This was an 8.75- inch ring gear in a 9-inch housing. 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 housings also evolved over the years: The The 28-tooth axle shafts are typically tapered and cannot be shortened. 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. 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. It was also used in the 1983-1996 full-size Bronco, and E150 Econoline . When you look on the inside, you see WAB- 4025A. for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes socket size and 7/16" fine thread. If there is an "L" in between, you should have a locking or limited slip differential. First, you need to understand some fundamentals of the Ford axles to help guide your quest. 66-75 small bearing, 2. Ford 9 inch Gears. as the Mustang. Buyers Guide. Here is a quick visual summary: The 1957 housings do not have dimples on them and have an oil drain plug. Finally, using bearing retainers that secure the axle at the flange, versus a C-clip style that secure the axles at the differential, means in the case of axle failure the axle flange and wheel will stay with the housing and not leave the vehicle, potentially causing brake failure and lack of control on the racing surface. The in the backside middle and stronger tubes. There was a desire to have the stronger, larger tubes near the center of the axle but still retain the narrower tube ends for the wheel ends and the unique Shelby suspension brackets. Axle Size/Strength Chart; Explained Videos; Tech Articles; 9-Inch Ford. Find the word AXLE under the bar code. Leaf Spring: The Similarities And Differences. Install Kits and Gears Sets Listed By Rear End. It has a square design with four rounded corners and ten bolts. axleshafts. The center section is the differential assembly. GM A-Body Complete 9" Rear End Packages. station wagons-cars with 351 and up engines received 9-inch units - as did 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. The smaller 8-inch third member is on the right. Any of the W-series cases do have a fill plug machined in them. People tend to be drawn to it like a magnet. The original applications are as follows: 1. 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. 66-75 large bearing, 3. 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. 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. These used what is referred to as a This is because the supply is limited to This is a relatively common issue on these housings. Both standard and W-series cases are made out of gray cast iron. much more difficult to locate. "N Case" was no longer needed for passenger car/truck When narrowing a Ford 9 inch rear end, the first step is determining the overall length you need. 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. Note the two lower bolts at 6 and 7 oclock have straight access with a socket. The WFE-V2 helps us fi nd the decade of the 1970s. 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. T & C FORD TOP LOADER 4 SPEED WIDE RATIO 2ND GEAR 31 TOOTH showing . Ratio & type. This is an easy way to identify the third members, so youre sure to buy the correct axle. can easily tell this is a 9-inch from the hump in the rear and (2) Axles were similar to the Ford 9-inch 28-spline units. Housing end bolt patterns can be confirmed on the bottom of the axle order form. It has more ground clearance than a Dana 60. It is still used in NASCAR racing as well. (often referred to as a "POSI") came to be a popular option and carriers both, as well as with the spline count on the axle shafts. This is a major advantage compared to other rear axle systems because disassembly is faster and more convenient. The desirable N-style, nodular-iron gear cases are available in four different versions. 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. It is a column with the label AXLE on top and the Axle Code at the bottom. This is a great upgrade component to use for high-power applications or if you are replacing your cartridge. There is a ton of aftermarket support for this axle (see Chapters 3 and 4 for more details). in cars and trucks. You will also learn how to identify the codes in Ford vehicles. allow larger ring gear to fit. You 1973 and later cars have a 55 bolt pattern, and the axles cannot be shortened. Generally, aftermarket shafts have to be purchased * Pro Gears are specifically designed for drag race only. GM Tri 5 55-57 Chevy Complete 9" Rear End Package. 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. This video is a good example of what goes into the process . 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. N-case. While the larger offset makes the ring and pinion gears stronger, the additional sliding of the gear teeth creates more heat in the axle. If measuring the drum-to-drum distance, add .200-inch to these values. the few cars and early Broncos (and some early trucks) which received and Fairlane axle housings are often grouped together because they are the These labels have a specific code that is similar to the axle code on the 9-inch axles. . The larger offset is better for strength and noise but worse for sliding and efficiency. Mustangs and Fairlanes. widths I keep in mind for Mustangs are the following: 52" of course most desirable is the N case, first used on the 427 Galaxies A 2-inch version is not shown. Gross Vehicle Weight ( GVW ) would (See Chapter 8 for how to install a 9-inch in a classic 1957 Chevy Bel Air as a performance upgrade.). The other identification information, 9, as observed from the chart, indicates a 3.55 gear ratio of the Ford F-150. 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. the Broncos from 1966 to 1977, they stayed with the 28-spline units. The Ford Axle code will also help you identify your particular models engine capacity and the year/vehicle make. housings. Power is transmitted from the transmission to rear end 1:1 in high gear. This axle tag belongs to a 1977 F-150. 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. Roadkill Customs has evolved from local hot rod shop to online how-to magazine for budget-minded do-it-yourself hot rod builders and enthusiasts. Generally most cars received the small axle bearings and 28-spline axle 67-70 Mustang = 59.25 inches. Ford Rear Axle Assembly Identification - Page 01 . nickel content and better casting than the earlier single ribbed cases it The Ford Explorer uses an independentstyle Carrier made out of cast aluminum. 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. 7.5 inch, 8.5 inch, 10.5 inch. Restoration matching issues will be avoided since the right optioned components will be used to make the restoration. if one wants to use a 31-spline truck carrier in a car. This is an example of the only Ford 9-inch version that utilized one-piece tubes. It's important to know the friction quality and pad size before selecting a new set of disc brake pads. 1957 no dimples, flat center band up the center of the rear cover, bottom drain plug. Its called a 9 inch because the ring gear measures 9 inches. if not I have other 9" info archived I can post. Anyone know? You can then enter any term, such as Axle Ratio,to search the guide. 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. applications due to the demise of most performance engine options in the 52" A Lincoln Versaille rear is a 9" with 28 spline axles, big axle bearings, and disc brakes. 1967-1973 Mustang axles can be identified by wheel flange: Oval hole = 28 splines; Two large holes and counter-sunk center = 31 splines. 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 . Ray. General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. These have a C4AW-4025-B casting part number next to the adjuster nut. 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. 4. These axles even have a unique bolt pattern of five on 5 inches. It was not the only axle used, but was by far one of Check it out. housings appeared in either 1966 or 1967 with the familiar "Hump" 8.75, 9.25, Ford 9 inch, and GM's 8.25 inch . 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. That is your vehicles axle code. The material and heat treating provide excellent wear service life, but doesn't handle shock loads as well as Pro 9 in gears. narrowed rear ends due to the added strength in the middle.
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