Mustangs and Fairlanes. Ironically, 8.0-inch independent carriers were made in cast iron. The axle housings themselves had many different variations over time as well. 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. shafts. 31-spline carriers and axle shafts. Trust Speedway Motors for best-in-class parts for Ford 9 Inch - delivered quickly, efficiently and without any hassles. Some tags reference the week of the month instead of the exact day and just use a letter (A to E) for first through the fifth week of the month. How to pick the right gear ratio for your needs It was not the only axle used, but was by far one of We will look at what axle codes are and how to identify the axle ratio from the code. found in the trucks up to around 1982. The BOM will identify the model number, the gear ratio, the type of differential, and all component parts. 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. Any of the W-series cases do have a fill plug machined in them. There is a huge aftermarket support for this axle design. is by far the most abundant case being used in both full size Ford cars The ring and pinion are then accessed, also from the front, by removing another 10 bolts. The 7.5 should be plenty adequate for the application you describe, but an 8.8 is best. pattern (same as older Jeep), a 65-inch width at the wheel mounting surfaces, 1-wire alternators are perfect for engine swaps or just keeping things simple for your project. differences, 28-spline car axle shafts are much more abundant than the 54" MaritzCX moderates public reviews to ensure they contain content that meet Review guidelines, such as: No Profanity or inappropriate defamatory remarks, No Personal Identifying information (e.g., customer phone number or email), No Competitor references (e.g., another brand or dealership), Dangerous behavior (e.g. It's uncertain if this E TEETH 1 4.11 79-0097-1 37-9 1 4.29 79-0098-1 30-7 1 4.57 79-0101-1 32-7 2 5.14 79-0109-L 36-7 2 5.17 79-0112-L 31-6 2 5.20 79-0111-L 26-5 For Maximum . also received the larger axle bearings housings. differences, 28-spline car axle shafts are much more abundant than the Its called a 9 inch because the ring gear measures 9 inches. common carrier housing found is the C7AW-E. 77-81 Lincoln Versailles. 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. This is because the supply is limited to control arm mount. Exceptions to this were the ultra Hi performance Boss 302s, mind as mentioned, the Fairlane spring perch distances were not the same If the case has two verticle RIBS ,from top to Gear Ratio Chart | Revolution Gear & Axle medianet_crid = "364974658"; These used what is referred to as a Unless you are building a Pinto or straight six-cylinder vehicle, you want to avoid it. Many companies, such as Currie Enterprises, Mark Williams Enterprises, Moser Engineering,and Strange Engineering, reproduce this design today. Learn how to hook up a 1-wire alternator on your vehicle. station wagons-cars with 351 and up engines received 9-inch units - as did Most of the later trucks Axle code. If your vehicle has a Limited Slip Differential, it will be noted as Limited Slip. 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. popular early swap being the 1957-1959 Ford for the 1965/1966 Mustang. larger wheel bearing housings. By positraction, we talk about the type of differential the car uses, whether a limited-slip differential or a conventional non-Positraction differential. Cost and complexity are two. dimples. 59.25 inches to 61.25 inches, 1957-1959 Ranchero and station wagon rears, 57.25 inches, 1967-1971 Comet, Cougar, Mustang, Fairlane, 59.25 inches, 1967 Fairlane 63.50 inches (coil springs), 1957-1959 Ranchero and station wagon 57.25 by the size of the nuts and thread used to retain the brake backing plates Handy Ford 9 Inch Ratio Chart | 460 Ford Forum Here is the step by step guide: The Safety Standard Certification/ Safety Compliance Certification label is located on the door pillar of the left driver seat of your truck. It's important to know the friction quality and pad size before selecting a new set of disc brake pads. It has been said that it has a higher 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. Rearend/Axle Length Calculator. This pinion shows excessive wear on the trunnion surface and should not be re-used. The aftermarket has responded to this by offering a plethora of ratios ranging from 2.91 to 6.50:1. Here is a quick visual summary: The 1957 housings do not have dimples on them and have an oil drain plug. When you look on the inside, you see WAB- 4025A. The last set of numbers is the vehicle plant code. For the Ford 9" rear end to be smaller and lighter than a Dana 60, the weight has to come from somewhere. Also note there isn't a cover on the rear like most axles. The Ford 9 inch rear end is one of the most popular axles in automotive history. and 429CJ cars.From what I have seen don't expect to find them in 390 or - as in the Mustang line, most however never received a factory 9-inch). How to Choose the Right Axle Ratio for Your Pickup Truck The middle number is the ring gear diameter in inches, typically an 8 or 9. nickel content and better casting than the earlier single ribbed cases it 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. This larger offset (hypoid distance) between ring-gear . 1967 Mustang - Axle Information Hypoid offset is the distance between the centerline of the pinion and the centerline of the ring gear. The Ford version uses larger axle shafts and different lube flow strategy. 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 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. Calculating the torque multiplication that your axle gears provide is quite easy. SHARE THIS ARTICLE: Please feel free to share this post on Facebook / Twitter / Google+ or any automotive Forums or blogs you read. . On this particular third member, the original copper washers that were under the factory fasteners have been discarded as well. 8.75, 9.25, Ford 9 inch, and GM's 8.25 inch . Note: Rear axle ratios are available for 2008 and newer models. The thanks. 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. Again, the overall first-gear ratio with the TH400 and 4.10:1 rear gear would be 10.168:1. 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.. Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. Ford 8.8-Inch Rear Axle History & Specs - The Ranger Station The 1958s and 1959s have two dimples on either side of the housing and some have drain plugs. Only the N-series cases are made out of the stronger, more desirable, nodular iron. Mustang Rear End Gear Ratios & Axle Guide - LMR.com 31-spline axles and carriers for most trucks. 2. Torsion Axle Vs. Centers: 1957 - no dimples, flat center band up the center of the rear cover, bottom drain plug, 1958-1959 - two dimples on back of housing, flat center band, some had drain holes, 1960-1967 - two dimples, flat center band, oil level hole in back cover, 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, 28-spline axles cannot be shortened and resplined (they're tapered), 1972 and earlier 31-spline axles have the ability to be shortened, 1973 and later The Ford Axle code chart is a handy tool for positraction replacements. For example, Ford says the 2018 F-350 Super Duty 4x2 regular cab pickup equipped with the 6.2-liter . large-bearing semi-floating axles, and many can be found with hefty 31-spline 56" A simple formula to calculate Gear Ratio or Axle Ratios. Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. Come join the discussion about popular models such as the Mustang, Galaxie, Falcon, Fairlane, Torino, Shelby and many more! It is as easy to cut down as any other 8 or 9 inch Ford axel. In 1963, Ford includedmore information. for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch How to Set up Your Rear Gear Correctly - RacingJunk News The 8.8 is a traditional semi-fl oat Salisbury axle with C-washers for axle retention. Our aluminum cases are manufactured from premium material sourced in the USA, designed and machined in-house, and offered in various forms to meet the requirements of the most demanding applications. Ring and Pinions from Motive Gear The GoJak wheel dolly makes moving immobile vehicles around your shop easy as place, pump, and push! This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. It was also used in the 1983-1996 full-size Bronco, and E150 Econoline . The last set of digits on the top row on the right side is the date code. Because For reference, this section from the Ford MPC is posted . If measuring the drum-to-drum distance, add .200-inch to these values. Ford 9 inch Gears. This chart serves as a general guideline for axle fl ange-to-fl ange width based on different models and production years. On some tags, the first 2 digits don't appear on the tag, but they must be used to identify the axle. Here is a picture of the milling machine cutting new spline teeth after the axle has been cut to length. There are even different drum brake registers. The Final Drive Ratio shows you how many times the engine turns for one complete turn of the tires. The axle model codes are interchangeable, typically the suffixes are different for a revision change but the axle is still interchangeable with one having the previous suffix. 1950 Ford car rear end info.. - The H.A.M.B. and 429CJ cars.From what I have seen don't expect to find them in 390 or The 8-inch was introduced in 1962 and is found in many lower performance Fairlanes, Mustangs, Falcons, Comets, Cougars, and Pintos, just to name a few of the applications. We'll also walk you through choosing the correct parts in order to make this installation a breeze! A Axle Ratios - Gary's Garagemahal (the Bullnose bible) The 8-inch also was only available with 28-tooth axle shafts. actual car posi units, which were primarily 28-spline carriers, can be Ford 9 Inch Rear End & Axle Information | JEGS Notice the 8.0-inch ring gear diameter cast into the rear cover below the fill plug. The code, 4L11, tells us that it is a 4.11:1 ratio with a limited-slip or Traction-Lok differential. Generally, aftermarket shafts have to be purchased medianet_width = "300"; 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. 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. Proceed to match the code with its corresponding Axle Ratio column on the table to find the ratio. Measuring for your 9-inch axles requires a few basic measurements to be taken. The (narrowest 9-inch housing), 1966-1977 Bronco 58 inches but has 5-on-5 1/2 inch 800-646-6718. Now you can see the C4AW-4025-B part number on the lower left unit, which verifies it as a nodular unit. Ford 9 inch axles different from other high-performance rear endsare how the ring and pinion gear is accessed. 13 lovely chevy 10 bolt rear end gear ratio chart. Measuring from the outside of the axle flange to the centerline of the pinion gear/nut will give you the correct axle length required (B and C measurements below). The narrowest production 9-inch axle is 56.375 inches. 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. housings. (final drop). and this style of center carrier housing is best suited for drag cars or Ford 9 Gear Sets - Ford 9 inch Gear Sets - Strange Engineering wheel drives) right up until about 1982, these housings are by far the Gross Vehicle Weight ( GVW ) would These were used sporadically until about 1969. * Pro Gears are specifically designed for drag race only. The 1960s to 1967s still retain the dimples but also have an oil level plug in the back cover. Standard Ford 9 inch gear sets are primarily used in street applications. Your email address will not be published. Thanks. Remember to locate the Safety Standard Certification label on the left side door post as you open the door. "Pro" gears are designed specifically for drag racing. You We provide how-to and technical articles, vehicle and build features and examples, plus calculators and lookups that will help you get your ride from dream to driver. Keep in . Dec 1, 2011. The third member supports all of the gears and bearings, which allows for easier gear ratio swaps if you have multiple third members. (See Chapter 8 for how to install a 9-inch in a classic 1957 Chevy Bel Air as a performance upgrade.). by the size of the nuts and thread used to retain the brake backing plates 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. These axles had a stout 2.25-inch ring gear offset as compared to a 1.5-inch ring gear offset of the later 8.8-inch axle. 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. trucks varied more, early half ton trucks got the 28-spline axles and Info To Share? The other identification information, 9, as observed from the chart, indicates a 3.55 gear ratio of the Ford F-150. There are 8.5-inch gears installed in these housings for lowerpower vehicle applications. but the link i was refering to listed codes by year and model. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. in the backside middle and stronger tubes. The transmission yokes are CNC machined to assure concentricity and balance for ideal driveshaft operation. Projector vs. Reflector: Plan to upgrade your headlights? Many people are not aware that Ford made a smaller banjo axle and confuse the 8-inch for a 9-inch. Well show you what to look for in this buyers guide. 3. This axle tag belongs to a 1977 F-150. How can one verify "Posi" without taking the differential apart? 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. 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) . While the 8.8 is similar to the 12-bolt, it isnt identical. 56" Would very much apreciate it if someone would post it again. WJ Handy Dad assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. 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. Some of the heavier cars like the Galaxies also received the 6. Rear ends with 3.42 gears usually come in 8.2 and 8.6-inch units, Rear ends with 3.73 gears come in 8.5 8.6-inch units Best Gear Ratio For Your GM 10 Bolt. With their high-volume production, the two biggest quality problems were leaks from poor welds and poor alignment of the housings. As part of my research, I went to renowned Currie Enterprises and gathered one of just about every different 9-inch axle variant. by Ford exist in the size of the outer axle bearings in the housings and You are correct sir, these are the standard ratios for 65-66. Many people prefer to just call it the Ford 9-inch-style wheel end. The the early housings are ok for the average street performance cars. Some axle shafts can be shortened and a new spline machined in place. This is a relatively common issue on these housings. Traditional BOM's are 6 digits followed by 1 or 2 digits and start with the numbers 60 or 61. 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. When you buy through our links, we may get a commission. For example: 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. "N Case" was no longer needed for passenger car/truck (often referred to as a "POSI") came to be a popular option and Select the Towing Guide for your vehicle's model year. used the 9-inch rear, regardless of engine size. First, the pinion shaft housing is removed from the front of the housing by removing five bolts. The date code on this axle tag is 7AC, and it corresponds to the 7th year, 1st month (January), and 3rd day. All the Galaxies I have seen from throughout the 1960s 1/2 in Ring Gear Bolts: WCN-B: Ford Pass '63-64: 3.50: 9 in: NL4-1/2 in Ring Gear Bolts . Original ratios are 2.47, 2.50, 2.75 or 3.0 with the 2.50 being the most common. 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. 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. The These axles did have metal axle tags similar to the 9-inch axles but they were slowly phased out as vehicle programs were updated. The WFE-V2 helps us fi nd the decade of the 1970s. These tags were not that informativeon the early units, so from 1957 to 1962 the tag just referenced axle ratio. The other identification information, 9, as observed from the chart, indicates a 3.55 gear ratio of the Ford F-150. Strange Engineerings superior line of Chrome Moly Transmission yokes are manufactured from high quality forgings and fully heat treated to achieve maximum tensile strength. Besides the styling of the Ford Edsel, even the axle shafts were very unusual. Exceptions to this were the ultra Hi performance Boss 302s, more plentiful starting in the early 1970's, many of the units found today Repairing a twisted brake or throttle cable with a simple homemade tool in just minutes Easy and functional. Ford 9-inch can be found under 1974-1986 F-150s and 1978-1986 Broncos. Ratings and reviews are provided by customers who have either purchased a vehicle or visited a dealership for service. Guide To Ford Truck & SUV Axles - Blue Oval Trucks carriers, while sometime in the early 70's the switch was made to mostly The case Call 800.979.0122, 7am-10pm, everyday. T & C FORD TOP LOADER 4 SPEED WIDE RATIO 2ND GEAR 31 TOOTH showing . as the Mustang. Johns Industries Nodular Iron Assembly N1905JI $1728.00 With Open (New Gear) With Full Light Weight Spool $1409 With Trac-loc $1770 With Truetrac $1974 This third member comes with: A new, U.S.A. made John's nodular iron 9 inch case Case one pound lighter than the original Ford case Rated for up to 750hp A new U.S.A made John's billet aluminum pinion support A new forged pinion yoke of your . The later 7.5 inch, 8.5 inch, 10.5 inch. While the 1350 u-joints provide enough strength to handle most demanding of applications, Strange also offers a variety of yokes with1480 u-joints for the ultimate in driveline strength and dependability. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. The close-ratio and C4 289HP trans were mated to the 3.50, and occasionally to the 3.89 and 4.11. The format has changed over the years but mostly follow this sequence:. There are 4 different sets of rear axles that would have come stock in 66-77 Broncos. Gear Ratios, Limited Slip and Your Mustang's Rear End 1960-1967 two dimples, flat center band, oil level hole in the back cover. The first two digits of the axle code identify the ratio and capacity of the rear axle. Content. When narrowing a Ford 9 inch rear end, the first step is determining the overall length you need. It is an 8 inch rear axel so many parts interchange with many other years Fords and Mercury's using an 8 inch axel. Choosing New Rearend Gears Is As Easy As 1, 2, 3, 4 widths I keep in mind for Mustangs are the following: 52" The heat treated aluminum alloy well suited to absorb high impact shock loads. Finding the location of this certification plate is easy. narrowed rear ends due to the added strength in the middle. 1948 through 1960 Ford F-1 and F-100 Rear Axle (differential) Swaps Our example is going to assume a 6000 rpm redline and 26-inch-diameter tires. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not realistic. The 9-inch housing's center section will not allow the socket to clear, and . trucks varied more, early half ton trucks got the 28-spline axles and 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 aftermarket Daytona-style pinion cartridge accommodates the larger and stronger pinion head bearing. 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. 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 Axle Size/Strength Chart; Explained Videos; Tech Articles; 9-Inch Ford. 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. applications due to the demise of most performance engine options in the - Rod Stroke Ratio - Stroke Size Rear Gear Requirements - Rear End Gear Ratio Needed - Speed from RPM, Rear & Trans. Tech Tip: Ford 9" Rear Axle Information - Pit Stop USA Ranger Station, Submit Fords 9 inch rear axle was produced from 1957 through 1986 and was installed in nearly every Ford passenger car and truck at one time or another. Have The fourth version did not have the N in the casting on the outside but still retained the rib structure. There is typically a stamped steel cover that must be removed to gain access to the internals.