Applications: Ford Used The Dana 70 And Dana 70HD Axles In F-350 Trucks Up To 1985.5. This video is a good example of what goes into the process . The large bearing size was available with fi ve different brake drum widths. With 568 Ford 9 Inch Parts for sale, you're sure to find the ideal parts . "N Case" was no longer needed for passenger car/truck However, the critical aspects of the rear axle are the axle flanges and axle lengths. For example: A simple formula to calculate Gear Ratio or Axle Ratios. The last set of numbers is the vehicle plant code. The original carrier is normally equipped with a CV joint flange, which can be replaced with a U . This is because the supply is limited to Any Ford 9" carrier will fit, as long as it has a fill plug on the side. First locate your current gear ratio and tire diameter and then find your approximate RPM at 65 MPH, then reference your new tire diameter with your desired RPM to find the new gear ratio needed. 76-77 large bearing. Some of the heavier cars like the Galaxies also received the is the strongest factory case made BY FORD!!! You can find the axle code on the Safety Standard Certification label information. This is because the supply is limited to version of the case came into use in 1967 or in subsequent years, but it The heat treated aluminum alloy well suited to absorb high impact shock loads. We'll also walk you through choosing the correct parts in order to make this installation a breeze! When you buy through our links, we may get a commission. 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/. 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 . 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. When you look on the inside, you see WAB- 4025A. The typical 3 inch-diameter tubes can be a bit flimsy in higher-power applications. diameter bolt circle, 1967-1973 Torinos, Rancheros, Fairlanes 59.25 inches or The bottom line begins with the ratio being the first set of numbers. The middle number is the ring gear diameter in inches, typically an 8 or 9. The the few cars and early Broncos (and some early trucks) which received Nine Inch Rear Axle. 28 spline axles are tapered and cannot be shortened and re-splined. 65-66 Mustang = 57.25 inches. The magnesium addition causes the grain structure to change from flakes to nodules and thus the name nodular iron. 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. The N cases had two vertical ribs, three horizontal ribs, and a machined-in fill plug. The rear-end housing has a vast amount of ford 9-inch gear ratios available. These tags were not that informativeon the early units, so from 1957 to 1962 the tag just referenced axle ratio. are you wanting the listing for the ratio tags? 8. Ranger Station, Submit It is underneath one of the nuts that holds the third member in place. First, the pinion shaft housing is removed from the front of the housing by removing five bolts. 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Axle length is not always identical from side to side, as many 9-inch applications use an offset center, so you must measure the housing carefully to be able to order the proper axles. It's uncertain if this E Drag Racing 101 ~ Everything You Need to Know! In the 1980s and 1990s, the Lincoln Versailles brakes and complete axles were highly sought after because it was the only way to get a 9-inch axle with discs in a 58-inchwide axle package. The 7.5" rear end is also flat on top and bottom. The trucks varied more, early half ton trucks got the 28-spline axles and You are correct sir, these are the standard ratios for 65-66. We will look at what axle codes are and how to identify the axle ratio from the code. The 8-inch also was only available with 28-tooth axle shafts. When it comes down to actual shafts as well, since the truck lug features the legendary Ford 9-inch ring and pinion strength, 5-on-5.5 lug but the link i was refering to listed codes by year and model. The Ford 9-inch is the most desirable drag racing rear end because it has a removable carrier, which allows quick rear end changes. 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. The tags were replaced with adhesive labels that are placed around the axle tube near the brake and wheel end. 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. much more difficult to locate. When measuring from the top left bolt to the bottom left bolt, the 8.8" rear end will measure 11" from bolt to bolt. This strengthens the whole rear end assembly. shafts. The aftermarket has responded to this by offering a plethora of ratios ranging from 2.91 to 6.50:1. 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 exception is the 2002-2003 Ford Explorer Sport which still used the solid rear 8.8-Inch axle. 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. Richmond Tech Support. Boss 429s, 427s, 428 CJ/SCJ and the 429 cars which received the differences, 28-spline car axle shafts are much more abundant than the In order to verify a nodular unit, you need to look on the inside of the casting. There are four versions of the nodular iron third members that were produced from the factory. On some tags, the first 2 digits don't appear on the tag, but they must be used to identify the axle. Because of their strength, youll see these 9 inch rear ends used in just about every make of car, truck, and customs. Like the H in our case shows a car with a limited-slip differential. On this particular third member, the original copper washers that were under the factory fasteners have been discarded as well. 67-71 Comet, Cougar, Mustang, Fairlane = 59.25 inches. These axles even have a unique bolt pattern of five on 5 inches. Talk to the experts. There are 8.5-inch gears installed in these housings for lowerpower vehicle applications. 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. Find the two-digit code under AXLE. determine which axle housing many cars and trucks received. 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!. 3. This is an example of the only Ford 9-inch version that utilized one-piece tubes. How can one verify "Posi" without taking the differential apart? But it will also use more fuel in all situations because the engine's rpm will be higher. WJ Handy Dad assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. the early housings are ok for the average street performance cars. 1973 and later cars have a 55 bolt pattern, and the axles cannot be shortened. Call us at (864) 843-9275. 1. and this style of center carrier housing is best suited for drag cars or The first table is the code and gear ratio. * Pro Gears are specifically designed for drag race only. The Ford version uses larger axle shafts and different lube flow strategy. for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch The With the chart in hand, locate your vehicles axle code on the axle code column. Well show you what to look for in this buyers guide. Both standard and W-series cases are made out of gray cast iron. Ford non-overdrive transmissions include: C-4, three-speed, automatic. If the case has two verticle RIBS ,from top to Home / Performance Front & Rearends / Parts Department / Ring & Pinion Sets / 9-Inch Ford. Some even consider these axles to be bulletproof. The last set of digits on the top row on the right side is the date code. I remember that the car had a bad pinion bearing and when I took the rear end apart the pinion would just barely fit through the pinion support hole in the case. The rear end width is important on shoebox Fords if you want some selection on wheels. There are 4 different sets of rear axles that would have come stock in 66-77 Broncos. C-6, three-speed, automatic. This format is also applicableto casting date codes. It was not the only axle used, but was by far one of . Most of "N Produced from 1957 to 1987 by the Ford Motor Company, it was used in full size . Now that you have identified the axle code, let us know the axle ratio. The 8.5- and 8.8-inch gears have even found themselves in the independent-carrier-style axles. The 1960s to 1967s still retain the dimples but also have an oil level plug in the back cover. Most of 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. 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. . When it comes down to actual shafts as well, since the truck lug applications due to the demise of most performance engine options in the Discount is automatically applied. This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. Differential Gear Ratio Calculator. Ford Axle code identification, Read more: Front Axle Of A Car: Types, Functions, And Replacement. The axle housings themselves had many different variations over time as well. 9-inch complete rear axle is approximately 35 pounds heavier than an 8.8 rear axle with approximately the same components. 61.25 inches, 1967-1971 Comets, Cougars, Fairlanes 59.25 inches, 1967-1973 medium and big block Mustangs and Cougars, 1966-1971 Fairlanes, Torinos, Montegos, Comets, and other 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 Many people prefer to just call it the Ford 9-inch-style wheel end. for the swap to be performed. can tell this is a 9-inch from the removable carrier on the front. 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. The cast-iron third member is installed from the front of the housing. 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. and 429CJ cars.From what I have seen don't expect to find them in 390 or The "rough" Ford used at car swap meets and shows are the units pulled from trucks with the Gear Ratios - RPM from Speed, Rear & Trans. (often referred to as a "POSI") came to be a popular option and 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 information on the plate includes: The purpose of the axle code is to help identify the specifics of a particular vehicles rear-end axle. same width, but the distance between spring perches is different between So rare Ford dropped it after 66, when they also dropped the 7" Equalock. 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. There are three versions with external Ns cast in; note the more curved style on the top right. The axle was developed to replace the Ford 9-inch axle.This axle is still in production today for a variety of Ford vehicles. there is the letter "N" than this is a NODULAR CASE (GREAT) this This is a sampling of some of them. With their high-volume production, the two biggest quality problems were leaks from poor welds and poor alignment of the housings. Axle Size/Strength Chart; Explained Videos; Tech Articles; 9-Inch Ford. Info To Share? Now you can see the C4AW-4025-B part number on the lower left unit, which verifies it as a nodular unit. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. It's important to know the friction quality and pad size before selecting a new set of disc brake pads. Most of the time, the differences are in shock and spring mounting brackets and, of course, brake hardware. 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. 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. 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. Why is the Ford 9in rear end the go to rear axle for street and strip builds for over 70 years? This roadster sounds amazing, goes hard and turns heads wherever it goes. Most have the two driving holes for the manufacturing process while one has a more square looking drive end. It allows for the pinion side Center Section to be removed. 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. From my piles of rare parts, here is an independent cast-iron 8.8-inch carrier axle. This consists of the Ford Pickup F100 lineup till the Ford F350 lineup. Both axles share a common design and are often referred to as banjo style or third-member style. There is a huge aftermarket support for this axle design. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. It's uncertain if this E 1964-1971 Falcon, Comet, some 1965-1969 Mustangs or 1964-1967 Ranchero V8 cars. 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. 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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 . 31-spline car shafts. The smaller 8-inch just cannot handle the abuse as its bigger brother can. The 9-inch ring and pinion is front-loaded into the rear end housing. How do I find the Axle Ratio and Limited Slip? Ford trucks and cars from 1968 onwards are equipped with the Ford Axle codes, which are clearly indicated on the certification plate. To determine the axle ratioof your vehicle, locate thetwo-digitaxle code first, then use your vehicle'stowing guide to find the axle ratio that corresponds to that code. 31-spline carriers and "Traction Loc" style posi unit. 54" The rear-end housing has a vast amount of ford 9-inch gear ratios available. It's . Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. If your vehicle has a Limited Slip Differential, it will be noted as Limited Slip. This is a relatively common issue on these housings. replaced, and that is why it remained in use for so long. Generally most cars received the small axle bearings and 28-spline axle Select the Towing Guide for your vehicle's model year. inches Axle code. You 56" 1967-1973 Mustang axles identified by wheel flange: two large holes and counter sunk center - 31 splines. The entire S550 Mustang generation has had 4, due in part to the limited-slip differential option. The complete guide to master any grease gun, Battery vs. Starter vs. Alternator: How to jumpstart even the most stubborn of car. Read this first! Measuring for your 9-inch axles requires a few basic measurements to be taken. Warranty Period: 1 Year or 50,000 Miles: Part #: MGK-300 : Ring Gear Diameter: 8.5 Front (Inch) 9 Rear (Inch) Ring Gear Material: 8620 Steel: Differential . Original ratios are 2.47, 2.50, 2.75 or 3.0 with the 2.50 being the most common. for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch While the 8.8 is similar to the 12-bolt, it isnt identical. Buyers Guide. This bearing and the casting structure surrounding it need to be carefully inspected as this is a common area for cracks. Spring perches must be cut and re-welded in order . Standard Ford 9 inch gear sets are primarily used in street applications. is by far the most abundant case being used in both full size Ford cars applications due to the demise of most performance engine options in the Written by Joe Palazzolo and Republished with Permission of CarTech Inc. 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. 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. For the Ford 9" rear end to be smaller and lighter than a Dana 60, the weight has to come from somewhere. 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. 800-646-6718. 31-spline axles and carriers for most trucks. Learn more. of course most desirable is the N case, first used on the 427 Galaxies 13 lovely chevy 10 bolt rear end gear ratio chart. 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. The WFE-V2 helps us fi nd the decade of the 1970s. 31-spline carriers and axle shafts. 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. 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. 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.. This chart serves as a general guideline for axle fl ange-to-fl ange width based on different models and production years. 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. 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. Note that most, but not all, applications will usually have one axle longer than the other due to an offset center section, so don't just measure one side and assume the other is the same. The case - as in the Mustang line, most however never received a factory 9-inch). The smaller 8-inch third member is on the right. The Ford 8.8-inch axle has a cast center section and the internal components are installed from the rear. the Broncos from 1966 to 1977, they stayed with the 28-spline units. Where A=the first number (static reduction), Bi=Gear diameter, Bf=Ring Gear diameter, Cf= (Crown Wheel dia.) Also notice the part number and metal axle tag. Housing end bolt patterns can be confirmed on the bottom of the axle order form. 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. 66-71 Fairlanes, Torinos, Montegos, Comets, and other Ford intermediates with big blocks. Trust Speedway Motors for best-in-class parts for Ford 9 Inch - delivered quickly, efficiently and without any hassles. GM Tri 5 55-57 Chevy Complete 9" Rear End Package. Gear Ratios Drag Strip Performance - 1/8 Mile Horsepower Requirements from MPH - 1/8 Mile Horsepower Requirements from ET - 1/8 Mile ET from MPH - MPH - Km/H in 1/4 Mile using Horsepower 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 Ford chart below contains a general decoder system for Ford pickup from the 1980s till the 1990s. It is the one most commonly type, 28 and 31 splines, Ranchero/Torino - heavy duty thick wall housing, 3.25 inch diameter axle most abundant. This strengthens the whole rear end assembly. around 64-65 I believe.They are most often found behind the later 428CJ 1957 no dimples, flat center band up the center of the rear cover, bottom drain plug. Watch the video for all the details and you'll wonder why your shop hasn't had a set sooner! found in the trucks up to around 1982. These were used sporadically until about 1969. Gross Vehicle Weight ( GVW ) would Mustangs and Fairlanes. The answer lies in several of the Ford 9-inchs design aspects, starting with the Ford 9 inch gears. The Maverick 8" or Ranger 7.5 and 8.8 are good options. 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? Original gear ratios range between 2.79:1 and 5.43:1, and aftermarket replacement gears are available for many ratios as well. The 1966 Mustang had 14 possible rear gear ratio/differential combinations. 4. in the backside middle and stronger tubes. 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). 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. 1960-1967 two dimples, flat center band, oil level hole in the back cover. it was very complete. 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. 3. Cost and complexity are two. If the socket fits (as shown in our photo below) it is a Ford 8-inch housing. Axle code is a combination of letters and numbers stamped on a small plate/tag attached to your vehicles rear axle. It was then replaced by the Ford 8.8 inch rear axle. in cars and trucks. The Would very much apreciate it if someone would post it again. WJ Handy Dad recommends safe practices when working on vehicles/homes and or with tools seen or implied in this video. Many people are not aware that Ford made a smaller banjo axle and confuse the 8-inch for a 9-inch. Typically with just this information, you can cross reference what you need to know about the axle. About | Contact | Terms | Privacy. For a Ford 9 inch rear end, swapping gears is fairly easy as it has a removable third member. with 3/8" fine thread, while the larger bearing use 11/16" Note: Rear axle ratios are available for 2008 and newer models. GM G-body 78-87 Complete 9" Rear End Package. Another bonus is that the axleshafts are of equal length, so youll trucks varied more, early half ton trucks got the 28-spline axles and Measuring from axle flange to axle flange (measurement A in the diagram below) will give you total axle housing width. 8300 N. Austin Ave Morton Grove, IL 60053 This pinion shows excessive wear on the trunnion surface and should not be re-used. This is a major advantage compared to other rear axle systems because disassembly is faster and more convenient. 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. Our experts will help you find the correct ring and pinion set for your particular application. The straddle-mounted pinion has a roller bearing in the gear case, which provides additional support for the pinion under heavy loads. Save my name, email, and website in this browser for the next time I comment. Using the correct part is imperative to engine longevity and proper drivetrain assembly. Along with the many different brake and wheel end varieties, many different styles of axle shaft ends were manufactured. 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. It is common to find a 9-inch in a old Falcon or Ford intermediates with big blocks. Most of the later trucks All the Galaxies I have seen from throughout the 1960s At this width, many were used in street rod applications without modifi cation. replaced, and that is why it remained in use for so long. Later Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. These third members are the strongest of the production cases and the most desired. Some axle shafts can be shortened and a new spline machined in place. (CROSS SECTION WIDTH x 0.ASPECT RATIO x 2 25.4) + WHEEL DIAMETER = OVERALL TIRE DIAMETER. Ford Rear Axle Assembly Identification - Page 01 . You will also learn how to identify the codes in Ford vehicles. 6. What Is Car Battery Voltage And Why Is It Important? CLICK HERE to see a complete listing of front axle codes). 31-spline carriers and axle shafts. This was offered on the 1960 F-100 truck. Start by opening the left drivers front door.