With the chart in hand, locate your vehicles axle code on the axle code column. It's . nickel content and better casting than the earlier single ribbed cases it The N cases had two vertical ribs, three horizontal ribs, and a machined-in fill plug. The WFE-V2 helps us fi nd the decade of the 1970s. it was very complete. 54" Here is a down-and-dirty way of picking the best gearing for a particular car from three choices: 3.07:1 final drive with a wide-ratio transmission, a 3.07:1 final drive with a close-ratio transmission, and a 3.36:1 final drive with a close-ratio transmission. Finding the location of this certification plate is easy. Ford 8 Ford 9: CLICK FOR MORE INFO. 289 Hipo cars.The N cases went with 31 spline centers and are for rugged Any of the W-series cases do have a fill plug machined in them. Fords small block and big block engine families have their share of flexplate differences. This is a sampling of some of them. Ford personnel and/or dealership personnel cannot modify or remove reviews. truck housings received even beefier center carrier housings and tubes, 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. I have a '50 Club Coupe and have experienced this first hand. 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. can tell this is a 9-inch from the removable carrier on the front. 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. This includes the Center Case, the Pinion gear, the ring gear, and the differential or spool. In 1963, Ford includedmore information. This is when making a few phone calls to reputable axle builders can be helpful. It was in production on many Ford cars and trucks, first appearing in 1957 and finally replaced by the Salisbury-style 8.8-inch axle in 1986, saving about 50 pounds and boasting increased efficiency. The close-ratio and C4 289HP trans were mated to the 3.50, and occasionally to the 3.89 and 4.11. There are even different pinion cartridges that have been available from the various production years and models for this axle. You can find the axle code on the Safety Standard Certification label information. for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch Later medianet_versionId = "3111299"; The Leaf Spring: The Similarities And Differences. And you can find the axle code charts on the internet from your manufacturer. A copy of the Ford Axle Code Chart is linked below in this article. can easily tell this is a 9-inch from the hump in the rear and (2) There are quite a few companies making Ford 9-inch housings to fi t just about any muscle car out there, including non- Ford vehicles. wheel drives) right up until about 1982, these housings are by far the If there is an "L" in between, you should have a locking or limited slip differential. The bottom line begins with the ratio being the first set of numbers. So, after crawling under just over 50 Cars, trucks etc at the local Upull, I found that a 1995 2wd 2.3 Ranger has the correct length driveshaft at 47.5".chevy truck driveshaft length chart. 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. 65-66 Mustang = 57.25 inches. 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. 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. 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 same applies to vehicles with codes containing numbers alone. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not realistic. There are 4 different sets of rear axles that would have come stock in 66-77 Broncos. There are three versions with external Ns cast in; note the more curved style on the top right. for 1967-1970 (same as 1966-1969 Fairlane, Torino, Comet & Cyclone non 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. same width, but the distance between spring perches is different between Besides the styling of the Ford Edsel, even the axle shafts were very unusual. There are 8.5-inch gears installed in these housings for lowerpower vehicle applications. replaced, and that is why it remained in use for so long. Gross Vehicle Weight ( GVW ) would station wagons-cars with 351 and up engines received 9-inch units - as did Generally most cars received the small axle bearings and 28-spline axle 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. Exceptions to this were the ultra Hi performance Boss 302s, 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. These first became available on the 1964 Galaxies with the 427-ci engine and were found on many higher horsepower cars and trucks. of course most desirable is the N case, first used on the 427 Galaxies much more difficult to locate. 52" The axle tag typically has two lines of numbers and letters stamped on it. 56" An assortment of Ford 9-inch axle stampings is welded together to create the housing. 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. But it will also use more fuel in all situations because the engine's rpm will be higher. Some of the heavier cars like the Galaxies also received the for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes Performance Front & Rearends GM Vehicles You are correct sir, these are the standard ratios for 65-66. The date code is stamped on the tag. 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. the best. How do I find the Axle Ratio and Limited Slip? - Rod Stroke Ratio - Stroke Size Rear Gear Requirements - Rear End Gear Ratio Needed - Speed from RPM, Rear & Trans. shafts. For reference, this section from the Ford MPC is posted . 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. Typically with just this information, you can cross reference what you need to know about the axle. Restoration matching issues will be avoided since the right optioned components will be used to make the restoration. 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. How To Recognize 9-Inch Housing 74-75 medium duty large bearing, and. Note the two lower bolts at 6 and 7 oclock have straight access with a socket. Many people prefer to just call it the Ford 9-inch-style wheel end. 1967-1973 Mustang, Torino, Ranchero, Fairlane 9-inch Ford Rear Axle Assembly Identification - Page 09: NOTE: Axle tag location and appearance may vary by application. While we do offer cut-to-fit axles, you still need to ensure you have the proper measurements to be within the cut-to-fit area of the axle's splines. Read more: Torsion Axle Vs. In order to allow for the additional straddle mounted bearing and casting support structure, the hypoid offset needs to be large enough to clear the differential case. With their high-volume production, the two biggest quality problems were leaks from poor welds and poor alignment of the housings. The tags were replaced with adhesive labels that are placed around the axle tube near the brake and wheel end. (often referred to as a "POSI") came to be a popular option and Start by opening the left drivers front door. We have a large selection of gear sets in stock and can recommend the correct . 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.. 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. The Ford 9-inch is the most desirable drag racing rear end because it has a removable carrier, which allows quick rear end changes. Enter the required Overall Width, Pinion Offset (location), Brake Space and Drum/Rotor thickness to find axle length and housing width. There are a few exceptions that you will see in the Ford Axle code chart. Dont be surprised if the tag you have does not exactly match this. If the socket fits (as shown in our photo below) it is a Ford 8-inch housing. Visit the RV & Trailer Towing Guides page on the Ford fleet website. One of the primary reasons why the 9" Ford rear end has come to dominate drag racing is the ease with which thirdmembers with various ring & pinion gear ratios can be installed. So dont be surprised that most of these axles leak from the welds. Ratings and reviews are provided by customers who have either purchased a vehicle or visited a dealership for service. Some of the 9-inch truck differentials will have an exaggerated hump on the rear cover to . Of the four versions of the N case, three have an actual N cast into it right above the pinion cartridge. Along with the many different brake and wheel end varieties, many different styles of axle shaft ends were manufactured. Therefore, these axle assemblies require better quality oil and good underbody airflow to keep the unit cool. Axle Ratio : Axle Ratio : Diesel: 5.13: 4.10: 3.55: Gas: 4.10: 3.55 : Trans Ratio: . The Ford 8.8-inch is very similar to the General Motors (GM) 878-inch, 12-bolt axle. Now that you have identified the axle code, let us know the axle ratio. 4.09 Front, 4.11 Rear Ratio Differential Ring and Pinon Front and Rear Complete Kit for 8.5 Front (Inch), 9 Rear (Inch) (10 Front, Dropout Rear) . When it comes down to actual shafts as well, since the truck lug Click on the 'Submit' button to find out how you Hot rodders and drag racers use 9 Ford rear-ends and their aftermarket descendants in just about everything not just Ford cars and trucks. small bearing housing can be differentiated from a large bearing housing with 3/8" fine thread, while the larger bearing use 11/16" weakest and had abrupt ending but welded carrier centers to tubes and a A simple formula to calculate Gear Ratio or Axle Ratios. These were used sporadically until about 1969. housings also evolved over the years: to the housing, the small bearing housings use 9/16" socket size nuts some 302 4V cars with optional gear ratios). 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. The Fora platform includes forum software by XenForo. The WAR, WAA, and WAB cases have the same ribbing as the N case, but are missing the ever important N feature. The There are even different drum brake registers. This is because the supply is limited to - as in the Mustang line, most however never received a factory 9-inch). 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. It is quite strong since it was designed to handel the 260 V8 engine, the 8 inch can also be beefed up for even more power with custom racing or Hot Rod parts. Generally, aftermarket shafts have to be purchased These axles even have a unique bolt pattern of five on 5 inches. It has a square design with four rounded corners and ten bolts. 13 lovely chevy 10 bolt rear end gear ratio chart. From the arrow, you can see the axle code is H9. However, the critical aspects of the rear axle are the axle flanges and axle lengths. This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. The Ford 9 inch rear end is one of the most popular axles in automotive history. GM A-Body Complete 9" Rear End Packages. Our experts will help you find the correct ring and pinion set for your particular application. The heat treated aluminum alloy well suited to absorb high impact shock loads. "Pro" gears are designed specifically for drag racing. Ratio & type. The case 1967-1973 Mustang axles identified by wheel flange: two large holes and counter sunk center - 31 splines. If your vehicle has a Limited Slip Differential, it will be noted as Limited Slip. 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. Ford 9 inch Gears. Here is an example of such a unit. Ford 9-inch can be found under 1974-1986 F-150s and 1978-1986 Broncos. Both standard and W-series cases are made out of gray cast iron. A Torsion Axle Vs. Find the word AXLE under the bar code. The N cases typically came with the larger Daytona-style pinion support bearing, and 31-spline axle shafts. Tip: To search the Towing Guide, press CTRL + F to open a search box in your . in the backside middle and stronger tubes. The Ford 8.8 is an automotive axle manufactured by Ford Motor Company at the Sterling Axle Plant in Sterling Heights, MI.It was first used in model year 1983 Ford trucks. 800-646-6718. The Snap On vs Daytona, Pittsburgh, ESCO, Husky, More.