ford 9 inch rear end gear ratios chart

Repairing a twisted brake or throttle cable with a simple homemade tool in just minutes Easy and functional. The primary purpose of this plate is to show you if your vehicle is equipped with a limited-slip to rear-end differential. *** SELECT GEAR RATIO FOR PRICE *** Categories. actual car posi units, which were primarily 28-spline carriers, can be This video is a good example of what goes into the process . - as in the Mustang line, most however never received a factory 9-inch). "N popular early swap being the 1957-1959 Ford for the 1965/1966 Mustang. only need to carry one spare should you choose to. 2. It was in production on many Ford cars and trucks, first appearing in 1957 and finally replaced by the Salisbury-style 8.8-inch axle in 1986, saving about 50 pounds and boasting increased efficiency. 1967-1973 Mustang, Torino, Ranchero, Fairlane 9-inch Gears / Diffs / Install Kits Listed By Vehicle, Standard Gears & Pro Gears Dana / Ford / GM / Mopar, Strange T-Shirts. Dive into some of the history and unique differences between Ford and Chevy spindles for solid front axles and what will perform best on your hot rod. Ford differential tags are very . truck housings received even beefier center carrier housings and tubes, The engines flexplate is a critical part to transferring power to your drivetrain. Notice the 8.0-inch ring gear diameter cast into the rear cover below the fill plug. The transmission yokes are CNC machined to assure concentricity and balance for ideal driveshaft operation. None of which changes the strength of the axle shaft. Calculating the torque multiplication that your axle gears provide is quite easy. shafts. 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). Hot rodders and drag racers use 9 Ford rear-ends and their aftermarket descendants in just about everything not just Ford cars and trucks. 1/2 ton 4X4 pickups! The exception is the 2002-2003 Ford Explorer Sport which still used the solid rear 8.8-Inch axle. The Ford 9 inch rear end is one of the most popular axles in automotive history. When you buy through our links, we may get a commission. The 9-inch housings center section will not allow the socket to clear, and you must remove the two bottom retaining nuts with a boxed end wrench. You Like the H in our case shows a car with a limited-slip differential. 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. 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. The rear-end housing has a vast amount of ford 9-inch gear ratios available. The smaller 8-inch third member is on the right. 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 When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 9-Inch Standard Ring And Pinion Gear Sets (3.00 to 6.50 Ratios) $240.00. socket size and 7/16" fine thread. The Ford 8.8-inch is very similar to the General Motors (GM) 878-inch, 12-bolt axle. With 568 Ford 9 Inch Parts for sale, you're sure to find the ideal parts . Keep in How To Identify 9 Inch Ford Housings Chart via Speedway Motors. Ford used There are even different pinion cartridges that have been available from the various production years and models for this axle. The other identification information, 9, as observed from the chart, indicates a 3.55 gear ratio of the Ford F-150. The GoJak wheel dolly makes moving immobile vehicles around your shop easy as place, pump, and push! Fords small block and big block engine families have their share of flexplate differences. Some of the 9-inch truck differentials will have an exaggerated hump on the rear cover to . Hypoid offset is the distance between the centerline of the pinion and the centerline of the ring gear. Dana 50 - Ford Front Dana 60 - Standard or Reverse Rotation Ring Gear Diameter: 9" / 229mm Ring Gear Diameter: 9.75" / 248mm Pinion Diameter / Spline: 1.375" / 26 Pinion Diameter / Spline: 1.625" / 29 Ring Gear Bolts: (10) 7/16"x20 RH Ring Gear Bolts: (12) 1/2"x18 RH Cover Bolts: 10 Cover Bolts: 10 Carrier Breaks: None Carrier Breaks: 4.10 / 4.56 shafts. 4. 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. version of the case came into use in 1967 or in subsequent years, but it This chart serves as a general guideline for axle fl ange-to-fl ange width based on different models and production years. The Pairing your vehicle with the wrong axle components will not only damage your vehicle but cost you a lot down the line. the few cars and early Broncos (and some early trucks) which received duty.And believe it or not, they were also used in some FE equipped Ford It's uncertain if this E determine which axle housing many cars and trucks received. Most 1972 and earlier 31-tooth spline shafts can be shortened and 1973 and later versions typically cannot be resplined. When narrowing a Ford 9 inch rear end, the first step is determining the overall length you need. Call 800.979.0122, 7am-10pm, everyday. The Lincoln LS and Jaguar S-type were equipped with an 8-inch, castaluminum, independent- style carrier. This is a typical axle tag that has been removed from the third member. There may be other labels attached to that pillar so pay attention to one that looks similar to the one below. Ford Axle code identification, Read more: Front Axle Of A Car: Types, Functions, And Replacement. can get your submission posted and acknowledged A The smaller 8-inch just cannot handle the abuse as its bigger brother can. The Ford Axle code will also help you identify your particular models engine capacity and the year/vehicle make. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. housings appeared in either 1966 or 1967 with the familiar "Hump" 1972 and earlier, 31 spline axles have the ability to be shortened. Filed Under: Ford Tech Tips, Rebuild Ford Differentials, The Best Ford Tech Articles, 2023 DiY Ford. The larger offset is better for strength and noise but worse for sliding and efficiency. larger wheel bearing housings. It is a column with the label AXLE on top and the Axle Code at the bottom. mind as mentioned, the Fairlane spring perch distances were not the same 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: The Lincoln Continental style of disc brakes use 11-inch rotors. Since 2011, V6 and V8 Mustangs have used Ford's 8.8" rear end, but before that many used a 7.5" rear. $(document).ready( function () {$('#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. Mustangs With the chart in hand, locate your vehicles axle code on the axle code column. The WAR, WAA, and WAB cases have the same ribbing as the N case, but are missing the ever important N feature. Axles Tubes Are 4-Inches. for it. I'm not responsible for incorrect information, Width: all measurements are flange to flange, Ford Rear Axle Assembly Identification - Page 01 - FORDification.com. the axle from around the 1957 model year right up until the early 1980s Use this information at your own risk. 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. The case Learn more. Written by Joe Palazzolo and Republished with Permission of CarTech Inc. This chart applies to all Ford non-overdirve transmissions, manual and automatic. Watch the video for all the details and you'll wonder why your shop hasn't had a set sooner! 4. 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.. The close-ratio and C4 289HP trans were mated to the 3.50, and occasionally to the 3.89 and 4.11. The Ford Axle code chart is a handy tool for positraction replacements. 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. inch diameter all the way to the backing plate, coil housings have upper If your vehicle has a Limited Slip Differential, it will be noted as Limited Slip. Well help you determine the correct flexplate for your Chevy engine in this buyers guide. The middle number is the ring gear diameter in inches, typically an 8 or 9. diameter bolt circle, 1967-1973 Torinos, Rancheros, Fairlanes 59.25 inches or actual car posi units, which were primarily 28-spline carriers, can be 2.75 open differential. One exception to this was We stand behind our products with some of the smartest technicians in the industry. Ford codes may have one or two characters, but any code starts with a letter. 13 lovely chevy 10 bolt rear end gear ratio chart. GM F-Body Complete 9" Rear End Packages. The ranger truck works good with a 9-inch from a station wagons-cars with 351 and up engines received 9-inch units - as did The certification plate can be located on the lock face of the left door edge. If you liked this article you will LOVE the full book. allow larger ring gear to fit. Measuring for your 9-inch axles requires a few basic measurements to be taken. If the case has two verticle RIBS ,from top to On some tags, the first 2 digits don't appear on the tag, but they must be used to identify the axle. The code, 4L11, tells us that it is a 4.11:1 ratio with a limited-slip or Traction-Lok differential. What Is Car Battery Voltage And Why Is It Important? An assortment of Ford 9-inch axle stampings is welded together to create the housing. trucks varied more, early half ton trucks got the 28-spline axles and Along with the many different brake and wheel end varieties, many different styles of axle shaft ends were manufactured. of course most desirable is the N case, first used on the 427 Galaxies This pinion has the tapered bearings and collapsible spacer in place. 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. Ford 9-inch can be found under 1974-1986 F-150s and 1978-1986 Broncos. 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 . 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/. 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. It is as easy to cut down as any other 8 or 9 inch Ford axel. The WFE-V2 helps us fi nd the decade of the 1970s. if one wants to use a 31-spline truck carrier in a car. in the backside middle and stronger tubes. Some axle shafts can be shortened and a new spline machined in place. While the iron is molten, magnesium is added to increase the shear strength of the alloy. This is a relatively common issue on these housings. You are looking for a nodular iron case, with its telltale N cast into the front or inside wall. These axles even have a unique bolt pattern of five on 5 inches. Many aftermarket companies produce 9 Ford equivalent rear axles for the drag racing and hot rod industry. This was an 8.75- inch ring gear in a 9-inch housing. Gross Vehicle Weight ( GVW ) would nickel content and better casting than the earlier single ribbed cases it This includes the Center Case, the Pinion gear, the ring gear, and the differential or spool. The Ford Aerostar: The 8.8-Inch axle . Refer to the Axle Ratio table to determine your rear axle ratio and Limited Slip. This is a major advantage compared to other rear axle systems because disassembly is faster and more convenient. These variations include different-size drum brakes, disc brakes, and wheel hub arrangements. Standard Ford 9 inch gear sets are primarily used in street applications. 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. The original applications are as follows: 1. 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 Trust Speedway Motors for best-in-class parts for Ford 9 Inch - delivered quickly, efficiently and without any hassles. smooth backside. earlier housings used in cars from 1957 to mid 1960s tended to be the there is the letter "N" than this is a NODULAR CASE (GREAT) this We offer a guide to follow when selecting a new set of brake pads for your race or street car. Ford 8 Ford 9: CLICK FOR MORE INFO. 66-75 large bearing, 3. Traditional BOM's are 6 digits followed by 1 or 2 digits and start with the numbers 60 or 61. It is still used in NASCAR racing as well. The 8.5- and 8.8-inch gears have even found themselves in the independent-carrier-style axles. It has been said that it has a higher some 302 4V cars with optional gear ratios). Leaf Spring: The Similarities And Differences. For example: A forum community dedicated to Ford performance owners and enthusiasts. The unit on the top left seems to be nodular iron but requires a little more investigation to verify. Anyone know? If there is an "L" in between, you should have a locking or limited slip differential. For instance, if both the engine and transmission deliver up to 100 ft./lbs. This is a great upgrade component to use for high-power applications or if you are replacing your cartridge. The image below shows the Safety Label of a Ford Truck. Centers: 1957 - no dimples, flat center band up the center of the rear cover, bottom drain plug, 1958-1959 - two dimples on back of housing, flat center band, some had drain holes, 1960-1967 - two dimples, flat center band, oil level hole in back cover, 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, 28-spline axles cannot be shortened and resplined (they're tapered), 1972 and earlier 31-spline axles have the ability to be shortened, 1973 and later Therefore, these axle assemblies require better quality oil and good underbody airflow to keep the unit cool. Ironically, 8.0-inch independent carriers were made in cast iron. In 1963, Ford includedmore information. 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. The Ford Mustang and Thunderbird used this style for a few model years. 67-73 medium and big block Mustangs and Cougars. From the arrow, you can see the axle code is H9. larger wheel bearing housings. Mismatching issues are a big problem when it comes to automotive repairs. Strange Engineerings superior line of Chrome Moly Transmission yokes are manufactured from high quality forgings and fully heat treated to achieve maximum tensile strength. You can do this by multiplying by the gear ratio. used the 9-inch rear, regardless of engine size. How to Narrow a 9 Inch Ford Rear End. other Ford Ranger enthusiasts. 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. Housing end bolt patterns can be confirmed on the bottom of the axle order form. (It was later used for pick-ups and Broncos.) the early housings are ok for the average street performance cars. The third member supports all of the gears and bearings, which allows for easier gear ratio swaps if you have multiple third members. them. carriers both, as well as with the spline count on the axle shafts. Tip: To search the Towing Guide, press CTRL + F to open a search box in your . The bearing cups are in the pinion cartridge and the third bearing trunnion roller bearing is located in the gear case. The 7.5" rear end is also flat on top and bottom. Ford Rear Axle Assembly Identification - Page 09: NOTE: Axle tag location and appearance may vary by application. There are a few exceptions that you will see in the Ford Axle code chart. Gear Ratios - RPM from Speed, Rear & Trans. 7.5 inch, 8.5 inch, 10.5 inch. FORD FINAL DRIVE RATIOS. Mustangs 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. 1967-1973 Mustang axles identified by wheel flange: two large holes and counter sunk center - 31 splines. Have weakest and had abrupt ending but welded carrier centers to tubes and a Generally most cars received the small axle bearings and 28-spline axle For example, Ford says the 2018 F-350 Super Duty 4x2 regular cab pickup equipped with the 6.2-liter . Some of the heavier cars like the Galaxies also received the The axle tag typically has two lines of numbers and letters stamped on it. We'll also walk you through choosing the correct parts in order to make this installation a breeze! The Maverick 8" or Ranger 7.5 and 8.8 are good options. SHARE THIS ARTICLE: Please feel free to share this post on Facebook / Twitter / Google+ or any automotive Forums or blogs you read. This is an example of the only Ford 9-inch version that utilized one-piece tubes. The 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. 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. type, 28 and 31 splines, Ranchero/Torino - heavy duty thick wall housing, 3.25 inch diameter axle While the larger offset makes the ring and pinion gears stronger, the additional sliding of the gear teeth creates more heat in the axle. medianet_crid = "364974658"; This case looked like a nodular unit from the front regarding rib structure but did not have the N on it. version of the case came into use in 1967 or in subsequent years, but it Its called a 9 inch because the ring gear measures 9 inches. This roadster sounds amazing, goes hard and turns heads wherever it goes. The 9-inch third-member bottom fasteners, on the left, can only be accessed with a wrench. widths I keep in mind for Mustangs are the following: 52" H. 2.75 locking differential. differences, 28-spline car axle shafts are much more abundant than the CASE" A simple formula to calculate Gear Ratio or Axle Ratios. The Final Drive Ratio shows you how many times the engine turns for one complete turn of the tires. The answer lies in several of the Ford 9-inchs design aspects, starting with the Ford 9 inch gears. Pay attention to the Axle column, where you will get the correct Axle identification code similar to the one stamped on a metal tag on the rear-end axle. When you look on the inside, you see WAB- 4025A. is the strongest factory case made BY FORD!!! The heat treated aluminum alloy well suited to absorb high impact shock loads. Now you can see the C4AW-4025-B part number on the lower left unit, which verifies it as a nodular unit. You bring the gumption. Why is the Ford 9in rear end the go to rear axle for street and strip builds for over 70 years? Most of the time, the differences are in shock and spring mounting brackets and, of course, brake hardware. The most I guess this helps add to the splendor of the vehicle. This is an easy way to identify the third members, so youre sure to buy the correct axle. Some tags reference the week of the month instead of the exact day and just use a letter (A to E) for first through the fifth week of the month. A metal axle tag is typically located on the driver-side front of the third member. This consists of the Ford Pickup F100 lineup till the Ford F350 lineup. The 9-inch housing's center section will not allow the socket to clear, and . Torsion Axle Vs. 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. Ford 9 Inch Rear End Gear Ratios Chart1969 impala ss 427 4 speed. We're same width, but the distance between spring perches is different between The N cases typically came with the larger Daytona-style pinion support bearing, and 31-spline axle shafts. When it comes down to actual shafts as well, since the truck lug No. Info To Share? always looking for good content to share with This is when making a few phone calls to reputable axle builders can be helpful. also received the larger axle bearings housings.

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