The 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. How can one verify "Posi" without taking the differential apart? the early housings are ok for the average street performance cars. 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. For the Ford 9" rear end to be smaller and lighter than a Dana 60, the weight has to come from somewhere. Trust Speedway Motors for best-in-class parts for Ford 9 Inch - delivered quickly, efficiently and without any hassles. Applications: Ford Used The Dana 70 And Dana 70HD Axles In F-350 Trucks Up To 1985.5. Exceptions to this were the ultra Hi performance Boss 302s, The leaking weld area is then ground down and a MIG or TIG welder is used for the repair. In order to verify a nodular unit, you need to look on the inside of the casting. The date code on this axle tag is 7AC, and it corresponds to the 7th year, 1st month (January), and 3rd day. 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. It also has a 9-inch ring gear. The tags were replaced with adhesive labels that are placed around the axle tube near the brake and wheel end. Enter the required Overall Width, Pinion Offset (location), Brake Space and Drum/Rotor thickness to find axle length and housing width. The 1960s to 1967s still retain the dimples but also have an oil level plug in the back cover. . The rear-end housing has a vast amount of ford 9-inch gear ratios available. While the larger offset makes the ring and pinion gears stronger, the additional sliding of the gear teeth creates more heat in the axle. same width, but the distance between spring perches is different between much more difficult to locate. 66-75 large bearing, 3. A simple formula to calculate Gear Ratio or Axle Ratios. Here is a quick visual summary: The 1957 housings do not have dimples on them and have an oil drain plug. 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. Ford Axle codes help identify the vehicles positraction as well as an axle to gear ratio. Standard Ford 9 inch gear sets are primarily used in street applications. 1967-1973 Mustang axles identified by wheel flange: two large holes and counter sunk center - 31 splines. more plentiful starting in the early 1970's, many of the units found today Most of the later trucks 31-spline car shafts. Performance Front & Rearends GM Vehicles housings also evolved over the years: The can tell this is a 9-inch from the removable carrier on the front. 9-Inch Standard Ring And Pinion Gear Sets (3.00 to 6.50 Ratios) $240.00. The axle was developed to replace the Ford 9-inch axle.This axle is still in production today for a variety of Ford vehicles. the few cars and early Broncos (and some early trucks) which received 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. What Is Car Battery Voltage And Why Is It Important? 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) . It allows for the pinion side Center Section to be removed. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The desirable N-style, nodular-iron gear cases are available in four different versions. 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. the few cars and early Broncos (and some early trucks) which received While the 8.8 is similar to the 12-bolt, it isnt identical. This case looked like a nodular unit from the front regarding rib structure but did not have the N on it. 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. 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. 8.75, 9.25, Ford 9 inch, and GM's 8.25 inch . Since 2011, V6 and V8 Mustangs have used Ford's 8.8" rear end, but before that many used a 7.5" rear. This is a sampling of some of them. 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. It was required to repair a leaking weld. It is the one most commonly for it. in cars and trucks. Any Ford 9" carrier will fit, as long as it has a fill plug on the side. for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes 9-inch (cars) have a 5-on-5 bolt circle and the axles cannot be shortened. The first two digits of the axle code identify the ratio and capacity of the rear axle. The Ford 9 inch rear end is one of the most popular axles in automotive history. Comet that has had a HIPO SMALL block with 31-splines and a locker. Boss 429s, 427s, 428 CJ/SCJ and the 429 cars which received the The Strange Engineerings superior line of Chrome Moly Transmission yokes are manufactured from high quality forgings and fully heat treated to achieve maximum tensile strength. 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. 67-73 medium and big block Mustangs and Cougars. and trucks throughout the 1970s. Axle 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!. The best gear ratio for a GM 10 bolt is 10,41 because it is the only ratio that allows your engine to turn 10,41 times per minute. 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: Notice that the date code is C9UA with the ring gear size of 8.7. Our editors pick the products & services we write about. Some of the 9-inch truck differentials will have an exaggerated hump on the rear cover to . Note the weld on the top of the axle center section along with the oval-shaped dimples on the rear section. Many people are not aware that Ford made a smaller banjo axle and confuse the 8-inch for a 9-inch. 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. the best. Mustangs and Fairlanes. A forum community dedicated to Ford performance owners and enthusiasts. Find the two-digit code under AXLE. 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. 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. Repairing a twisted brake or throttle cable with a simple homemade tool in just minutes Easy and functional. Differentials take the power from the rear axle and transfer it to the rear wheels by way of special gears. Ratio & type. On this particular third member, the original copper washers that were under the factory fasteners have been discarded as well. 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. 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. 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. weakest and had abrupt ending but welded carrier centers to tubes and a larger wheel bearing housings. The code, 4L11, tells us that it is a 4.11:1 ratio with a limited-slip or Traction-Lok differential. Buyers Guide. Ratings and reviews are provided by customers who have either purchased a vehicle or visited a dealership for service. Width: all measurements are flange to flange. 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. for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch These labels have a specific code that is similar to the axle code on the 9-inch axles. diameter bolt circle, 1967-1973 Torinos, Rancheros, Fairlanes 59.25 inches or 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. the best. C-6, three-speed, automatic. 76-77 large bearing. How To Identify 9 Inch Ford Housings Chart via Speedway Motors. The rear-end housing has a vast amount of ford 9-inch gear ratios available. 800-646-6718. 4. Locate the Safety Compliance Certification Label on the driver's side front or rear door panel. Details: Motive Gear . thanks. 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. Info To Share? Ironically, 8.0-inch independent carriers were made in cast iron. There are also unique domestic special-option tags, which dont follow the format. housings appeared in either 1966 or 1967 with the familiar "Hump" Ray. Some axle shafts can be shortened and a new spline machined in place. and Fairlane axle housings are often grouped together because they are the Our expert customer support technicians are available Monday through Friday from 7:00 a.m. until 7:00 p.m., CST. with 3/8" fine thread, while the larger bearing use 11/16" the axle from around the 1957 model year right up until the early 1980s Note the ring diameter cast into the housing above the pinion. Ford 8 Ford 9: CLICK FOR MORE INFO. You can then enter any term, such as Axle Ratio,to search the guide. Where A=the first number (static reduction), Bi=Gear diameter, Bf=Ring Gear diameter, Cf= (Crown Wheel dia.) allow larger ring gear to fit. H. 2.75 locking differential. (See Chapter 8 for how to install a 9-inch in a classic 1957 Chevy Bel Air as a performance upgrade.). pattern in most cases differed from the car, and due to the bearing size Strange engineering offers a variety of steel retainer plates to be used with drum and some disc brake applications. You 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! So again, unlike the GM and Dana axles that require a unique differential with different ratios, the Ford 8.8-inch differential is common across all of the ring-and-pinion ratios. Another bonus is that the axleshafts are of equal length, so youll Ford Aerostar: The 8.8-Inch axle . Using the Ford Axle code chart, you will get to negate all these issues with ease. There is a very fundamental difference between Fords 8.8- and 9-inch axles. The Ford 8.8-inch axle has a cast center section and the internal components are installed from the rear. It is an 8 inch rear axel so many parts interchange with many other years Fords and Mercury's using an 8 inch axel. The instructions below will walk you through the steps. 3. Note: Rear axle ratios are available for 2008 and newer models. Differential Gear Ratio Calculator. pattern in most cases differed from the car, and due to the bearing size For reference, this section from the Ford MPC is posted . 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). The rear end width is important on shoebox Fords if you want some selection on wheels. common carrier housing found is the C7AW-E. 1973-1979 Ford Truck Rear Axle Codes. For the most part, series numbers can be determined by your gear ratio, with 2.73 and lower rearend gear ratios falling in the 2-Series, 3.08 to 3.90 rearend gear ratios falling in the 3-Series, and 4.10 and higher rearend gear ratios falling in the 4-Series. 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 combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. Rhodes Race Cars Unwelded Fabricated Rear End Housing Ford 9 in. The other identification information, 9, as observed from the chart, indicates a 3.55 gear ratio of the Ford F-150. You can use the social sharing buttons to the left, or copy and paste the website link: https://www.diyford.com/ford-axle-history-identification-ford-differentials/. We'll also walk you through choosing the correct parts in order to make this installation a breeze! GM B-Body Complete 9" Rear End Packages. Notice the 8.0-inch ring gear diameter cast into the rear cover below the fill plug. With their high-volume production, the two biggest quality problems were leaks from poor welds and poor alignment of the housings. Once you have identified the label, locate the word AXLE under the bar code section. Here are the internal sides of the same three units. $(document).ready( function () {$('#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. The WAR, WAA, and WAB cases have the same ribbing as the N case, but are missing the ever important N feature. 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. Since the "Limited slip" or Locking rear end Boss 429s, 427s, 428 CJ/SCJ and the 429 cars which received the 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. The Ford 9 inch housing is a semi-floating, drop-out axle. 67-71 Comet, Cougar, Mustang, Fairlane = 59.25 inches. 74-75 medium duty large bearing, and. The Ford 9-inch has a reputation as a durable axle that can transmit enormous torque, and this is rightfully deserved. This is not a nodular unit. Here is an example of a weld repair on a factory original housing. Because Generally, aftermarket shafts have to be purchased Builder V8 Billys 1966 Ford Fairlane Twin Turbo 427 RestoMod was built for Street and Strip. The axle tag typically has two lines of numbers and letters stamped on it. 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. GM Tri 5 55-57 Chevy Complete 9" Rear End Package. wheel drives) right up until about 1982, these housings are by far the 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. A 1-wire alternators are perfect for engine swaps or just keeping things simple for your project. (CROSS SECTION WIDTH x 0.ASPECT RATIO x 2 25.4) + WHEEL DIAMETER = OVERALL TIRE DIAMETER. Cost and complexity are two. large-bearing semi-floating axles, and many can be found with hefty 31-spline but the link i was refering to listed codes by year and model. Our example is going to assume a 6000 rpm redline and 26-inch-diameter tires. most abundant. 13 lovely chevy 10 bolt rear end gear ratio chart. So rare Ford dropped it after 66, when they also dropped the 7" Equalock. actual car posi units, which were primarily 28-spline carriers, can be Ford rear ends, or differentials, were manufactured by either the Dana Corporation or Ford. These tags were not that informativeon the early units, so from 1957 to 1962 the tag just referenced axle ratio. On some tags, the first 2 digits don't appear on the tag, but they must be used to identify the axle. Your email address will not be published. The Ford Axle code will also help you identify your particular models engine capacity and the year/vehicle make. in the backside middle and stronger tubes. Ranger * Coupon does not apply to Oval Size Matters T-Shirt. the Broncos from 1966 to 1977, they stayed with the 28-spline units. Also note there isn't a cover on the rear like most axles. Call us at (864) 843-9275. Most 1972 and earlier 31-tooth spline shafts can be shortened and 1973 and later versions typically cannot be resplined. Axles were similar to the Ford 9-inch 28-spline units. It is still used in NASCAR racing as well. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not realistic. There is a gear ratio stamped on the tag. Read more: CV Axle Boot: Overview, Signs, And Replacement. Like the H in our case shows a car with a limited-slip differential. Then take that answer and divide it by 100% and then multiply it by itself to find out what gears/axles you need to run to achieve the desired tire size. Axle code. The shafts. It can also help in identifying the axle ratio of your particular vehicle. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. GM Truck Complete Rear End Packages. T & C FORD TOP LOADER 4 SPEED WIDE RATIO 2ND GEAR 31 TOOTH showing . 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. popular early swap being the 1957-1959 Ford for the 1965/1966 Mustang. GM A-Body Complete 9" Rear End Packages. There are a few exceptions that you will see in the Ford Axle code chart. Axle Ratio = (RPM X Tire Size)/ (Speed (MPH) X 336) Example 4.88 = (2881 X 37)/ (65 X 336) Both 8- and 9-inch axle housings are made from a series of stampings that are fixtured and welded together. Many aftermarket companies produce 9 Ford equivalent rear axles for the drag racing and hot rod industry. Customers are invited to participate in a survey administered by MaritzCX, an independent, third-party supplier. 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. This strengthens the whole rear end assembly. also received the larger axle bearings housings. There are four versions of the nodular iron third members that were produced from the factory. 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. as the Mustang. The tubes do not have any welds, and you just see the witness marks of the parting line for the dies on the tubes. 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.
