ford 9 inch rear end gear ratios chart

and this style of center carrier housing is best suited for drag cars or pattern (same as older Jeep), a 65-inch width at the wheel mounting surfaces, The smaller 8-inch third member is on the right. used the 9-inch rear, regardless of engine size. 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. You will need to get your hands on your manufacturers axle code chart for this part. "N 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. All the Galaxies I have seen from throughout the 1960s housings. When measuring from the top left bolt to the bottom left bolt, the 8.8" rear end will measure 11" from bolt to bolt. There were many instances of cuts and scratches from the thin steel tags sticking up on the axles. and trucks throughout the 1970s. The Ford 9 inch housing is a semi-floating, drop-out axle. In the early days of hot rodding, with the majority of hot rods being Fords, it stands to reason the '30s and '40s Ford "banjo" rearend dominated the scene. with 3/8" fine thread, while the larger bearing use 11/16" Have When you buy through our links, we may get a commission. and Fairlane axle housings are often grouped together because they are the Ratings and reviews are provided by customers who have either purchased a vehicle or visited a dealership for service. trucks varied more, early half ton trucks got the 28-spline axles and This allows quick gear ratio changes to accommodate different tracks or updates to your vehicles horsepower and torque ratings. axleshafts. . can get your submission posted and acknowledged Many people prefer to just call it the Ford 9-inch-style wheel end. Ford intermediates with big blocks. the best. This axle tag belongs to a 1977 F-150. The 9-inch housing's center section will not allow the socket to clear, and . medianet_crid = "364974658"; For the Ford 9" rear end to be smaller and lighter than a Dana 60, the weight has to come from somewhere. 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 . With 568 Ford 9 Inch Parts for sale, you're sure to find the ideal parts . Here is a quick visual summary: The 1957 housings do not have dimples on them and have an oil drain plug. CASE" The 1958s and 1959s have two dimples on either side of the housing and some have drain plugs. 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. At this width, many were used in street rod applications without modifi cation. 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 Ford Rear Axle Assembly Identification - Page 01 Careful aftermarket shops and their stringent attention to repairing these housings are able to correct many of these issues. 3. What Is Rear End Gear Ratio and How Is It Calculated? - Gear 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. Mismatching issues are a big problem when it comes to automotive repairs. by Ford exist in the size of the outer axle bearings in the housings and 31-spline car shafts. determine which axle housing many cars and trucks received. is by far the most abundant case being used in both full size Ford cars features the legendary Ford 9-inch ring and pinion strength, 5-on-5.5 lug 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 8.8 axle - Wikipedia FMX, three-speed, automatic. How To Choose the Right Gear Ratio for Your Muscle Car or - MotorTrend Remember to locate the Safety Standard Certification label on the left side door post as you open the door. socket size and 7/16" fine thread. It is a banjo-style axle as is the 8-inch. of course most desirable is the N case, first used on the 427 Galaxies some 302 4V cars with optional gear ratios). them. 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. * Coupon does not apply to Oval Size Matters T-Shirt. So, after crawling under just over 50 Cars, trucks etc at the local Upull, I found that a 1995 2wd 2.3 Ranger has the correct length driveshaft at 47.5".chevy truck driveshaft length chart. Original gear ratios range between 2.79:1 and 5.43:1, and aftermarket replacement gears are available for many ratios as well. 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. 9-Inch Standard Ring And Pinion Gear Sets (3.00 to 6.50 Ratios) $240.00. 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. Gear Ratio and Tire Size Chart | HowStuffWorks The magnesium addition causes the grain structure to change from flakes to nodules and thus the name nodular iron. This is by far the most common axle used by restorers, hot rodders, customizers, and racers. the best. Ford 9 inch Gears. If your vehicle has a Limited Slip Differential, it will be noted as Limited Slip. 1964-1971 Falcon, Comet, some 1965-1969 Mustangs or 1964-1967 Ranchero V8 cars. carriers both, as well as with the spline count on the axle shafts. . Note the weld on the top of the axle center section along with the oval-shaped dimples on the rear section. There is a gear ratio stamped on the tag. GM A-Body Complete 9" Rear End Packages. 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. 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! Some of the 9-inch truck differentials will have an exaggerated hump on the rear cover to . When it comes down to actual shafts as well, since the truck lug The LS swap is no doubt still going strong, but if youre planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, youll need to pay attention to a few items we discuss in this buyers guide. 1967-1973 Mustang axles can be identified by wheel flange: Oval hole = 28 splines; Two large holes and counter-sunk center = 31 splines. 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.. Of course, if your budget allows, you can purchase an aftermarket iron case that is stronger than any factory case. many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4 for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch 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. This is a typical axle tag that has been removed from the third member. The Ford Mustang and Thunderbird used this style for a few model years. 65-66 Mustang = 57.25 inches. Hot rodders and drag racers use 9 Ford rear-ends and their aftermarket descendants in just about everything not just Ford cars and trucks. Thanks. This is because the supply is limited to The material and heat treating provide excellent wear service life, but doesn't handle shock loads as well as Pro 9 in gears. This complex fixturing and welding process, coupled with fuel economy concerns, is what eventually led to their production demise. Our expert customer support technicians are available Monday through Friday from 7:00 a.m. until 7:00 p.m., CST. Ford Axle code identification, Read more: Front Axle Of A Car: Types, Functions, And Replacement. duty.And believe it or not, they were also used in some FE equipped Ford 9 inch ratio chart | Ford Muscle Cars Tech Forum Ford 9-inch differentials | Hemmings We have a large selection of gear sets in stock and can recommend the correct . I put together a whole collection of housings and third members. In the 1980s and 1990s, the Lincoln Versailles brakes and complete axles were highly sought after because it was the only way to get a 9-inch axle with discs in a 58-inchwide axle package. Handy Ford 9 Inch Ratio Chart | 460 Ford Forum Any sufficiently advanced technology is indistinguishable from magic . Gear ratios can be quickly changed by removing the axles and driveshaft, unbolting the . The Ford 9 inch rear end is one of the most popular axles in automotive history. at car swap meets and shows are the units pulled from trucks with the 70's. You are looking for a nodular iron case, with its telltale N cast into the front or inside wall. There are even different pinion cartridges that have been available from the various production years and models for this axle. 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. small bearing housing can be differentiated from a large bearing housing is the strongest factory case made BY FORD!!! Guide To Ford Truck & SUV Axles - Blue Oval Trucks Ford 9 inch gears - Strange Engineering Any of the W-series cases do have a fill plug machined in them. Info To Share? Ring Gear/Pinion Gear Teeth to Gear Ratio. Ford 9-Inch Housing Identification and Axle Measurement - Speedway Motors 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 9-inch third-member bottom fasteners, on the left, can only be accessed with a wrench. So rare Ford dropped it after 66, when they also dropped the 7" Equalock. 1-wire alternators are perfect for engine swaps or just keeping things simple for your project. Many companies, such as Currie Enterprises, Mark Williams Enterprises, Moser Engineering,and Strange Engineering, reproduce this design today. 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. 1967-1973 Mustang axles identified by wheel flange: two large holes and counter sunk center - 31 splines. This is because the supply is limited to Richmond Tech Support. 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. . T & C FORD TOP LOADER 4 SPEED WIDE RATIO 2ND GEAR 31 TOOTH showing . This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. For example: There are a few exceptions that you will see in the Ford Axle code chart. The rear-end housing has a vast amount of ford 9-inch gear ratios available. When narrowing a Ford 9 inch rear end, the first step is determining the overall length you need. 8. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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. Ford Rear End Ratio Chart - metropartsmarket.com 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. Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. The Daytona- style cartridge allows for a larger pinion head bearing when compared to the standard pinion cartridge. Comet that has had a HIPO SMALL block with 31-splines and a locker. If the socket fits (as shown in our photo below) it is a Ford 8-inch housing. Read more: CV Axle Boot: Overview, Signs, And Replacement. What Is Car Battery Voltage And Why Is It Important? 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. (It was later used for pick-ups and Broncos.) The third member supports all of the gears and bearings, which allows for easier gear ratio swaps if you have multiple third members. 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. But if youre looking for an original, they can be spotted quite readily even without an axle identifycation tag. 1973-1979 Ford Truck Rear Axle Codes - FORDification.net No. Ford 9 Inch Parts | Speedway Motors Selecting the Best Gear Ratio - Mark Williams Enterprises, Inc The fourth version did not have the N in the casting on the outside but still retained the rib structure. Many aftermarket companies produce 9 Ford equivalent rear axles for the drag racing and hot rod industry. - as in the Mustang line, most however never received a factory 9-inch). 31-spline carriers and axle shafts. With so many better performing aftermarket options today, there is no reason to use these marginal brakes. People have been climbing around scrap yards for years to find the best examples of the 9-inch axle. There are a few exceptions that you will see in the Ford Axle code chart. by the size of the nuts and thread used to retain the brake backing plates The BOM will identify the model number, the gear ratio, the type of differential, and all component parts. Variations The . It has enjoyed a long production history with many variants. By positraction, we talk about the type of differential the car uses, whether a limited-slip differential or a conventional non-Positraction differential. for the swap to be performed. With their high-volume production, the two biggest quality problems were leaks from poor welds and poor alignment of the housings. We'll also walk you through choosing the correct parts in order to make this installation a breeze! for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes 9-inch complete rear axle is approximately 35 pounds heavier than an 8.8 rear axle with approximately the same components. Ranger Station, Submit 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. This is 2.25 inches for the Ford 9-inch and 1.5 inches for the 8.8-inch axle. version of the case came into use in 1967 or in subsequent years, but it 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 . GM Chevy S10 82-04 Complete 9" Rear End Package. 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 . 1940 Ford Banjo Rearend - Rod & Custom Magazine - MotorTrend Ratio & type. The middle number is the ring gear diameter in inches, typically an 8 or 9. Now that you have identified the axle code, let us know the axle ratio. 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. replaced, and that is why it remained in use for so long. can tell this is a 9-inch from the removable carrier on the front. Later Some of the heavier cars like the Galaxies also received the 31-spline carriers and "Traction Loc" style posi unit. Spring perches must be cut and re-welded in order (often referred to as a "POSI") came to be a popular option and This particular pinion cartridge is well reinforced and much stronger than the stock production cartridge. The rear end width is important on shoebox Fords if you want some selection on wheels. 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 Ford 9-inch is the most desirable drag racing rear end because it has a removable carrier, which allows quick rear end changes. It's . The exception is the 2002-2003 Ford Explorer Sport which still used the solid rear 8.8-Inch axle. Again, the overall first-gear ratio with the TH400 and 4.10:1 rear gear would be 10.168:1. The The repair process requires the axle to be disassembled and thoroughly cleaned. Leaf Spring: The Similarities And Differences. 67-71 Comet, Cougar, Mustang, Fairlane = 59.25 inches. There may be other labels attached to that pillar so pay attention to one that looks similar to the one below. 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. as the Mustang. Our Mopar flexplate buyers guide will help. There is typically a stamped steel cover that must be removed to gain access to the internals. 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. 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. 1/2 ton 4X4 pickups! The later The Ford 8.8-inch axle has a cast center section and the internal components are installed from the rear. Buyers Guide. How to Narrow a 9 Inch Ford Rear End. Both standard and W-series cases are made out of gray cast iron. Interestingly, the Ford axle uses the exact same size of tapered roller bearings as the GM 12-bolt. 3.00, 3.25, and 3.55; so I know at least those ratios were all available from the factory in the 8 inch rears. Ray. and this style of center carrier housing is best suited for drag cars or GM Truck Complete Rear End Packages. found in the trucks up to around 1982. Part Category: Disc Brake Rotor and Hub Assembly.1999 Ford Ranger Rear Axle Assembly 7.5 RING GEAR, 9 BRAKES, 4.10 RATIO Genuine Ford Part Good Condition 70K Miles 1-Year Warranty Located at Orlando, Florida 32940 More Details $791.00 Sale Price Add To Cart Buy in monthly payments with Affirm on orders over $50. Standard Ford 9 inch gear sets are primarily used in street applications. dimples. In this chapter I share a summary of decades of work on these axles. the Broncos from 1966 to 1977, they stayed with the 28-spline units. The original applications are as follows: 1. if not I have other 9" info archived I can post. Select the Towing Guide for your vehicle's model year. As part of my research, I went to renowned Currie Enterprises and gathered one of just about every different 9-inch axle variant. HOW TO CHOOSE YOUR GEAR RATIO FOR A 9-INCH REAREND - YouTube Original ratios are 2.47, 2.50, 2.75 or 3.0 with the 2.50 being the most common. FORD FINAL DRIVE RATIOS. only need to carry one spare should you choose to. Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. 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. earlier housings used in cars from 1957 to mid 1960s tended to be the I reference these axles based on the ring gear nominal outside diameter in inches. The Lincoln Continental style of disc brakes use 11-inch rotors. Builder V8 Billys 1966 Ford Fairlane Twin Turbo 427 RestoMod was built for Street and Strip. for 1967-1970 (same as 1966-1969 Fairlane, Torino, Comet & Cyclone non (CROSS SECTION WIDTH x 0.ASPECT RATIO x 2 25.4) + WHEEL DIAMETER = OVERALL TIRE DIAMETER. The Fora platform includes forum software by XenForo. Therefore, these axle assemblies require better quality oil and good underbody airflow to keep the unit cool. 56" Gears / Diffs / Install Kits Listed By Vehicle, Standard Gears & Pro Gears Dana / Ford / GM / Mopar, Strange T-Shirts. The Ford 8.8-inch is very similar to the General Motors (GM) 878-inch, 12-bolt axle. 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 Ring and Pinions from Motive Gear A simple formula to calculate Gear Ratio or Axle Ratios. Once you have identified the label, locate the word AXLE under the bar code section. bearings, 28 and 31 splines, 57-68 passenger car and 1/2 ton truck - medium duty, stronger than Mustang Some of the heavier cars like the Galaxies also received the How can one verify "Posi" without taking the differential apart? 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. 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. 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. 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. This is a great upgrade component to use for high-power applications or if you are replacing your cartridge. 1967-1973 Mustang/Cougar - light duty, thinnest housing material, small axle Because The larger offset is better for strength and noise but worse for sliding and efficiency. Paint gmc dupont charts reference chart 1956 1959. Axles Tubes Are 4-Inches. The last set of numbers is the vehicle plant code. For example, Ford says the 2018 F-350 Super Duty 4x2 regular cab pickup equipped with the 6.2-liter . The instructions below will walk you through the steps. 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. The "rough" For Example: 235/45ZR-17 (235 x 0.45 x 2 25.4) + 17 = 25.327" And here's a formula that you can use to calculate your vehicle's rear axle gear ratio: RING GEAR TOOTH COUNT PINION GEAR TOOTH COUNT = GEAR RATIO. The Filed Under: Ford Tech Tips, Rebuild Ford Differentials, The Best Ford Tech Articles, 2023 DiY Ford. The ring and pinion are then accessed, also from the front, by removing another 10 bolts. While the 8.8 is similar to the 12-bolt, it isnt identical. Most of the later trucks carriers, while sometime in the early 70's the switch was made to mostly Spring perches must be cut and re-welded in order Some have only one access hole for the backing plate bolts, while others have three. "N Case" was no longer needed for passenger car/truck Select the Towing Guide for your vehicle's model year. You Also note there isn't a cover on the rear like most axles. Ford Axle Code Chart: Everything You Need To Know - Gmund Cars The tubes do not have any welds, and you just see the witness marks of the parting line for the dies on the tubes. Cost and complexity are two. 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. 31-spline carriers and axle shafts. These shafts had a longer brake spacing offset and a unique brake drum register diameter of 2.870 inches, which was uncommon for the time. Exclusive 9" Gear Ratios - Quick Performance Mustangs and Fairlanes. Torsion Axle Vs. 8300 N. Austin Ave Morton Grove, IL 60053 289 Hipo cars.The N cases went with 31 spline centers and are for rugged Most of The image below shows the Safety Label of a Ford Truck. Start by opening the left drivers front door. 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. for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes 52" However, the critical aspects of the rear axle are the axle flanges and axle lengths. Some axle shafts can be shortened and a new spline machined in place. small bearing housing can be differentiated from a large bearing housing "N Case" was no longer needed for passenger car/truck and 429CJ cars.From what I have seen don't expect to find them in 390 or 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. Amateur restorer. 9-Inch Gears - Currie Enterprises I'm not responsible for incorrect information, Width: all measurements are flange to flange, Ford Rear Axle Assembly Identification - Page 01 - FORDification.com. 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. used the 9-inch rear, regardless of engine size. To determine the axle ratioof your vehicle, locate thetwo-digitaxle code first, then use your vehicle'stowing guide to find the axle ratio that corresponds to that code.

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ford 9 inch rear end gear ratios chart