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. 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. 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. Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. Ford cars and trucks from 1968 on have an axle code on the Certification Plate, information on this plate can be used to determine if you vehicle is factory equipped with a limited slip positraction rear end - differential. The Lincoln LS and Jaguar S-type were equipped with an 8-inch, castaluminum, independent- style carrier. 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. 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. Ranger in the backside middle and stronger tubes. If you don't know your gear ratio, you can calculate it by taking the number of rear . It's important to know the friction quality and pad size before selecting a new set of disc brake pads. Any sufficiently advanced technology is indistinguishable from magic . Some of the heavier cars like the Galaxies also received the Variations The Keep in The 1960s to 1967s still retain the dimples but also have an oil level plug in the back cover. The 8.8" rear end is flat on the top and the bottom as well as the left and right. We're The ranger truck works good with a 9-inch from a at car swap meets and shows are the units pulled from trucks with the Richmond Tech Support. 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. 8.75, 9.25, Ford 9 inch, and GM's 8.25 inch . * Coupon does not apply to Oval Size Matters T-Shirt. There are even different pinion cartridges that have been available from the various production years and models for this axle. Most have the two driving holes for the manufacturing process while one has a more square looking drive end. Unless you are building a Pinto or straight six-cylinder vehicle, you want to avoid it. carriers both, as well as with the spline count on the axle shafts. Let's see, I have had 2.79. Axle code. Careful aftermarket shops and their stringent attention to repairing these housings are able to correct many of these issues. Dont be surprised if the tag you have does not exactly match this. Ford Also Equipped The 1980-Current E-350 Dual Rear Wheel And Some E-450 Super Duty Vans With Dana 70 or Dana 70HD Rear Axles. Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. From the arrow, you can see the axle code is H9. socket size and 7/16" fine thread. pattern (same as older Jeep), a 65-inch width at the wheel mounting surfaces, Also note there isn't a cover on the rear like most axles. WJ Handy Dad recommends safe practices when working on vehicles/homes and or with tools seen or implied in this video. 67-71 Comet, Cougar, Mustang, Fairlane = 59.25 inches. The format has changed over the years but mostly follow this sequence:. You A 2-inch version is not shown. The Ford 8.8-inch axle has a cast center section and the internal components are installed from the rear. Ford rear ends, or differentials, were manufactured by either the Dana Corporation or Ford. diameter bolt circle, 1967-1973 Torinos, Rancheros, Fairlanes 59.25 inches or Front Axle Codes While the parts catalog says "The third digit of the axle code identifies the ratio and/or capacity of the front axle", that is not true.As seen below, there are only 4 codes (2 - 5) and they do not define the axle ratio nor capacity.In fact, to find the front axle ratio you need the codes off the axle itself, as shown here: Pairing your vehicle with the wrong axle components will not only damage your vehicle but cost you a lot down the line. 6. * Pro Gears are specifically designed for drag race only. Measuring for your 9-inch axles requires a few basic measurements to be taken. Note: Rear axle ratios are available for 2008 and newer models. 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. 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. with 3/8" fine thread, while the larger bearing use 11/16" Note the ring diameter cast into the housing above the pinion. Gear Ratios - RPM from Speed, Rear & Trans. carriers, while sometime in the early 70's the switch was made to mostly 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. With the chart in hand, locate your vehicles axle code on the axle code column. But to be correct, it is a 3/4 fl oat. This sensor is for the anti-lock brake system. 1. Ford 9 inch axles different from other high-performance rear endsare how the ring and pinion gear is accessed. The Ford chart below contains a general decoder system for Ford pickup from the 1980s till the 1990s. Tip: To search the Towing Guide, press CTRL + F to open a search box in your . There is a ton of aftermarket support for this axle (see Chapters 3 and 4 for more details). Hypoid offset is the distance between the centerline of the pinion and the centerline of the ring gear. It is as easy to cut down as any other 8 or 9 inch Ford axel. This is when making a few phone calls to reputable axle builders can be helpful. Since the "Limited slip" or Locking rear end differences, 28-spline car axle shafts are much more abundant than the popular early swap being the 1957-1959 Ford for the 1965/1966 Mustang. "N The Ford intermediates with big blocks. Generally, aftermarket shafts have to be purchased The cast-iron third member is installed from the front of the housing. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. larger wheel bearing housings. Get any 3 for $25 plus shipping. Walk any automotive event and theres a darn good chance that any hot rod or muscle car you peek under is going to be sitting on a Ford 9-inch housing. This larger offset (hypoid distance) between ring-gear and pinion-gear centerlines is the key reason the Ford is inherently strongerbut also why its slightly less efficient. Ford Rear Axle Assembly Identification - Page 01 . N-case. A metal axle tag is typically located on the driver-side front of the third member. Ranger Station, Submit Call us at (864) 843-9275. 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. (CROSS SECTION WIDTH x 0.ASPECT RATIO x 2 25.4) + WHEEL DIAMETER = OVERALL TIRE DIAMETER. 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. Many racers carry an extra carrier assembly for their 9 inch third member with a different rear end ratio so they can try different combinations on the same day while at the track. These used what is referred to as a With so many better performing aftermarket options today, there is no reason to use these marginal brakes. Start by opening the left drivers front door. 31-spline carriers and "Traction Loc" style posi unit. The same applies to vehicles with codes containing numbers alone. That is your vehicles axle code. One exception to this was The exception is the 2002-2003 Ford Explorer Sport which still used the solid rear 8.8-Inch axle. trucks varied more, early half ton trucks got the 28-spline axles and In this chapter I share a summary of decades of work on these axles. We'll also walk you through choosing the correct parts in order to make this installation a breeze! housings also evolved over the years: This pinion shows excessive wear on the trunnion surface and should not be re-used. 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. tubes with flat tops, 1969-1977 Galaxies (coils), Lincolns (coils), and late pickups (leaf)- 3.25 inch diameter all the way to the backing plate, coil housings have upper Of the four versions of the N case, three have an actual N cast into it right above the pinion cartridge. 31-spline carriers and "Traction Loc" style posi unit. There is a very fundamental difference between Fords 8.8- and 9-inch axles. and 429CJ cars.From what I have seen don't expect to find them in 390 or for the swap to be performed. $(document).ready( function () {$('#dtTable').DataTable( {paginate: false} );} ); 1954 Ford F100 / 2000 Lincoln Towncar Chassis Swap for Under $1,000, Tire Width Minimum, Maximum, and Ideal Size Chart by Wheel Width, An Online Magazine for DIY Hot Rod Builders. Ray. Your email address will not be published. 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. The first two digits of the axle code identify the ratio and capacity of the rear axle. 54" replaced, and that is why it remained in use for so long. All the Galaxies I have seen from throughout the 1960s The original carrier is normally equipped with a CV joint flange, which can be replaced with a U . Remember to locate the Safety Standard Certification label on the left side door post as you open the door. This is not a nodular unit. Find your transmission and rear gear multiplier below. See all 20 photos. C-6, three-speed, automatic. middle of case it is a good IRON type IF in the very center of this case Proceed to match the code with its corresponding Axle Ratio column on the table to find the ratio. Click on the 'Submit' button to find out how you Anyone know? The engines flexplate is a critical part to transferring power to your drivetrain. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not realistic. many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4 The axle was developed to replace the Ford 9-inch axle.This axle is still in production today for a variety of Ford vehicles. housings appeared in either 1966 or 1967 with the familiar "Hump" The other identification information, 9, as observed from the chart, indicates a 3.55 gear ratio of the Ford F-150. 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! 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. As part of my research, I went to renowned Currie Enterprises and gathered one of just about every different 9-inch axle variant. The aftermarket Daytona-style pinion cartridge accommodates the larger and stronger pinion head bearing. The Ford 9 inch housing is a semi-floating, drop-out axle. 70's. Well help you determine the correct flexplate for your Chevy engine in this buyers guide. Hot rodders and drag racers use 9 Ford rear-ends and their aftermarket descendants in just about everything not just Ford cars and trucks. more plentiful starting in the early 1970's, many of the units found today The Ford 9-inch can be found under 1974-1986 F-150s and 1978-1986 Broncos. If the socket fits (as shown in our photo below) it is a Ford 8-inch housing. . The 10,41 gear ratio is also great for off-road activities . Using this data, hopefully you can decide whether you want a 2.73, 3.08, 3.27, 3.55, 3.73, 4.10, or some other gear in your car. Ford 9 inch Gears. If measuring the drum-to-drum distance, add .200-inch to these values. version of the case came into use in 1967 or in subsequent years, but it The 9-inch housing's center section will not allow the socket to clear, and . Using the Ford Axle code chart, you will get to negate all these issues with ease. widths I keep in mind for Mustangs are the following: at car swap meets and shows are the units pulled from trucks with the Read this first! 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. Standard Ford 9 inch gear sets are primarily used in street applications. Differentials, Axles/Drivelines, Book, Using GoJak Wheel Dollies to Easily Move Your Vehicle, Brake Pad Identification and Friction Surface Options Explained, Adapting Tremec's Popular T5 5-speed Manual to Ford's Flathead V8 Engine, Ford And Chevy Spindle Options For Solid Axle Hot Rods, Small Block and Big Block Chevy Engine Flexplate Guide. Because 31-spline car shafts. This is because the supply is limited to 1964-1971 Falcon, Comet, some 1965-1969 Mustangs or 1964-1967 Ranchero V8 cars. Any Ford 9" carrier will fit, as long as it has a fill plug on the side. 77-81 Lincoln Versailles. most abundant. This not easily accomplished with integral carrier axles, like the GM 10- and 12-bolt. 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. CASE" 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. Rearend/Axle Length Calculator. Axles Tubes Are 4-Inches. The desirable N-style, nodular-iron gear cases are available in four different versions. Gears / Diffs / Install Kits Listed By Vehicle, Standard Gears & Pro Gears Dana / Ford / GM / Mopar, Strange T-Shirts. Learn more. 28 spline axles are tapered and cannot be shortened and re-splined. Calculate your differential gear ratio from RPM, tire size and desired MPH. determine which axle housing many cars and trucks received. Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. Rhodes Race Cars Unwelded Fabricated Rear End Housing Ford 9 in. You will also learn how to identify the codes in Ford vehicles. large-bearing semi-floating axles, and many can be found with hefty 31-spline 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 Ratio & type. The "rough" Using the correct part is imperative to engine longevity and proper drivetrain assembly. Tip: To search theTowing Guide, press CTRL + Fto open a search box in your browser. You can then enter any term, such as Axle Ratio,to search the guide. Most of the later trucks The axle code in our example, H9, has a specific meaning. (It was later used for pick-ups and Broncos.) Refer to the Axle Ratio table to determine your rear axle ratio and Limited Slip. and this style of center carrier housing is best suited for drag cars or The close-ratio and C4 289HP trans were mated to the 3.50, and occasionally to the 3.89 and 4.11. The Ford Mustang and Thunderbird used this style for a few model years. The WAR, WAA, and WAB cases have the same ribbing as the N case, but are missing the ever important N feature. The Ford 8.8-inch axle has the same ring gear mounting distance (see Chapter 7) for all ratios, just like the 9-inch. This chart references the connection between the month codes and the actual month. Save my name, email, and website in this browser for the next time I comment. The Ford Axle code chart is a handy tool for positraction replacements. Fords small block and big block engine families have their share of flexplate differences. When narrowing a Ford 9 inch rear end, the first step is determining the overall length you need.