Choosing New Rearend Gears Is As Easy As 1, 2, 3, 4 Many people prefer to just call it the Ford 9-inch-style wheel end. We'll also walk you through choosing the correct parts in order to make this installation a breeze! The Independent Rear Suspension (IRS) used in '99-'04 Cobras and the current Mustang use almost the same differential as the standard 8.8. of torque to the pinion gear and the gear ratio of the ring-and-pinion is say 4.12:1, the output torque is 412 ft./lbs. $(document).ready( function () {$('#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. Ford 9-Inch Housing Identification and Axle Measurement - Speedway Motors So dont be surprised that most of these axles leak from the welds. A metal axle tag is typically located on the driver-side front of the third member. Axles were similar to the Ford 9-inch 28-spline units. This is a major advantage compared to other rear axle systems because disassembly is faster and more convenient. wheel drives) right up until about 1982, these housings are by far the 1-wire alternators are perfect for engine swaps or just keeping things simple for your project. The fourth version did not have the N in the casting on the outside but still retained the rib structure. If there is an "L" in between, you should have a locking or limited slip differential. The unit on the top left seems to be nodular iron but requires a little more investigation to verify. This is not a nodular unit. Trust Speedway Motors for best-in-class parts for Ford 9 Inch - delivered quickly, efficiently and without any hassles. 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. 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. 56" Here is an example of such a unit. earlier housings used in cars from 1957 to mid 1960s tended to be the 31-spline car shafts. The engines flexplate is a critical part to transferring power to your drivetrain. if one wants to use a 31-spline truck carrier in a car. Chevy Rear End Gear Ratio Chart - Autos Hub 9-Inch Gears - Currie Enterprises With the pinion gear and differential in place, rear-end marking compound in place, and with the bearings only "snug" (just tight enough to eliminate any "play"), check the pinion depth by way of the contact pattern that can be found by the rotation of the pinion against the ring gear. 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. None of which changes the strength of the axle shaft. Ford 9-inch axle - Wikipedia Hoonigan Founder and Pro Rally Driver Ken Block Dead at 55, Worlds MOST Unusual Cars Ever Made, Found In One Warehouse, Lower the Bar ~ Perfectionism is Ruining the Automotive Hobby, 1971 GMC COE Fire Truck to Ramp Truck Car Hauler Build, Roadkills Best (and Worst) Drag Strip Tests, How To Choose the Correct Drag Racing Tire, 25 Tools and Gift Ideas Under $15 From Harbor Freight You Need, The Myths And Realities Of Carburetor Sizing, The Inaugural No Name Nationals Drag Race & Burnout Contest Coverage, Lawn Mower Racing ~ The Worlds CHEAPEST Motorsport, Quick and Easy DIY Headliner for Less Than $20, 1928 Ford Model A Coupe Goes From Yard Art To Driver, How To Turn Railroad Track into a DIY Homemade Anvil, New Docu-Series from Rat Rod Magazine ~ American Rust, Finishing a Late Friends Handmade 1956 Baby Buick Special Mini Car, Best 3-Ton Floor Jack? Torsion Axle Vs. The first table is the code and gear ratio. Our example is going to assume a 6000 rpm redline and 26-inch-diameter tires. This is a great upgrade component to use for high-power applications or if you are replacing your cartridge. 1999 Ford Ranger Rear Axle Assembly7.5 RING GEAR, 9 BRAKES, 3.73 RATIO Unless you are building a Pinto or straight six-cylinder vehicle, you want to avoid it. 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. Careful aftermarket shops and their stringent attention to repairing these housings are able to correct many of these issues. Gear ratios can be quickly changed by removing the axles and driveshaft, unbolting the . This chart applies to all Ford non-overdirve transmissions, manual and automatic. the axle from around the 1957 model year right up until the early 1980s The Maverick 8" or Ranger 7.5 and 8.8 are good options. 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. the Broncos from 1966 to 1977, they stayed with the 28-spline units. socket size and 7/16" fine thread. if so is this what you are looking for. We stand behind our products with some of the smartest technicians in the industry. It was not the only axle used, but was by far one of for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes The material and heat treating provide excellent wear service life, but doesn't handle shock loads as well as Pro 9 in gears. Ford 9 inch Third Members Assemblies - John's Industries more plentiful starting in the early 1970's, many of the units found today For example: 800-646-6718. 1950 Ford car rear end info.. - The H.A.M.B. Both axles share a common design and are often referred to as banjo style or third-member style. A Lincoln Versaille rear is a 9" with 28 spline axles, big axle bearings, and disc brakes. GM F-Body Complete 9" Rear End Packages. housings also evolved over the years: * Coupon does not apply to Oval Size Matters T-Shirt. These variations include different-size drum brakes, disc brakes, and wheel hub arrangements. But to be correct, it is a 3/4 fl oat. Bolt-In 9 Inch Ford Rear Housing for 1967-72 GM Pickup Trucks, Speedway Centered Housing Ford 9 Inch Axle Kit, 58 Inch Width, Fabricated 9 In Ford Rear Axle w/ Posi Traction 3rd Member, 58 In, 9 Inch Ford Cut-to-Fit Axle with Bearing, Big Ford/New Style, Ford 9 Inch Gear-Style Posi Differential Third Members, Ford 9 Inch Bolt-On Rear Disc Brake Kit w/ E-Brake Caliper, Driven 04230 75W90 Limited Slip Gear Oil Change Kit, Ford 9 Inch, CarTech SA170 High-Perf. GM A-Body Complete 9" Rear End Packages. A simple formula to calculate Gear Ratio or Axle Ratios. The 1958s and 1959s have two dimples on either side of the housing and some have drain plugs. These labels have a specific code that is similar to the axle code on the 9-inch axles. Later Axle code. also received the larger axle bearings housings. Find the word AXLE under the bar code. Read more: Torsion Axle Vs. One exception to this was The exception is the 2002-2003 Ford Explorer Sport which still used the solid rear 8.8-Inch axle. Ranger 9-inch (cars) have a 5-on-5 bolt circle and the axles cannot be shortened. The Ford Explorer uses an independentstyle Carrier made out of cast aluminum. The 7.5" rear end is also flat on top and bottom. most abundant. A forum community dedicated to Ford performance owners and enthusiasts. The last one i got was marked "Mustang Posi" on the rear of the differntial by the people at the yard who dissembled the car. and trucks throughout the 1970s. and Fairlane axle housings are often grouped together because they are the There may be other labels attached to that pillar so pay attention to one that looks similar to the one below. small bearing housing can be differentiated from a large bearing housing Talk to the experts. N-case. 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. Typically with just this information, you can cross reference what you need to know about the axle. Ford 8.8-Inch Rear Axle History & Specs - The Ranger Station The 9-inch housing's center section will not allow the socket to clear, and . applications due to the demise of most performance engine options in the The Lincoln Continental style of disc brakes use 11-inch rotors. 31-spline carriers and "Traction Loc" style posi unit. Original gear ratios range between 2.79:1 and 5.43:1, and aftermarket replacement gears are available for many ratios as well. On this particular third member, the original copper washers that were under the factory fasteners have been discarded as well. We can teach you some of the major differences between the Ford and GM-style T5 Flathead transmission adapter kits. The aftermarket Daytona-style pinion cartridge accommodates the larger and stronger pinion head bearing. 2. Gross Vehicle Weight ( GVW ) would 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. A strong 9" with a nodular diff and 31 spline axles is fairly comparable in strength to a stock Dana 60 rear end. The by the size of the nuts and thread used to retain the brake backing plates Axles Tubes Are 4-Inches. Measuring for your 9-inch axles requires a few basic measurements to be taken. The tags were replaced with adhesive labels that are placed around the axle tube near the brake and wheel end. A copy of the Ford Axle Code Chart is linked below in this article. Proceed to match the code with its corresponding Axle Ratio column on the table to find the ratio. Ford Axle codes help identify the vehicles positraction as well as an axle to gear ratio. diameter bolt circle, 1967-1973 Torinos, Rancheros, Fairlanes 59.25 inches or Gross Vehicle Weight ( GVW ) would But it will also use more fuel in all situations because the engine's rpm will be higher. determine which axle housing many cars and trucks received. It is the one most commonly The first two digits of the axle code identify the ratio and capacity of the rear axle. I put together a whole collection of housings and third members. and 429CJ cars.From what I have seen don't expect to find them in 390 or Strange engineering offers a variety of steel retainer plates to be used with drum and some disc brake applications. 77-81 Lincoln Versailles. in the backside middle and stronger tubes. The most Generally, aftermarket shafts have to be purchased The Ford 9 inch rear end is one of the most popular axles in automotive history. Your email address will not be published. It's uncertain if this E 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. by Ford exist in the size of the outer axle bearings in the housings and Some even consider these axles to be bulletproof. carriers, while sometime in the early 70's the switch was made to mostly Most of The Lincoln LS and Jaguar S-type were equipped with an 8-inch, castaluminum, independent- style carrier. middle of case it is a good IRON type IF in the very center of this case It is underneath one of the nuts that holds the third member in place. 54" For example: The tag will say: 350 for 3.50:1 ring and pinion gear ratio. We will look at what axle codes are and how to identify the axle ratio from the code. always looking for good content to share with wheel drives) right up until about 1982, these housings are by far the This axle tag belongs to a 1977 F-150. Call us at (864) 843-9275. There are a few exceptions that you will see in the Ford Axle code chart. The aftermarket has responded to this by offering a plethora of ratios ranging from 2.91 to 6.50:1. Discount is automatically applied. The Would very much apreciate it if someone would post it again. General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. 1/2 ton 4X4 pickups! The Ford version uses larger axle shafts and different lube flow strategy. Axle Size/Strength Chart; Explained Videos; Tech Articles; 9-Inch Ford. Learn how to hook up a 1-wire alternator on your vehicle. 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. It is as easy to cut down as any other 8 or 9 inch Ford axel. Click on the 'Submit' button to find out how you 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. It was required to repair a leaking weld. Some of the heavier cars like the Galaxies also received the Boss 429s, 427s, 428 CJ/SCJ and the 429 cars which received the With the chart in hand, locate your vehicles axle code on the axle code column. allow larger ring gear to fit. common carrier housing found is the C7AW-E. Ford personnel and/or dealership personnel cannot modify or remove reviews. The Ford 8.8-inch axle has the same ring gear mounting distance (see Chapter 7) for all ratios, just like the 9-inch. 6. 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 While the 8.8 is similar to the 12-bolt, it isnt identical. 28 spline axles are tapered and cannot be shortened and re-splined. Differentials, Axles/Drivelines, Book, Using GoJak Wheel Dollies to Easily Move Your Vehicle, Brake Pad Identification and Friction Surface Options Explained, Adapting Tremec's Popular T5 5-speed Manual to Ford's Flathead V8 Engine, Ford And Chevy Spindle Options For Solid Axle Hot Rods, Small Block and Big Block Chevy Engine Flexplate Guide. the early housings are ok for the average street performance cars. 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. Find the two-digit code under AXLE. 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 . Exclusive 9" Gear Ratios - Quick Performance 13 lovely chevy 10 bolt rear end gear ratio chart. Note the two lower bolts at 6 and 7 oclock have straight access with a socket. C-6, three-speed, automatic. When it comes down to actual shafts as well, since the truck lug The repair process requires the axle to be disassembled and thoroughly cleaned. These used what is referred to as a 1967-1973 Mustang/Cougar - light duty, thinnest housing material, small axle is by far the most abundant case being used in both full size Ford cars tubes with flat tops, 1969-1977 Galaxies (coils), Lincolns (coils), and late pickups (leaf)- 3.25 Ford 9 Inch Rear-End Widths and Potential Donor Cars - Roadkill Customs in cars and trucks. What Is Car Battery Voltage And Why Is It Important? 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. housings appeared in either 1966 or 1967 with the familiar "Hump" There are three versions with external Ns cast in; note the more curved style on the top right. 1963 Falcon 5 lug rear end questions. - FordSix Performance Forum This pinion has the tapered bearings and collapsible spacer in place. Dont Be That Guy, Reversing Gears ~ Rescuing Ones Own Derelict 1967 Pontiac GTO, How To Paint a Lace Roof on the Cheap Using Grandmas Curtains, Exploring an Antique Junkyard in the Hills of West Virginia, Engine, Transmission, Chassis Swap Donor Vehicle Look-Up, How To Box-In a Differential / Solid Axle Rear-End Housing, How To Select Proper Rear-End / Differential Gear Ratio, Install Bolt-On Disc Brake Conversion Kit on 8 and 9 Ford Rear-Ends, 1966 Ford Fairlane 427 Twin Turbo Street/Strip RestoMod Build, How To Repair a Twisted Cable End with a Simple Homemade Tool, 1928 Ford Model A Roadster Build by OL School Garage, Engine / Transmission / Chassis Donor Search, Project Cars and Part Donor Cars For Sale. * Pro Gears are specifically designed for drag race only. Performance Front & Rearends GM Vehicles You can then enter any term, such as Axle Ratio,to search the guide. Ford Rear Axle Assembly Identification - Page 01 Dec 1, 2011. Also, since this axle is used in so many circle-track race cars, the 9-inch enjoys an unparalleled availability of different gear ratios in the aftermarket. The larger offset is better for strength and noise but worse for sliding and efficiency. Ratings and reviews are provided by customers who have either purchased a vehicle or visited a dealership for service. However, the critical aspects of the rear axle are the axle flanges and axle lengths. All the Galaxies I have seen from throughout the 1960s The transmission yokes are CNC machined to assure concentricity and balance for ideal driveshaft operation. Axle Finding the location of this certification plate is easy. Here is a quick visual summary: The 1957 housings do not have dimples on them and have an oil drain plug. 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 The straddle-mounted pinion has a roller bearing in the gear case, which provides additional support for the pinion under heavy loads. This bearing is one of the reasons that the 9-inch has the reputation for being bulletproof. The tubes do not have any welds, and you just see the witness marks of the parting line for the dies on the tubes. Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale, 1967-1970 Mustang, Fairlane, Comet, Cougar, 1967-1971 Comet, Cougar, Mustang, Fairlane, 1967-1973 Mustang, Torino, Ranchero, Fairlane, 1967-1973 medium and big block Mustang and Cougar, 1966-1971 Fairlane, Torino, Montego, Comet, and other Fords with big-block engines, 1977-1981 Lincoln Versailles and Trucks . 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. WJ Handy Dad recommends safe practices when working on vehicles/homes and or with tools seen or implied in this video. Amateur restorer. 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. 1. The certification plate can be located on the lock face of the left door edge. Traditional BOM's are 6 digits followed by 1 or 2 digits and start with the numbers 60 or 61. An assortment of Ford 9-inch axle stampings is welded together to create the housing. These axles did have metal axle tags similar to the 9-inch axles but they were slowly phased out as vehicle programs were updated. Gear Ratio Chart | Revolution Gear & Axle Most of the later trucks some 302 4V cars with optional gear ratios). and this style of center carrier housing is best suited for drag cars or in cars and trucks. 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. For example, Ford says the 2018 F-350 Super Duty 4x2 regular cab pickup equipped with the 6.2-liter . Since the "Limited slip" or Locking rear end The 8-inch also was only available with 28-tooth axle shafts. Ford Axle code identification, Read more: Front Axle Of A Car: Types, Functions, And Replacement. Axle Ratios - Gary's Garagemahal (the Bullnose bible) Locate the Safety Compliance Certification Label on the driver's side front or rear door panel. 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. 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 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 same applies to vehicles with codes containing numbers alone. The rear end width is important on shoebox Fords if you want some selection on wheels. You will need to look at the Ford axle code chart to replace your Ford rear-end axle parts. Any Ford 9" carrier will fit, as long as it has a fill plug on the side. Which Ford Rear Gear Ratio is right for you - YouTube 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/. Ford differential tags are very . Because Hypoid offset is the distance between the centerline of the pinion and the centerline of the ring gear. Rear Axles - WILD HORSES Early Ford Bronco Parts Note the ring diameter cast into the housing above the pinion. You will also learn how to identify the codes in Ford vehicles. pattern in most cases differed from the car, and due to the bearing size Projector vs. Reflector: Plan to upgrade your headlights? Since the "Limited slip" or Locking rear end Ford non-overdrive transmissions include: C-4, three-speed, automatic. How to pick the right gear ratio for your needs Rusty but Rare 1976 Chevy K10 Sport Truck Revival! trucks varied more, early half ton trucks got the 28-spline axles and version of the case came into use in 1967 or in subsequent years, but it Here are the internal sides of the same three units. medianet_width = "300"; Applications: Ford Used The Dana 70 And Dana 70HD Axles In F-350 Trucks Up To 1985.5. Ford 9 inch gears - Strange Engineering I have included the narrow 8-inch axles for reference. For reference, this section from the Ford MPC is posted . 31-spline carriers and axle shafts. It was also used in the 1983-1996 full-size Bronco, and E150 Econoline . This additional bearing and, more importantly, the necessary casting support structure is what drives the larger hypoid offset. differences, 28-spline car axle shafts are much more abundant than the When you purchase through links on our site, we may earn an affiliate commission, which supports our community. About | Contact | Terms | Privacy. axleshafts. 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 Repairing a twisted brake or throttle cable with a simple homemade tool in just minutes Easy and functional. The original applications are as follows: 1. determine which axle housing many cars and trucks received. 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. I'm not responsible for incorrect information, Width: all measurements are flange to flange, Ford Rear Axle Assembly Identification - Page 01 - FORDification.com. Tip: To search theTowing Guide, press CTRL + Fto open a search box in your browser. How To Choose the Right Gear Ratio for Your Muscle Car or - MotorTrend much more difficult to locate. Chevy differentials: how to rebuild the 10- and 12 . This is a typical axle tag that has been removed from the third member. Exceptions to this were the ultra Hi performance Boss 302s, Width: all measurements are flange to flange. The desirable N-style, nodular-iron gear cases are available in four different versions. replaced, and that is why it remained in use for so long. Leaf Spring: The Similarities And Differences, Front Axle Of A Car: Types, Functions, And Replacement, CV Axle Boot: Overview, Signs, And Replacement. You can find the axle code on the Safety Standard Certification label information. Guide To Ford Truck & SUV Axles - Blue Oval Trucks 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? How do I find the Axle Ratio and Limited Slip? - Ford Motor Company 74-75 medium duty large bearing, and. socket size and 7/16" fine thread. Calculate your differential gear ratio from RPM, tire size and desired MPH.