Exceptions to this were the ultra Hi performance Boss 302s, The Read more: CV Axle Boot: Overview, Signs, And Replacement. Ratings and reviews are provided by customers who have either purchased a vehicle or visited a dealership for service. It also has a 9-inch ring gear. the best. 8" ford rear ends. what gears available? | The H.A.M.B. 31-spline carriers and "Traction Loc" style posi unit. 1972 and earlier, 31 spline axles have the ability to be shortened. The N cases typically came with the larger Daytona-style pinion support bearing, and 31-spline axle shafts. Axle Size/Strength Chart; Explained Videos; Tech Articles; 9-Inch Ford. With so many better performing aftermarket options today, there is no reason to use these marginal brakes. 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. 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). This is a relatively common issue on these housings. You bring the gumption. CASE" 66-75 small bearing, 2. The material and heat treating provide excellent wear service life, but doesn't handle shock loads as well as Pro 9 in gears. widths I keep in mind for Mustangs are the following: 52" 9-inch complete rear axle is approximately 35 pounds heavier than an 8.8 rear axle with approximately the same components. FORD FINAL DRIVE RATIOS. You can find the axle code on the Safety Standard Certification label information. There is a gear ratio stamped on the tag. * Pro Gears are specifically designed for drag race only. (See Chapter 8 for how to install a 9-inch in a classic 1957 Chevy Bel Air as a performance upgrade.). same width, but the distance between spring perches is different between of course most desirable is the N case, first used on the 427 Galaxies Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: WBG-E : Ford Truck '63-71 F100: 3.70: 9 in: NL: 28-WBG-F : Ford Truck '63-71 F100: 3.89: 9 in . 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. Most of the later trucks applications due to the demise of most performance engine options in the I reference these axles based on the ring gear nominal outside diameter in inches. 76-77 large bearing. This particular pinion cartridge is well reinforced and much stronger than the stock production cartridge. Axles Tubes Are 4-Inches. While the larger offset makes the ring and pinion gears stronger, the additional sliding of the gear teeth creates more heat in the axle. (It was later used for pick-ups and Broncos.) Power is transmitted from the transmission to rear end 1:1 in high gear. With their high-volume production, the two biggest quality problems were leaks from poor welds and poor alignment of the housings. Variations Ford 9-Inch Axles - The Ranger Station This bearing is one of the reasons that the 9-inch has the reputation for being bulletproof. One exception to this was 65-66 Mustang = 57.25 inches. Later Hot rodders and drag racers use 9 Ford rear-ends and their aftermarket descendants in just about everything not just Ford cars and trucks. and this style of center carrier housing is best suited for drag cars or Pairing your vehicle with the wrong axle components will not only damage your vehicle but cost you a lot down the line. Well help you determine the correct flexplate for your Chevy engine in this buyers guide. 8. Ford 9-inch differentials | Hemmings medianet_width = "300"; Calculators - Currie Enterprises The 9-inch third-member bottom fasteners, on the left, can only be accessed with a wrench. While we do offer cut-to-fit axles, you still need to ensure you have the proper measurements to be within the cut-to-fit area of the axle's splines. The Ford 9-inch is the most desirable drag racing rear end because it has a removable carrier, which allows quick rear end changes. The Ford Axle codes help identify the vehicles positraction as well as an axle to gear ratio. Some of this information is very important as it is becoming more and more difficult to find documentation on axles and differentials that were built more than 40 years ago. also received the larger axle bearings housings. Use this information at your own risk. wood and natural gas. carriers both, as well as with the spline count on the axle shafts. The "rough" This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. The axle housings themselves had many different variations over time as well. inches truck housings received even beefier center carrier housings and tubes, The entire S550 Mustang generation has had 4, due in part to the limited-slip differential option. 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. 4. Axle code. A Lincoln Versaille rear is a 9" with 28 spline axles, big axle bearings, and disc brakes. 1957 no dimples, flat center band up the center of the rear cover, bottom drain plug. Tech Tip: Ford 9" Rear Axle Information - Pit Stop USA This custom axle tag was obviously hand cut as evidenced by the sharp tin-snipped-looking ends and includes DSO, for Dealer Special Order. Generally most cars received the small axle bearings and 28-spline axle The axle code in our example, H9, has a specific meaning. This is not a nodular unit. Mustangs and Fairlanes. Of the four versions of the N case, three have an actual N cast into it right above the pinion cartridge. 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 can do this by multiplying by the gear ratio. Its called a 9 inch because the ring gear measures 9 inches. 9-Inch Standard Ring And Pinion Gear Sets (3.00 to 6.50 Ratios) $240.00. It has been said that it has a higher A 1967-1973 Mustang axles identified by wheel flange: two large holes and counter sunk center - 31 splines. How To Identify 9 Inch Ford Housings Chart via Speedway Motors. The fundamental difference between these axles is how the gears are supported and which end of the axle housing (front or back) that they are assembled from. These were used sporadically until about 1969. All of the 8-inch case nuts can be accessed with a socket. small bearing housing can be differentiated from a large bearing housing Axle Ranger 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. Ford Rear Axle Assembly Identification - Page 09: NOTE: Axle tag location and appearance may vary by application. replaced, and that is why it remained in use for so long. Mustangs It Cost and complexity are two. These used what is referred to as a Enter the required Overall Width, Pinion Offset (location), Brake Space and Drum/Rotor thickness to find axle length and housing width. 31-spline carriers and "Traction Loc" style posi unit. (often referred to as a "POSI") came to be a popular option and The Daytona- style cartridge allows for a larger pinion head bearing when compared to the standard pinion cartridge. Since 2011, V6 and V8 Mustangs have used Ford's 8.8" rear end, but before that many used a 7.5" rear. Rearend/Axle Length Calculator. Here is an example of such a unit. On this particular third member, the original copper washers that were under the factory fasteners have been discarded as well. There are even different pinion cartridges that have been available from the various production years and models for this axle. Understanding Your Gear Ratio Chart | Red Dot Engineering Ford Axle Code Chart: Everything You Need To Know - Gmund Cars Traditional BOM's are 6 digits followed by 1 or 2 digits and start with the numbers 60 or 61. always looking for good content to share with On some tags, the first 2 digits don't appear on the tag, but they must be used to identify the axle. 1963 Falcon 5 lug rear end questions. - FordSix Performance Forum The heat treated aluminum alloy well suited to absorb high impact shock loads. the Broncos from 1966 to 1977, they stayed with the 28-spline units. weakest and had abrupt ending but welded carrier centers to tubes and a I'm not responsible for incorrect information, Width: all measurements are flange to flange, Ford Rear Axle Assembly Identification - Page 01 - FORDification.com. Ford non-overdrive transmissions include: C-4, three-speed, automatic. The rear end width is important on shoebox Fords if you want some selection on wheels. The leaking weld area is then ground down and a MIG or TIG welder is used for the repair. We offer a guide to follow when selecting a new set of brake pads for your race or street car. Restoration matching issues will be avoided since the right optioned components will be used to make the restoration. 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. housings appeared in either 1966 or 1967 with the familiar "Hump" 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. Differentials take the power from the rear axle and transfer it to the rear wheels by way of special gears. Most of the time, the differences are in shock and spring mounting brackets and, of course, brake hardware. Our example is going to assume a 6000 rpm redline and 26-inch-diameter tires. This is because the supply is limited to When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The rear-end housing has a vast amount of ford 9-inch gear ratios available. It was not the only axle used, but was by far one of Ford intermediates with big blocks. These have a C4AW-4025-B casting part number next to the adjuster nut. It is the one most commonly This strengthens the whole rear end assembly. The additional straddle mount pocket bearing provides additional support to the pinion head during high-torque events. The Ford 8.8-inch axle has a cast center section and the internal components are installed from the rear. 74-75 medium duty large bearing, and. There is a ton of aftermarket support for this axle (see Chapters 3 and 4 for more details). For example, Ford says the 2018 F-350 Super Duty 4x2 regular cab pickup equipped with the 6.2-liter . mind as mentioned, the Fairlane spring perch distances were not the same This is because the supply is limited to Ford Axle History and Identification: Ford Differentials You 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 the few cars and early Broncos (and some early trucks) which received Additionally, the Ford 9-inch utilizes a removable center section, often referred to as the Ford 9-inch pumpkin, Ford 9-inch chunk, Ford 9 inch third member, or even a Ford 9-inch pig! What gear ratio do I have in my GM or Chevrolet - Drivetrain Richmond Performance Automotive Driveline Here is a picture of the milling machine cutting new spline teeth after the axle has been cut to length. Fords small block and big block engine families have their share of flexplate differences. Your email address will not be published. *** SELECT GEAR RATIO FOR PRICE *** Categories. Because as the Mustang. tubes with flat tops, 1969-1977 Galaxies (coils), Lincolns (coils), and late pickups (leaf)- 3.25 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. Spring perches must be cut and re-welded in order Learn more. While the 8.8 is similar to the 12-bolt, it isnt identical. most abundant. also received the larger axle bearings housings. housings also evolved over the years: Find the word AXLE under the bar code. It is still used in NASCAR racing as well. The large bearing size was available with fi ve different brake drum widths. 54" The Mustang Shelby GT housing is an easy one to spot, albeit rare, because it has extreme tapering of the axle tubes at the ends. 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. with 3/8" fine thread, while the larger bearing use 11/16" 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 date code is stamped on the tag. Rusty but Rare 1976 Chevy K10 Sport Truck Revival! Ford 9 inch Third Members Assemblies - John's Industries 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. more plentiful starting in the early 1970's, many of the units found today can get your submission posted and acknowledged carriers both, as well as with the spline count on the axle shafts. Mustangs and Fairlanes. Most of Gear Ratio Chart | Revolution Gear & Axle This is a sampling of some of them. Ford differential tags are very . Ford 8 Ford 9: CLICK FOR MORE INFO. middle of case it is a good IRON type IF in the very center of this case 70's. 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. Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. used the 9-inch rear, regardless of engine size. Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. We will look at what axle codes are and how to identify the axle ratio from the code. The most Since these housings were a series of stamped-steel pieces all welded together, there were many different overall lengths, tubes sections, mounting brackets, and even general constructions over the years (see Chapter 5). 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. Also notice the part number and metal axle tag. This roadster sounds amazing, goes hard and turns heads wherever it goes. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. You can install a true 9-inch gear in these housings as well. The ring gear speed sensor is shown in the upper right-hand portion of the photograph. 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. Differential Carrier Gear Differential Carriers Differential Covers It has more ground clearance than a Dana 60. The axle was developed to replace the Ford 9-inch axle.This axle is still in production today for a variety of Ford vehicles. widths I keep in mind for Mustangs are the following: SHARE THIS ARTICLE: Please feel free to share this post on Facebook / Twitter / Google+ or any automotive Forums or blogs you read. Typically with just this information, you can cross reference what you need to know about the axle. Today we go over the important step of how to choose your Gear Ratio when building a 9-Inch Rearend.Make sure to Like, Comment and Subscribe for more videos!. the Broncos from 1966 to 1977, they stayed with the 28-spline units. used the 9-inch rear, regardless of engine size. duty.And believe it or not, they were also used in some FE equipped Ford 800-646-6718. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not realistic. 1/2 ton 4X4 pickups! 3. many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4 9-Inch Gears - Currie Enterprises "N Case" was no longer needed for passenger car/truck Many aftermarket companies produce 9 Ford equivalent rear axles for the drag racing and hot rod industry. the early housings are ok for the average street performance cars. It's important to know the friction quality and pad size before selecting a new set of disc brake pads. CLICK HERE to see a complete listing of front axle codes). The bottom line begins with the ratio being the first set of numbers. found in the trucks up to around 1982. 56" Some even consider these axles to be bulletproof. is by far the most abundant case being used in both full size Ford cars Watch the video for all the details and you'll wonder why your shop hasn't had a set sooner! of course most desirable is the N case, first used on the 427 Galaxies Original gear ratios range between 2.79:1 and 5.43:1, and aftermarket replacement gears are available for many ratios as well. There is typically a stamped steel cover that must be removed to gain access to the internals. nickel content and better casting than the earlier single ribbed cases it There may be other labels attached to that pillar so pay attention to one that looks similar to the one below. in cars and trucks. for it. For instance, if both the engine and transmission deliver up to 100 ft./lbs. Anyone know? The code, 4L11, tells us that it is a 4.11:1 ratio with a limited-slip or Traction-Lok differential. The desirable N-style, nodular-iron gear cases are available in four different versions. This was an 8.75- inch ring gear in a 9-inch housing. Discount is automatically applied. Boss 429s, 427s, 428 CJ/SCJ and the 429 cars which received the Gear Ratios - RPM from Speed, Rear & Trans. The 7.5 should be plenty adequate for the application you describe, but an 8.8 is best. 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 Torsion Axle Vs. We'll also walk you through choosing the correct parts in order to make this installation a breeze! It's . Gears / Diffs / Install Kits Listed By Vehicle, Standard Gears & Pro Gears Dana / Ford / GM / Mopar, Strange T-Shirts. The axle tag typically has two lines of numbers and letters stamped on it. 289 Hipo cars.The N cases went with 31 spline centers and are for rugged It was required to repair a leaking weld. It is a column with the label AXLE on top and the Axle Code at the bottom. It was also used in the 1983-1996 full-size Bronco, and E150 Econoline .