting in the early 1970's, many of the units found today The 1958s and 1959s have two dimples on either side of the housing and some have drain plugs. There may be other labels attached to that pillar so pay attention to one that looks similar to the one below. The other identification information, 9, as observed from the chart, indicates a 3.55 gear ratio of the Ford F-150. The third reason was basic health and safety concerns for the assembly technicians and other employees who handled the axles in the manufacturing and assembly plants. The tubes do not have any welds, and you just see the witness marks of the parting line for the dies on the tubes. 67-70 Mustang = 59.25 inches. That is your vehicles axle code. 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. MaritzCX moderates public reviews to ensure they contain content that meet Review guidelines, such as: No Profanity or inappropriate defamatory remarks, No Personal Identifying information (e.g., customer phone number or email), No Competitor references (e.g., another brand or dealership), Dangerous behavior (e.g. Well show you what to look for in this buyers guide. Ray. The smaller 8-inch just cannot handle the abuse as its bigger brother can. inch diameter all the way to the backing plate, coil housings have upper 66-75 large bearing, 3. socket size and 7/16" fine thread. We'll also walk you through choosing the correct parts in order to make this installation a breeze! many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4 N-case. 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. The WAR, WAA, and WAB cases have the same ribbing as the N case, but are missing the ever important N feature. wood and natural gas. A copy of the Ford Axle Code Chart is linked below in this article. Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. I guess this helps add to the splendor of the vehicle. 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. 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. Our Mopar flexplate buyers guide will help. 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 . Save my name, email, and website in this browser for the next time I comment. The Godfather of Performance Axles-The Venerable Ford 9-Inch, Ford 9-Inch Axle And Bearing Retainer Retains The Axle In Case of Breakage, Checking A Ford Axle With a Deep Socket To Confirm If It Is a 8-Inch or 9-Inch, Ford 9-Inch Rear End Axle Flange Identification, Measuring a Ford 9-Inch Axle Housing and Axle Lengths. Notice that the date code is C9UA with the ring gear size of 8.7. With 568 Ford 9 Inch Parts for sale, you're sure to find the ideal parts . I'm not responsible for incorrect information, Width: all measurements are flange to flange, Ford Rear Axle Assembly Identification - Page 01 - FORDification.com. An assortment of Ford 9-inch axle stampings is welded together to create the housing. 1. axleshafts. With its 2.250-inch offset, the Ford 9 inch gears hypoid distance is greater than popular competitors, most of which are at 1.5 inches or even less. This is a major advantage compared to other rear axle systems because disassembly is faster and more convenient. earlier housings used in cars from 1957 to mid 1960s tended to be the 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 have the two driving holes for the manufacturing process while one has a more square looking drive end. (The third digit of the axle code identifies the ratio and/or capacity of the front axle, if applicable. (often referred to as a "POSI") came to be a popular option and applications due to the demise of most performance engine options in the Let's see, I have had 2.79. 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 Ford Explorer uses an independentstyle Carrier made out of cast aluminum. mind as mentioned, the Fairlane spring perch distances were not the same 31-spline axles and carriers for most trucks. The BOM will identify the model number, the gear ratio, the type of differential, and all component parts. 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 works with all of the Ford ratios. GM B-Body Complete 9" Rear End Packages. replaced, and that is why it remained in use for so long. The axle tag typically has two lines of numbers and letters stamped on it. control arm mount. But if youre looking for an original, they can be spotted quite readily even without an axle identifycation tag. wheel drives) right up until about 1982, these housings are by far the In this video I break down in great detail the speed at which your car will be going for every 500 engine RPM with each typical rear gear ratio for each gear. GM F-Body Complete 9" Rear End Packages. The tags were replaced with adhesive labels that are placed around the axle tube near the brake and wheel end. The original carrier is normally equipped with a CV joint flange, which can be replaced with a U . and trucks throughout the 1970s. Axle Ford rear ends, or differentials, were manufactured by either the Dana Corporation or Ford. Power is transmitted from the transmission to rear end 1:1 in high gear. In order to verify a nodular unit, you need to look on the inside of the casting. Mismatching issues are a big problem when it comes to automotive repairs. It is the one most commonly The last set of numbers is the vehicle plant code. version of the case came into use in 1967 or in subsequent years, but it 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. Cost and complexity are two. 70's. The instructions below will walk you through the steps. In this video I break down in great detail the speed at which your car will be going for every 500 engine RPM with each typical rear gear ratio for each gear of the transmission and then reverse it to show engine RPM for every 10mph and each transmission gear. the best. This was offered on the 1960 F-100 truck. 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 most This video is a good example of what goes into the process . nickel content and better casting than the earlier single ribbed cases it threatening to harm employees or others), Lack of adequate text (e.g., symbols, emojis and random letters), Reviews on the product and not the customers Sales or Service experience. The ring gear speed sensor is shown in the upper right-hand portion of the photograph. The first two digits of the axle code identify the ratio and capacity of the rear axle. 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. GM Tri 5 55-57 Chevy Complete 9" Rear End Package. 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. of course most desirable is the N case, first used on the 427 Galaxies much more difficult to locate. as the Mustang. Select the Towing Guide for your vehicle's model year. Some even consider these axles to be bulletproof. 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. Some axle shafts can be shortened and a new spline machined in place. You will need to get your hands on your manufacturers axle code chart for this part. 52" This bearing and the casting structure surrounding it need to be carefully inspected as this is a common area for cracks. 4. The Ford 9 inch housing is a semi-floating, drop-out axle. The 9 Ford rear axle, so called because of a 9 ring gear diameter, is the choice of many circle track racers because of its strength, availability and ease of maintenance. Finding the location of this certification plate is easy. You will also learn how to identify the codes in Ford vehicles. Keep in for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes Ranger in cars and trucks. In contrast, on the 9-inch, two nuts on the bottom at about the 6 and 7 oclock positions cannot be accessed with a socket and require a wrench. 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. Locate the Safety Compliance Certification Label on the driver's side front or rear door panel. These shafts had a longer brake spacing offset and a unique brake drum register diameter of 2.870 inches, which was uncommon for the time. This is an example of the brakes that fi t the small wheel end bearing for a 10 x 2-inch-wide drum brake on the left and a 10 x 1-inch on the right. It has been said that it has a higher Most of This not easily accomplished with integral carrier axles, like the GM 10- and 12-bolt. . Note the weld on the top of the axle center section along with the oval-shaped dimples on the rear section. 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. inches The GoJak wheel dolly makes moving immobile vehicles around your shop easy as place, pump, and push! When you purchase through links on our site, we may earn an affiliate commission, which supports our community. This bearing is one of the reasons that the 9-inch has the reputation for being bulletproof. It was not the only axle used, but was by far one of 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. It Some have only one access hole for the backing plate bolts, while others have three. Theres an easy way to tell an 8-inch apart from a 9-inch. 4. You Housing end bolt patterns can be confirmed on the bottom of the axle order form. Some differential experts tell you that the Blue Oval engineers copied the 12-bolt design when they came up with the 8.8-inch axle. for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch It was then replaced by the Ford 8.8 inch rear axle. 70's. 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. Here is an example of a weld repair on a factory original housing. 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. It is the one most commonly Select the Towing Guide for your vehicle's model year. widths I keep in mind for Mustangs are the following: 52" There is a machined roller bearing race on the pinion head portion that points at the differential opposite thetapered bearing races. Calculators. Differential Gear Ratio Calculator. Comet that has had a HIPO SMALL block with 31-splines and a locker. same width, but the distance between spring perches is different between Install Kits and Gears Sets Listed By Rear End. - Rod Stroke Ratio - Stroke Size Rear Gear Requirements - Rear End Gear Ratio Needed - Speed from RPM, Rear & Trans. You bring the gumption. Hot rodders and drag racers use 9 Ford rear-ends and their aftermarket descendants in just about everything not just Ford cars and trucks. In this chapter I share a summary of decades of work on these axles. Read more: CV Axle Boot: Overview, Signs, And Replacement. The axle identification tag is located at about the 3 oclock position under the third-member mounting nut when you are looking straight at the front of the axle. Call us at (864) 843-9275. 1972 and earlier, 31 spline axles have the ability to be shortened. The image below shows the Safety Label of a Ford Truck. also received the larger axle bearings housings. 31-spline carriers and axle shafts. * Pro Gears are specifically designed for drag race only. popular early swap being the 1957-1959 Ford for the 1965/1966 Mustang. For reference, this section from the Ford MPC is posted . 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. The axle code in our example, H9, has a specific meaning. This particular pinion cartridge is well reinforced and much stronger than the stock production cartridge. Fords small block and big block engine families have their share of flexplate differences. Width: all measurements are flange to flange. Any Ford 9" carrier will fit, as long as it has a fill plug on the side. The original applications are as follows: 1. This is 2.25 inches for the Ford 9-inch and 1.5 inches for the 8.8-inch axle. and Fairlane axle housings are often grouped together because they are the The 8-inch also was only available with 28-tooth axle shafts. some 302 4V cars with optional gear ratios). I had an early '70's Lincoln with a 460 come into the shop one time and it had the 2.33:1 ratio in a 9 inch. 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. Of the four versions of the N case, three have an actual N cast into it right above the pinion cartridge. Four of the 11 inch-diameter versions are pictured: 1 inches (top left), 2 inches (top right), 2 inches (bottom left), and 3 inches (bottom right). Anyone know? This is not a nodular unit. housings. The Ford 8.8-inch axle has the same ring gear mounting distance (see Chapter 7) for all ratios, just like the 9-inch. All the Galaxies I have seen from throughout the 1960s Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. None of which changes the strength of the axle shaft. the axle from around the 1957 model year right up until the early 1980s housings appeared in either 1966 or 1967 with the familiar "Hump" 1-wire alternators are perfect for engine swaps or just keeping things simple for your project. From the arrow, you can see the axle code is H9. if one wants to use a 31-spline truck carrier in a car. How can one verify "Posi" without taking the differential apart? 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. Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. 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. It is as easy to cut down as any other 8 or 9 inch Ford axel. While the 8.8 is similar to the 12-bolt, it isnt identical. The Ford 9-inch can be found under 1974-1986 F-150s and 1978-1986 Broncos. Refer to the Axle Ratio table to determine your rear axle ratio and Limited Slip. 56" shafts. shafts. 2.75 open differential. Ford 9.5 PRO GEAR* *PRO GEAR RATIO PART NO. the few cars and early Broncos (and some early trucks) which received Note: Rear axle ratios are available for 2008 and newer models. This pinion has the tapered bearings and collapsible spacer in place. (often referred to as a "POSI") came to be a popular option and 61.25 inches, 1967-1971 Comets, Cougars, Fairlanes 59.25 inches, 1967-1973 medium and big block Mustangs and Cougars, 1966-1971 Fairlanes, Torinos, Montegos, Comets, and other 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. Thanks. and Fairlane axle housings are often grouped together because they are the 3. 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 Spring perches must be cut and re-welded in order 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. 9-inch complete rear axle is approximately 35 pounds heavier than an 8.8 rear axle with approximately the same components. Code Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: WGA-A: Lincoln Mark Series '69-'71 Thunderbird '69-70: 2.80: 9 3/8: NL: 31-WGA-B: Lincoln Mark Series '69-'71 larger wheel bearing housings. Calculating the torque multiplication that your axle gears provide is quite easy. The N cases had two vertical ribs, three horizontal ribs, and a machined-in fill plug. I have also spent many hours in scrap yards and visiting and interviewing the experts in this field along with years of building numerous axles myself. Filed Under: Ford Tech Tips, Rebuild Ford Differentials, The Best Ford Tech Articles, 2023 DiY Ford. Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. The LS swap is no doubt still going strong, but if youre planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, youll need to pay attention to a few items we discuss in this buyers guide. Rusty but Rare 1976 Chevy K10 Sport Truck Revival! If the case has two verticle RIBS ,from top to The 9-inch ring and pinion is front-loaded into the rear end housing. There is a ton of aftermarket support for this axle (see Chapters 3 and 4 for more details). station wagons-cars with 351 and up engines received 9-inch units - as did 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. In 1963, Ford includedmore information. common carrier housing found is the C7AW-E. 6. Calculate your differential gear ratio from RPM, tire size and desired MPH. WJ Handy Dad assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. 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. Both axles share a common design and are often referred to as banjo style or third-member style. The Ford version uses larger axle shafts and different lube flow strategy. 28 spline axles are tapered and cannot be shortened and re-splined. The additional straddle mount pocket bearing provides additional support to the pinion head during high-torque events. Ratio & type. in the backside middle and stronger tubes. The This is when making a few phone calls to reputable axle builders can be helpful. The Ford Axle code will also help you identify your particular models engine capacity and the year/vehicle make. Tip: To search theTowing Guide, press CTRL + Fto open a search box in your browser. Differentials take the power from the rear axle and transfer it to the rear wheels by way of special gears. Paint gmc dupont charts reference chart 1956 1959. carriers both, as well as with the spline count on the axle shafts. wheel drives) right up until about 1982, these housings are by far the On this particular third member, the original copper washers that were under the factory fasteners have been discarded as well. You The Final Drive Ratio shows you how many times the engine turns for one complete turn of the tires. Any sufficiently advanced technology is indistinguishable from magic . But to be correct, it is a 3/4 fl oat. It's important to know the friction quality and pad size before selecting a new set of disc brake pads. station wagons-cars with 351 and up engines received 9-inch units - as did There are three versions with external Ns cast in; note the more curved style on the top right. The bottom line begins with the ratio being the first set of numbers. Ford used is the strongest factory case made BY FORD!!! Interestingly, the Ford axle uses the exact same size of tapered roller bearings as the GM 12-bolt. Ford used Its called a 9 inch because the ring gear measures 9 inches. bearings, 28 and 31 splines, 57-68 passenger car and 1/2 ton truck - medium duty, stronger than Mustang 1967-1973 Mustang axles identified by wheel flange: two large holes and counter sunk center - 31 splines.