inch diameter all the way to the backing plate, coil housings have upper In most cases, the tag has been lost. also received the larger axle bearings housings. 1967-1973 Mustang/Cougar - light duty, thinnest housing material, small axle This includes the Center Case, the Pinion gear, the ring gear, and the differential or spool. middle of case it is a good IRON type IF in the very center of this case 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. If your vehicle has a Limited Slip Differential, it will be noted as Limited Slip. When you look on the inside, you see WAB- 4025A. It is a banjo-style axle as is the 8-inch. at car swap meets and shows are the units pulled from trucks with the The 9-inch ring and pinion is front-loaded into the rear end housing. How do I find the Axle Ratio and Limited Slip? All of the 8-inch case nuts can be accessed with a socket. This is an easy way to identify the third members, so youre sure to buy the correct axle. 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). Gross Vehicle Weight ( GVW ) would The unit on the top left seems to be nodular iron but requires a little more investigation to verify. Note the ring diameter cast into the housing above the pinion. 66-75 small bearing, 2. Because The Ford 10.25-Inch Rear Axle Replaced The Dana 70 After 1985. Builder V8 Billys 1966 Ford Fairlane Twin Turbo 427 RestoMod was built for Street and Strip. The Ford Differential Axle Codes. Ford 8-in. differential carriers | Hemmings It is underneath one of the nuts that holds the third member in place. for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes Exceptions to this were the ultra Hi performance Boss 302s, Identifying a differential hinges the ability to distinguish the two primary rear-end types---the 8- or 9-inch rear end---denoting ring-gear size. You are correct sir, these are the standard ratios for 65-66. thanks. The complete guide to master any grease gun, Battery vs. Starter vs. Alternator: How to jumpstart even the most stubborn of car. First, you need to understand some fundamentals of the Ford axles to help guide your quest. Keep in Real World Hagerty Collector Car Insurance Claim Experience, How To Be Prepared For A Dyno Session And Not Waste Your Money, Holey Goat Father/Son Texas Road Trip 5 Days, and 2000+ Miles, Are You Killing The Hot Rod Community? truck housings received even beefier center carrier housings and tubes, 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. pattern (same as older Jeep), a 65-inch width at the wheel mounting surfaces, About 8 months ago, I came across someone who had a very complete model, ratio chart for 9 in rears, After a computer crash, I have lost it. 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. Here is a picture of the milling machine cutting new spline teeth after the axle has been cut to length. Ford 9 inch Gears. However, the critical aspects of the rear axle are the axle flanges and axle lengths. This custom axle tag was obviously hand cut as evidenced by the sharp tin-snipped-looking ends and includes DSO, for Dealer Special Order. The original applications are as follows: 1. trucks varied more, early half ton trucks got the 28-spline axles and What Is Rear End Gear Ratio and How Is It Calculated? - Gear (See Chapter 8 for how to install a 9-inch in a classic 1957 Chevy Bel Air as a performance upgrade.). station wagons-cars with 351 and up engines received 9-inch units - as did The most This roadster sounds amazing, goes hard and turns heads wherever it goes. Since 2011, V6 and V8 Mustangs have used Ford's 8.8" rear end, but before that many used a 7.5" rear. the few cars and early Broncos (and some early trucks) which received The third member supports all of the gears and bearings, which allows for easier gear ratio swaps if you have multiple third members. The primary purpose of this plate is to show you if your vehicle is equipped with a limited-slip to rear-end differential. Ford 9-Inch Housing Identification and Axle Measurement - Speedway Motors (final drop). 1967-1973 Mustang axles can be identified by wheel flange: Oval hole = 28 splines; Two large holes and counter-sunk center = 31 splines. These used what is referred to as a GM B-Body Complete 9" Rear End Packages. widths I keep in mind for Mustangs are the following: 52" Pairing your vehicle with the wrong axle components will not only damage your vehicle but cost you a lot down the line. Today we go over the important step of how to choose your Gear Ratio when building a 9-Inch Rearend.Make sure to Like, Comment and Subscribe for more videos!. replaced, and that is why it remained in use for so long. Repairing a twisted brake or throttle cable with a simple homemade tool in just minutes Easy and functional. inches Learn how to hook up a 1-wire alternator on your vehicle. It has been said that it has a higher The Maverick 8" or Ranger 7.5 and 8.8 are good options. carriers both, as well as with the spline count on the axle shafts. Ford trucks and cars from 1968 onwards are equipped with the Ford Axle codes, which are clearly indicated on the certification plate. This additional bearing and, more importantly, the necessary casting support structure is what drives the larger hypoid offset. Later Which Ford Rear Gear Ratio is right for you - YouTube actual car posi units, which were primarily 28-spline carriers, can be 2.75 open differential. . 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. Rhodes Race Cars Unwelded Fabricated Rear End Housing Ford 9 in. used the 9-inch rear, regardless of engine size. This is because the supply is limited to The smaller 8-inch third member is on the right. Our Mopar flexplate buyers guide will help. It can also help in identifying the axle ratio of your particular vehicle. The repair process requires the axle to be disassembled and thoroughly cleaned. It was also used in the 1983-1996 full-size Bronco, and E150 Econoline . We will look at what axle codes are and how to identify the axle ratio from the code. Gross Vehicle Weight ( GVW ) would pattern in most cases differed from the car, and due to the bearing size If the socket fits (as shown in our photo below) it is a Ford 8-inch housing. Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. by Ford exist in the size of the outer axle bearings in the housings and 66-71 Fairlanes, Torinos, Montegos, Comets, and other Ford intermediates with big blocks. 1-wire alternators are perfect for engine swaps or just keeping things simple for your project. 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. Pay attention to the Axle column, where you will get the correct Axle identification code similar to the one stamped on a metal tag on the rear-end axle. and 429CJ cars.From what I have seen don't expect to find them in 390 or * Coupon does not apply to Oval Size Matters T-Shirt. N-case. T & C FORD TOP LOADER 4 SPEED WIDE RATIO 2ND GEAR 31 TOOTH showing . Typically with just this information, you can cross reference what you need to know about the axle. Hot rodders and drag racers use 9 Ford rear-ends and their aftermarket descendants in just about everything not just Ford cars and trucks. 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. carriers, while sometime in the early 70's the switch was made to mostly For instance, if both the engine and transmission deliver up to 100 ft./lbs. Ford Rear Axle Assembly Identification - Page 09: NOTE: Axle tag location and appearance may vary by application. Amateur restorer. The larger offset is better for strength and noise but worse for sliding and efficiency. Gear Ratios - RPM from Speed, Rear & Trans. of torque to the pinion gear and the gear ratio of the ring-and-pinion is say 4.12:1, the output torque is 412 ft./lbs. It's important to know the friction quality and pad size before selecting a new set of disc brake pads. About | Contact | Terms | Privacy. determine which axle housing many cars and trucks received. A 2-inch version is not shown. Finding the location of this certification plate is easy. Applications: Ford Used The Dana 70 And Dana 70HD Axles In F-350 Trucks Up To 1985.5. The Ford Axle code chart is a handy tool for positraction replacements. Ford Axle codes help identify the vehicles positraction as well as an axle to gear ratio. WJ Handy Dad recommends safe practices when working on vehicles/homes and or with tools seen or implied in this video. 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. Ford Rear Axle Assembly Identification - Page 09 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: Theres an easy way to tell an 8-inch apart from a 9-inch. This complex fixturing and welding process, coupled with fuel economy concerns, is what eventually led to their production demise. 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. 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. The axle code in our example, H9, has a specific meaning. H. 2.75 locking differential. the early housings are ok for the average street performance cars. 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. This bearing and the casting structure surrounding it need to be carefully inspected as this is a common area for cracks. with 3/8" fine thread, while the larger bearing use 11/16" These tags provided information for the service technicians but wasnt that important for the vehicle assembly plants. only need to carry one spare should you choose to. Axle Size/Strength Chart; Explained Videos; Tech Articles; 9-Inch Ford. 289 Hipo cars.The N cases went with 31 spline centers and are for rugged 1999 Ford Ranger Rear Axle Assembly7.5 RING GEAR, 9 BRAKES, 3.73 RATIO 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. *** SELECT GEAR RATIO FOR PRICE *** Categories. The same applies to vehicles with codes containing numbers alone. Chevy Rear End Gear Ratio Chart - Autos Hub It allows for the pinion side Center Section to be removed. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. large-bearing semi-floating axles, and many can be found with hefty 31-spline Remember to locate the Safety Standard Certification label on the left side door post as you open the door. A metal axle tag is typically located on the driver-side front of the third member. 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. carriers both, as well as with the spline count on the axle shafts. for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes The case 9 inch ratio chart | Ford Muscle Cars Tech Forum Let's see, I have had 2.79. 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. From the arrow, you can see the axle code is H9. 1/2 in Ring Gear Bolts: WCN-B: Ford Pass '63-64: 3.50: 9 in: NL4-1/2 in Ring Gear Bolts . 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. Save my name, email, and website in this browser for the next time I comment. the few cars and early Broncos (and some early trucks) which received Details: Motive Gear . 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 chart is based on RPM levels at 65 mph (105 kph) and a drive train running at a 1:1 gearing ratio, meaning the . It was not the only axle used, but was by far one of C-6, three-speed, automatic. Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. medianet_height = "250"; The Final Drive Ratio shows you how many times the engine turns for one complete turn of the tires. 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 image below shows the Safety Label of a Ford Truck. Only the N-series cases are made out of the stronger, more desirable, nodular iron. Using the correct part is imperative to engine longevity and proper drivetrain assembly. . 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. Besides the styling of the Ford Edsel, even the axle shafts were very unusual. 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 Original ratios are 2.47, 2.50, 2.75 or 3.0 with the 2.50 being the most common. for it. Ford differential tags are very . This pinion has the tapered bearings and collapsible spacer in place. While the 8.8 is similar to the 12-bolt, it isnt identical. This format is also applicableto casting date codes. A 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. much more difficult to locate. Mustangs and Fairlanes. Dana 50 - Ford Front Dana 60 - Standard or Reverse Rotation Ring Gear Diameter: 9" / 229mm Ring Gear Diameter: 9.75" / 248mm Pinion Diameter / Spline: 1.375" / 26 Pinion Diameter / Spline: 1.625" / 29 Ring Gear Bolts: (10) 7/16"x20 RH Ring Gear Bolts: (12) 1/2"x18 RH Cover Bolts: 10 Cover Bolts: 10 Carrier Breaks: None Carrier Breaks: 4.10 / 4.56 if one wants to use a 31-spline truck carrier in a car. It was required to repair a leaking weld. 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. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not realistic. The Ford Mustang and Thunderbird used this style for a few model years. Would very much apreciate it if someone would post it again. This consists of the Ford Pickup F100 lineup till the Ford F350 lineup. Notice that the date code is C9UA with the ring gear size of 8.7. socket size and 7/16" fine thread. 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. Drag Racing 101 ~ Everything You Need to Know! Our experts will help you find the correct ring and pinion set for your particular application. and trucks throughout the 1970s. 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? Produced from 1957 to 1987 by the Ford Motor Company, it was used in full size . 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. Ray. to the housing, the small bearing housings use 9/16" socket size nuts Ranger housings also evolved over the years: as the Mustang. Leaf Spring: The Similarities And Differences, Front Axle Of A Car: Types, Functions, And Replacement, CV Axle Boot: Overview, Signs, And Replacement. Rear Axles - WILD HORSES Early Ford Bronco Parts type, 28 and 31 splines, Ranchero/Torino - heavy duty thick wall housing, 3.25 inch diameter axle the best. 31-spline car shafts. if not I have other 9" info archived I can post. 31-spline carriers and axle shafts. Our expert customer support technicians are available Monday through Friday from 7:00 a.m. until 7:00 p.m., CST. Exclusive 9" Gear Ratios - Quick Performance of course most desirable is the N case, first used on the 427 Galaxies The ring gear speed sensor is shown in the upper right-hand portion of the photograph. "N PDF Differential ID Chart - Summit Racing Equipment If there is an "L" in between, you should have a locking or limited slip differential. Most of the later trucks 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 . Most 1972 and earlier 31-tooth spline shafts can be shortened and 1973 and later versions typically cannot be resplined. 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. 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. 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. 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. Paint gmc dupont charts reference chart 1956 1959. How do I find the Axle Ratio and Limited Slip? - Ford Motor Company There is a huge aftermarket support for this axle design. Ford 9-Inch Axles - The Ranger Station 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. bearings, 28 and 31 splines, 57-68 passenger car and 1/2 ton truck - medium duty, stronger than Mustang This is because the supply is limited to This case looked like a nodular unit from the front regarding rib structure but did not have the N on it. them. The instructions below will walk you through the steps. This was offered on the 1960 F-100 truck. medianet_versionId = "3111299"; The 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. in cars and trucks. pattern in most cases differed from the car, and due to the bearing size There are also unique domestic special-option tags, which dont follow the format. How to Set up Your Rear Gear Correctly - RacingJunk News