can easily tell this is a 9-inch from the hump in the rear and (2)
for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes
Notice that the date code is C9UA with the ring gear size of 8.7. Note the two lower bolts at 6 and 7 oclock have straight access with a socket. The
Ford 9-inch differentials | Hemmings 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 case
If the case has two verticle RIBS ,from top to
1963 Falcon 5 lug rear end questions. - FordSix Performance Forum the axle from around the 1957 model year right up until the early 1980s
The 9-inch third-member bottom fasteners, on the left, can only be accessed with a wrench. Ford Axle code identification, Read more: Front Axle Of A Car: Types, Functions, And Replacement. We offer Ford Racing ring and pinion gear sets in 3.55, 3.73, 4.10 and 4.56:1 gear ratios for solid axles, as well as Motive Gear's 3.90 and 4.30:1 gear sets. 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. 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. This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. only need to carry one spare should you choose to. It is as easy to cut down as any other 8 or 9 inch Ford axel. How To Identify 9 Inch Ford Housings Chart via Speedway Motors. Ford differential tags are very . There may be a second dash and more numbers and letters on the top row if there are specifics that are unique for interchange information. The 10,41 gear ratio is also great for off-road activities . The axle tag typically has two lines of numbers and letters stamped on it.
Hypoid offset is the distance between the centerline of the pinion and the centerline of the ring gear. The narrowest production 9-inch axle is 56.375 inches. Keep in
GM G-body 78-87 Complete 9" Rear End Package. (often referred to as a "POSI") came to be a popular option and
Exceptions to this were the ultra Hi performance Boss 302s,
Ford Rear Axle Assembly Identification - Page 09: NOTE: Axle tag location and appearance may vary by application. 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? You are looking for a nodular iron case, with its telltale N cast into the front or inside wall. The ring gear speed sensor is shown in the upper right-hand portion of the photograph. CLICK HERE to see a complete listing of front axle codes). 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. All the Galaxies I have seen from throughout the 1960s
Axle Ratios - Gary's Garagemahal (the Bullnose bible) About | Contact | Terms | Privacy. Also notice the part number and metal axle tag. the best. 66-75 large bearing, 3. I reference these axles based on the ring gear nominal outside diameter in inches. 67-71 Comet, Cougar, Mustang, Fairlane = 59.25 inches. the Broncos from 1966 to 1977, they stayed with the 28-spline units. These tags provided information for the service technicians but wasnt that important for the vehicle assembly plants. around 64-65 I believe.They are most often found behind the later 428CJ
The date code is stamped on the tag. There were many instances of cuts and scratches from the thin steel tags sticking up on the axles. These axles even have a unique bolt pattern of five on 5 inches. Generally most cars received the small axle bearings and 28-spline axle
The 1960s to 1967s still retain the dimples but also have an oil level plug in the back cover. 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. Width: all measurements are flange to flange. Start by opening the left drivers front door. The complete guide to master any grease gun, Battery vs. Starter vs. Alternator: How to jumpstart even the most stubborn of car. popular early swap being the 1957-1959 Ford for the 1965/1966 Mustang. 100 x 4.12. (See Chapter 8 for how to install a 9-inch in a classic 1957 Chevy Bel Air as a performance upgrade.). Rearend/Axle Length Calculator. and Fairlane axle housings are often grouped together because they are the
But if youre looking for an original, they can be spotted quite readily even without an axle identifycation tag. for 1967-1970 (same as 1966-1969 Fairlane, Torino, Comet & Cyclone non
middle of case it is a good IRON type IF in the very center of this case
allow larger ring gear to fit. Select the Towing Guide for your vehicle's model year. shafts. The Ford 10.25-Inch Rear Axle Replaced The Dana 70 After 1985. 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. 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. Ford 9 inch Gears. All the Galaxies I have seen from throughout the 1960s
Remember to locate the Safety Standard Certification label on the left side door post as you open the door. Most of
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 . Many people are not aware that Ford made a smaller banjo axle and confuse the 8-inch for a 9-inch. How do I find the Axle Ratio and Limited Slip? Ford intermediates with big blocks. 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. 74-75 medium duty large bearing, and. For example: The tag will say: 350 for 3.50:1 ring and pinion gear ratio. Come join the discussion about popular models such as the Mustang, Galaxie, Falcon, Fairlane, Torino, Shelby and many more! "N
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. Ford 8 Ford 9: CLICK FOR MORE INFO. You
Now that you have identified the axle code, let us know the axle ratio.
Ford Rear End Ratio Chart - metropartsmarket.com Gear Ratio Chart | Revolution Gear & Axle but the link i was refering to listed codes by year and model. For reference, this section from the Ford MPC is posted . Pairing your vehicle with the wrong axle components will not only damage your vehicle but cost you a lot down the line. nickel content and better casting than the earlier single ribbed cases it
The Ford Explorer uses an independentstyle Carrier made out of cast aluminum. The date code on this axle tag is 7AC, and it corresponds to the 7th year, 1st month (January), and 3rd day. 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. Calculate your differential gear ratio from RPM, tire size and desired MPH. These used what is referred to as a
That is your vehicles axle code. used the 9-inch rear, regardless of engine size. The 9-inch ring and pinion is front-loaded into the rear end housing. Check it out. Generally, aftermarket shafts have to be purchased
When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. by the size of the nuts and thread used to retain the brake backing plates
small bearing housing can be differentiated from a large bearing housing
other Ford Ranger enthusiasts.
Ford Axle Code Chart: Everything You Need To Know - Gmund Cars Most have the two driving holes for the manufacturing process while one has a more square looking drive end. Boss 429s, 427s, 428 CJ/SCJ and the 429 cars which received the
Ring Gear/Pinion Gear Teeth to Gear Ratio. 31-spline car shafts. 70's. 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.. it was very complete. Our Mopar flexplate buyers guide will help. The
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. 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. as the Mustang. If the socket fits (as shown in our photo below) it is a Ford 8-inch housing. Projector vs. Reflector: Plan to upgrade your headlights? The following chart of Tire sizes and axle gear ratios are meant to give a general idea of the relationship between the differential gear ratio and the tire size and what effect the ratio has on power output and fuel economy. You
The Ford Axle code chart is a handy tool for positraction replacements. The Ford 8.8-inch axle has the same ring gear mounting distance (see Chapter 7) for all ratios, just like the 9-inch. 31-spline carriers and "Traction Loc" style posi unit. 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. Customers are invited to participate in a survey administered by MaritzCX, an independent, third-party supplier. It's important to know the friction quality and pad size before selecting a new set of disc brake pads. N-case. version of the case came into use in 1967 or in subsequent years, but it
Axle Ratio = (RPM X Tire Size)/ (Speed (MPH) X 336) Example 4.88 = (2881 X 37)/ (65 X 336) differences, 28-spline car axle shafts are much more abundant than the
for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch
differences, 28-spline car axle shafts are much more abundant than the
Any sufficiently advanced technology is indistinguishable from magic . Using the correct part is imperative to engine longevity and proper drivetrain assembly. There are several reasons for this. Of the four versions of the N case, three have an actual N cast into it right above the pinion cartridge. 31-spline carriers and axle shafts. The fourth version did not have the N in the casting on the outside but still retained the rib structure. Leaf Spring: The Similarities And Differences. Why is the Ford 9in rear end the go to rear axle for street and strip builds for over 70 years? Rusty but Rare 1976 Chevy K10 Sport Truck Revival! much more difficult to locate. Ranger
found in the trucks up to around 1982. The axle code in our example, H9, has a specific meaning. them. 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. Some axle shafts can be shortened and a new spline machined in place. This is a typical axle tag that has been removed from the third member. 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. 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. Tip: To search theTowing Guide, press CTRL + Fto open a search box in your browser. 2. Mismatching issues are a big problem when it comes to automotive repairs.
Ford Axle History and Identification: Ford Differentials The primary purpose of this plate is to show you if your vehicle is equipped with a limited-slip to rear-end differential. Fords small block and big block engine families have their share of flexplate differences. the few cars and early Broncos (and some early trucks) which received
The
These third members are the strongest of the production cases and the most desired. 1960-1967 two dimples, flat center band, oil level hole in the back cover. This case looked like a nodular unit from the front regarding rib structure but did not have the N on it. Along with the many different brake and wheel end varieties, many different styles of axle shaft ends were manufactured. There is a gear ratio stamped on the tag. A simple formula to calculate Gear Ratio or Axle Ratios.
There are 4 different sets of rear axles that would have come stock in 66-77 Broncos. with 3/8" fine thread, while the larger bearing use 11/16"
54"
About 8 months ago, I came across someone who had a very complete model, ratio chart for 9 in rears, After a computer crash, I have lost it.
Factory Original Gear Ratio | Vintage Mustang Forums SHARE THIS ARTICLE: Please feel free to share this post on Facebook / Twitter / Google+ or any automotive Forums or blogs you read. This is when making a few phone calls to reputable axle builders can be helpful. General Motors rear end differentials are referred to by the diameter of the ring gear, i.e.
PDF Differential ID Chart - Summit Racing Equipment Note the weld on the top of the axle center section along with the oval-shaped dimples on the rear section.
Chevy Rear End Gear Ratio Chart - Autos Hub Ford Axle codes help identify the vehicles positraction as well as an axle to gear ratio. From my piles of rare parts, here is an independent cast-iron 8.8-inch carrier axle. GM Truck Complete Rear End Packages. The transmission yokes are CNC machined to assure concentricity and balance for ideal driveshaft operation. and trucks throughout the 1970s. 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. And you can find the axle code charts on the internet from your manufacturer. for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch
One exception to this was
It was then replaced by the Ford 8.8 inch rear axle. 9-Inch Standard Ring And Pinion Gear Sets (3.00 to 6.50 Ratios) $240.00. If you liked this article you will LOVE the full book. The same applies to vehicles with codes containing numbers alone. Housing end bolt patterns can be confirmed on the bottom of the axle order form. 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
77-81 Lincoln Versailles. by Ford exist in the size of the outer axle bearings in the housings and
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carriers, while sometime in the early 70's the switch was made to mostly
No. many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4
socket size and 7/16" fine thread. Later
If you are fortunate enough to find an axle with the identification tag still attached, it will help solve part of the mystery of what application the axle came from and what might still be inside. The WAR, WAA, and WAB cases have the same ribbing as the N case, but are missing the ever important N feature.
How do I find the Axle Ratio and Limited Slip? - Ford Motor Company The
i.e. Axle
For a better experience, please enable JavaScript in your browser before proceeding. Paint gmc dupont charts reference chart 1956 1959. It also has a 9-inch ring gear.
1940 Ford Banjo Rearend - Rod & Custom Magazine - MotorTrend These first became available on the 1964 Galaxies with the 427-ci engine and were found on many higher horsepower cars and trucks. The certification plate can be located on the lock face of the left door edge. The Daytona- style cartridge allows for a larger pinion head bearing when compared to the standard pinion cartridge. Both 8- and 9-inch axle housings are made from a series of stampings that are fixtured and welded together. earlier housings used in cars from 1957 to mid 1960s tended to be the
Watch the video for all the details and you'll wonder why your shop hasn't had a set sooner! Find the word AXLE under the bar code. This is a relatively common issue on these housings. Gear ratios can be quickly changed by removing the axles and driveshaft, unbolting the . This strengthens the whole rear end assembly. All of the 8-inch case nuts can be accessed with a socket. 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. With its 2.250-inch offset, the Ford 9 inch gears hypoid distance is greater than popular competitors, most of which are at 1.5 inches or even less. The large bearing size was available with fi ve different brake drum widths. 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. Richmond Tech Support. 67-73 medium and big block Mustangs and Cougars. Would very much apreciate it if someone would post it again. Spring perches must be cut and re-welded in order
This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. the Broncos from 1966 to 1977, they stayed with the 28-spline units. if one wants to use a 31-spline truck carrier in a car. version of the case came into use in 1967 or in subsequent years, but it
Some of the heavier cars like the Galaxies also received the
31-spline axles and carriers for most trucks. carriers both, as well as with the spline count on the axle shafts. The 28-tooth axle shafts are typically tapered and cannot be shortened. We can teach you some of the major differences between the Ford and GM-style T5 Flathead transmission adapter kits. How To Recognize 9-Inch Housing
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 . Gross Vehicle Weight ( GVW ) would
C-6, three-speed, automatic. Repairing a twisted brake or throttle cable with a simple homemade tool in just minutes Easy and functional. 3. "N Case" was no longer needed for passenger car/truck
Proceed to match the code with its corresponding Axle Ratio column on the table to find the ratio. housings appeared in either 1966 or 1967 with the familiar "Hump"
These variations include different-size drum brakes, disc brakes, and wheel hub arrangements. widths I keep in mind for Mustangs are the following:
The Ford version uses larger axle shafts and different lube flow strategy.