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. All the Galaxies I have seen from throughout the 1960s The "rough" carriers both, as well as with the spline count on the axle shafts. Call 800.979.0122, 7am-10pm, everyday. 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 was an 8.75- inch ring gear in a 9-inch housing. The aftermarket Daytona-style pinion cartridge accommodates the larger and stronger pinion head bearing. of course most desirable is the N case, first used on the 427 Galaxies On some tags, the first 2 digits don't appear on the tag, but they must be used to identify the axle. It features the legendary Ford 9-inch ring and pinion strength, 5-on-5.5 lug pattern (same as older Jeep), a 65-inch width at the wheel mounting surfaces, large-bearing semi-floating axles, and many can be found with hefty 31-spline axleshafts. Some of the 9-inch truck differentials will have an exaggerated hump on the rear cover to . Click on the 'Submit' button to find out how you The last set of numbers is the vehicle plant code. Many aftermarket companies produce 9 Ford equivalent rear axles for the drag racing and hot rod industry. popular early swap being the 1957-1959 Ford for the 1965/1966 Mustang. Mustangs Produced from 1957 to 1987 by the Ford Motor Company, it was used in full size . 1967-1973 Mustang/Cougar - light duty, thinnest housing material, small axle A forum community dedicated to Ford performance owners and enthusiasts. by the size of the nuts and thread used to retain the brake backing plates Many companies, such as Currie Enterprises, Mark Williams Enterprises, Moser Engineering,and Strange Engineering, reproduce this design today. The ring and pinion are then accessed, also from the front, by removing another 10 bolts. 2.75 open differential. Careful aftermarket shops and their stringent attention to repairing these housings are able to correct many of these issues. 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. Here is an example to help you through. All the Galaxies I have seen from throughout the 1960s Measuring from axle flange to axle flange (measurement A in the diagram below) will give you total axle housing width. GM Tri 5 55-57 Chevy Complete 9" Rear End Package. with 3/8" fine thread, while the larger bearing use 11/16" Front Axle Codes While the parts catalog says "The third digit of the axle code identifies the ratio and/or capacity of the front axle", that is not true.As seen below, there are only 4 codes (2 - 5) and they do not define the axle ratio nor capacity.In fact, to find the front axle ratio you need the codes off the axle itself, as shown here: There were many instances of cuts and scratches from the thin steel tags sticking up on the axles. This roadster sounds amazing, goes hard and turns heads wherever it goes. Because of their strength, youll see these 9 inch rear ends used in just about every make of car, truck, and customs. Dont be surprised if the tag you have does not exactly match this. 76-77 large bearing. Well help you determine the correct flexplate for your Chevy engine in this buyers guide. This video is a good example of what goes into the process . This axle tag belongs to a 1977 F-150. But if youre looking for an original, they can be spotted quite readily even without an axle identifycation tag. mind as mentioned, the Fairlane spring perch distances were not the same The engines flexplate is a critical part to transferring power to your drivetrain. You will need to look at the Ford axle code chart to replace your Ford rear-end axle parts. station wagons-cars with 351 and up engines received 9-inch units - as did These variations include different-size drum brakes, disc brakes, and wheel hub arrangements. Give us a call at 800-216-1632 to get started. Both standard and W-series cases are made out of gray cast iron. 70's. There is a machined roller bearing race on the pinion head portion that points at the differential opposite thetapered bearing races. Find the word AXLE under the bar code. This is a sampling of some of them. This is a great upgrade component to use for high-power applications or if you are replacing your cartridge. Where A=the first number (static reduction), Bi=Gear diameter, Bf=Ring Gear diameter, Cf= (Crown Wheel dia.) First, the pinion shaft housing is removed from the front of the housing by removing five bolts. You can then enter any term, such as Axle Ratio,to search the guide. around 64-65 I believe.They are most often found behind the later 428CJ It has been said that it has a higher Because duty.And believe it or not, they were also used in some FE equipped Ford . This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. 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. 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. Most of the time, the differences are in shock and spring mounting brackets and, of course, brake hardware. the Broncos from 1966 to 1977, they stayed with the 28-spline units. Our experts will help you find the correct ring and pinion set for your particular application. Gross Vehicle Weight ( GVW ) would Housing end bolt patterns can be confirmed on the bottom of the axle order form. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not realistic. But to be correct, it is a 3/4 fl oat. As part of my research, I went to renowned Currie Enterprises and gathered one of just about every different 9-inch axle variant. Home / Performance Front & Rearends / Parts Department / Ring & Pinion Sets / 9-Inch Ford. A metal axle tag is typically located on the driver-side front of the third member. It's uncertain if this E 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). It was then replaced by the Ford 8.8 inch rear axle. Ford trucks and cars from 1968 onwards are equipped with the Ford Axle codes, which are clearly indicated on the certification plate. Tip: To search theTowing Guide, press CTRL + Fto open a search box in your browser. earlier housings used in cars from 1957 to mid 1960s tended to be the Many people are not aware that Ford made a smaller banjo axle and confuse the 8-inch for a 9-inch. We're 6. FORD FINAL DRIVE RATIOS. You will need to get your hands on your manufacturers axle code chart for this part. This chart serves as a general guideline for axle fl ange-to-fl ange width based on different models and production years. This larger offset (hypoid distance) between ring-gear . The entire S550 Mustang generation has had 4, due in part to the limited-slip differential option. Would very much apreciate it if someone would post it again. 67-73 medium and big block Mustangs and Cougars. Of course, if your budget allows, you can purchase an aftermarket iron case that is stronger than any factory case. 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. 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. Exceptions to this were the ultra Hi performance Boss 302s, Once you have identified the label, locate the word AXLE under the bar code section. This is an example of the brakes that fi t the small wheel end bearing for a 10 x 2-inch-wide drum brake on the left and a 10 x 1-inch on the right. C-6, three-speed, automatic. 8300 N. Austin Ave Morton Grove, IL 60053 The material and heat treating provide excellent wear service life, but doesn't handle shock loads as well as Pro 9 in gears. A 2-inch version is not shown. 31-spline carriers and axle shafts. by Ford exist in the size of the outer axle bearings in the housings and 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. The GoJak wheel dolly makes moving immobile vehicles around your shop easy as place, pump, and push! This is an example of the only Ford 9-inch version that utilized one-piece tubes. 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. For instance, if both the engine and transmission deliver up to 100 ft./lbs. The smaller 8-inch just cannot handle the abuse as its bigger brother can. 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. GM B-Body Complete 9" Rear End Packages. Most of Proceed to match the code with its corresponding Axle Ratio column on the table to find the ratio. truck housings received even beefier center carrier housings and tubes, 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. Generally, aftermarket shafts have to be purchased the few cars and early Broncos (and some early trucks) which received smooth backside. Nine Inch Rear Axle. Note the weld on the top of the axle center section along with the oval-shaped dimples on the rear section. some 302 4V cars with optional gear ratios). Restoration matching issues will be avoided since the right optioned components will be used to make the restoration. It may seem strange to begin by comparing the 8-inch to the 9-inch axle, but there is an important distinction to make since the 8-inch axle is weaker than the 9-inch. You can do this by multiplying by the gear ratio. narrowed rear ends due to the added strength in the middle. there is the letter "N" than this is a NODULAR CASE (GREAT) this 4. The Why is the Ford 9in rear end the go to rear axle for street and strip builds for over 70 years? There may be other labels attached to that pillar so pay attention to one that looks similar to the one below. The top line typically starts with a three-digit axle model code (or the prefix of the part number), followed by a dash, and then thesuffix. Therefore, these axle assemblies require better quality oil and good underbody airflow to keep the unit cool. GM Chevy S10 82-04 Complete 9" Rear End Package. The Lincoln Continental style of disc brakes use 11-inch rotors. (CROSS SECTION WIDTH x 0.ASPECT RATIO x 2 25.4) + WHEEL DIAMETER = OVERALL TIRE DIAMETER. Amateur restorer. Learn how to hook up a 1-wire alternator on your vehicle. The Ford Axle code chart is a handy tool for positraction replacements. If you don't know your gear ratio, you can calculate it by taking the number of rear . popular early swap being the 1957-1959 Ford for the 1965/1966 Mustang. 67-71 Comet, Cougar, Mustang, Fairlane = 59.25 inches. shafts. You are correct sir, these are the standard ratios for 65-66. General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. The image below shows the Safety Label of a Ford Truck. 9-Inch Standard Ring And Pinion Gear Sets (3.00 to 6.50 Ratios) $240.00. 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. 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. small bearing housing can be differentiated from a large bearing housing This allows quick gear ratio changes to accommodate different tracks or updates to your vehicles horsepower and torque ratings. GM X-Body Nova Complete Rear End Packages. Many people prefer to just call it the Ford 9-inch-style wheel end. Width: all measurements are flange to flange. duty.And believe it or not, they were also used in some FE equipped Ford 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. If you are building a 9-inch Ford rear end for your project know you have plenty of options in gear ratios, axles, bearings, brake kits, and much more! Start by opening the left drivers front door. The Final Drive Ratio shows you how many times the engine turns for one complete turn of the tires. carriers, while sometime in the early 70's the switch was made to mostly many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4 Refer to the Axle Ratio table to determine your rear axle ratio and Limited Slip. pattern in most cases differed from the car, and due to the bearing size if so is this what you are looking for. 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 and this style of center carrier housing is best suited for drag cars or Also notice the part number and metal axle tag. Identifying a differential hinges the ability to distinguish the two primary rear-end types---the 8- or 9-inch rear end---denoting ring-gear size. 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 . Using the Ford Axle code chart, you will get to negate all these issues with ease. JavaScript is disabled. Boss 429s, 427s, 428 CJ/SCJ and the 429 cars which received the These used what is referred to as a 74-75 medium duty large bearing, and. 52" Boss 429s, 427s, 428 CJ/SCJ and the 429 cars which received the 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. The first two digits of the axle code identify the ratio and capacity of the rear axle. For the Ford 9" rear end to be smaller and lighter than a Dana 60, the weight has to come from somewhere. The original applications are as follows: 1. I'm not responsible for incorrect information, Width: all measurements are flange to flange, Ford Rear Axle Assembly Identification - Page 01 - FORDification.com. 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 How To Recognize 9-Inch Housing Most of the later trucks diameter bolt circle, 1967-1973 Torinos, Rancheros, Fairlanes 59.25 inches or The unit on the top left seems to be nodular iron but requires a little more investigation to verify. pattern (same as older Jeep), a 65-inch width at the wheel mounting surfaces, Differentials take the power from the rear axle and transfer it to the rear wheels by way of special gears. 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. Theres an easy way to tell an 8-inch apart from a 9-inch. Ranger A earlier housings used in cars from 1957 to mid 1960s tended to be the The instructions below will walk you through the steps. 8. Generally most cars received the small axle bearings and 28-spline axle The (See Chapter 8 for how to install a 9-inch in a classic 1957 Chevy Bel Air as a performance upgrade.). determine which axle housing many cars and trucks received. 5.4L (including Lightning) and some 44 super cabs and higher GVWR models which were equipped with the heavier-duty 9.75-Inch rear axle. There is a very fundamental difference between Fords 8.8- and 9-inch axles. Axle Ratio = (RPM X Tire Size)/ (Speed (MPH) X 336) Example 4.88 = (2881 X 37)/ (65 X 336) In order to verify a nodular unit, you need to look on the inside of the casting. But the 9" is better in a couple respects: It's much lighter than a Dana 60. bearings, 28 and 31 splines, 57-68 passenger car and 1/2 ton truck - medium duty, stronger than Mustang replaced, and that is why it remained in use for so long. it was very complete. used the 9-inch rear, regardless of engine size. Axle Ratio : Axle Ratio : Diesel: 5.13: 4.10: 3.55: Gas: 4.10: 3.55 : Trans Ratio: . Now you can see the C4AW-4025-B part number on the lower left unit, which verifies it as a nodular unit. The most The primary purpose of this plate is to show you if your vehicle is equipped with a limited-slip to rear-end differential. other Ford Ranger enthusiasts. Measuring for your 9-inch axles requires a few basic measurements to be taken. The rear end width is important on shoebox Fords if you want some selection on wheels. I put together a whole collection of housings and third members. Visit the RV & Trailer Towing Guides page on the Ford fleet website. Remember this is the RPM based on no slippage at the torque converter so your actual RPM will be different during acceleration or times when the torque converter is slipping.3.55 gear: https://amzn.to/2HMrffx3.73 gear: https://amzn.to/2r0MakF4.10 gear: https://amzn.to/2JouvuH#wjhandydad #crownvic #reargear #gearratio #DIYhttp://www.WJHandyDad.comDisclaimer:Due to factors beyond the control of WJ Handy Dad, I cannot guarantee against improper use or unauthorized modifications of this information. Are reviews modified or monitored before being published? common carrier housing found is the C7AW-E. The Ford 10.25-Inch Rear Axle Replaced The Dana 70 After 1985. 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. So dont be surprised that most of these axles leak from the welds. 1957 . 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. The 8.8 is a traditional semi-fl oat Salisbury axle with C-washers for axle retention. 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 certification plate can be located on the lock face of the left door edge. One exception to this was them. 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. Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. 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. The BOM will identify the model number, the gear ratio, the type of differential, and all component parts. Most 1972 and earlier 31-tooth spline shafts can be shortened and 1973 and later versions typically cannot be resplined. For example, Ford says the 2018 F-350 Super Duty 4x2 regular cab pickup equipped with the 6.2-liter . (narrowest 9-inch housing), 1966-1977 Bronco 58 inches but has 5-on-5 1/2 inch N-case. Ray. On this particular third member, the original copper washers that were under the factory fasteners have been discarded as well. It is a column with the label AXLE on top and the Axle Code at the bottom. The axle code in our example, H9, has a specific meaning. The repair process requires the axle to be disassembled and thoroughly cleaned. Ford differential tags are very . 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.
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