The narrowest production 9-inch axle is 56.375 inches. I guess this helps add to the splendor of the vehicle. Both standard and W-series cases are made out of gray cast iron. This complex fixturing and welding process, coupled with fuel economy concerns, is what eventually led to their production demise. 65-66 Mustang = 57.25 inches. 289 Hipo cars.The N cases went with 31 spline centers and are for rugged truck housings received even beefier center carrier housings and tubes, First, you need to understand some fundamentals of the Ford axles to help guide your quest. Rearend/Axle Length Calculator. 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. Hot rodders and drag racers use 9 Ford rear-ends and their aftermarket descendants in just about everything not just Ford cars and trucks. This case looked like a nodular unit from the front regarding rib structure but did not have the N on it. It is easy to locate the Axle Ratio from the Axle code, but first, we need to know how to get the Ford axle code itself. The rear-end housing has a vast amount of ford 9-inch gear ratios available. This additional bearing and, more importantly, the necessary casting support structure is what drives the larger hypoid offset. Ford codes may have one or two characters, but any code starts with a letter. 4.09 Front, 4.11 Rear Ratio Differential Ring and Pinon Front and Rear Complete Kit for 8.5 Front (Inch), 9 Rear (Inch) (10 Front, Dropout Rear) . Ranger Station, Submit T & C FORD TOP LOADER 4 SPEED WIDE RATIO 2ND GEAR 31 TOOTH showing . These variations include different-size drum brakes, disc brakes, and wheel hub arrangements. 800-646-6718. WJ Handy Dad assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. 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. The entire S550 Mustang generation has had 4, due in part to the limited-slip differential option. The third member supports all of the gears and bearings, which allows for easier gear ratio swaps if you have multiple third members. The axle tag typically has two lines of numbers and letters stamped on it. more plentiful starting in the early 1970's, many of the units found today Ford Axle code identification, Read more: Front Axle Of A Car: Types, Functions, And Replacement. for the swap to be performed. 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. There is a huge aftermarket support for this axle design. Learn more. The 9-inch ring and pinion is front-loaded into the rear end housing. This is not a nodular unit. Here is a quick visual summary: The 1957 housings do not have dimples on them and have an oil drain plug. It was not the only axle used, but was by far one of Original ratios are 2.47, 2.50, 2.75 or 3.0 with the 2.50 being the most common. Generally, aftermarket shafts have to be purchased In contrast, on the 9-inch, two nuts on the bottom at about the 6 and 7 oclock positions cannot be accessed with a socket and require a wrench. Comet that has had a HIPO SMALL block with 31-splines and a locker. 54" Fords small block and big block engine families have their share of flexplate differences. The center section is the differential assembly. 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. 3. It can also help in identifying the axle ratio of your particular vehicle. weakest and had abrupt ending but welded carrier centers to tubes and a Ford Differential Axle Codes. pattern (same as older Jeep), a 65-inch width at the wheel mounting surfaces, For the Ford 9" rear end to be smaller and lighter than a Dana 60, the weight has to come from somewhere. You bring the gumption. 1973-1979 Ford Truck Rear Axle Codes. features the legendary Ford 9-inch ring and pinion strength, 5-on-5.5 lug What Is Car Battery Voltage And Why Is It Important? Why is the Ford 9in rear end the go to rear axle for street and strip builds for over 70 years? 70's. If you don't know your gear ratio, you can calculate it by taking the number of rear . Many people are not aware that Ford made a smaller banjo axle and confuse the 8-inch for a 9-inch. *** SELECT GEAR RATIO FOR PRICE *** Categories. None of which changes the strength of the axle shaft. as the Mustang. 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 . middle of case it is a good IRON type IF in the very center of this case The BOM will identify the model number, the gear ratio, the type of differential, and all component parts. The "rough" The same applies to vehicles with codes containing numbers alone. Gear ratios can be quickly changed by removing the axles and driveshaft, unbolting the . 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. When measuring from the top left bolt to the bottom left bolt, the 8.8" rear end will measure 11" from bolt to bolt. Restoration matching issues will be avoided since the right optioned components will be used to make the restoration. The aftermarket has responded to this by offering a plethora of ratios ranging from 2.91 to 6.50:1. Width: all measurements are flange to flange. determine which axle housing many cars and trucks received. 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! Learn how to hook up a 1-wire alternator on your vehicle. From my piles of rare parts, here is an independent cast-iron 8.8-inch carrier axle. Paint gmc dupont charts reference chart 1956 1959. Our Mopar flexplate buyers guide will help. The 8.8" rear end is flat on the top and the bottom as well as the left and right. the best. The Ford 9 inch housing is a semi-floating, drop-out axle. These tags were not that informativeon the early units, so from 1957 to 1962 the tag just referenced axle ratio. 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. Only the N-series cases are made out of the stronger, more desirable, nodular iron. Ford Aerostar: The 8.8-Inch axle . FORD FINAL DRIVE RATIOS. 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. First, the pinion shaft housing is removed from the front of the housing by removing five bolts. Content. The certification plate can be located on the lock face of the left door edge. There may be other labels attached to that pillar so pay attention to one that looks similar to the one below. 1/2 ton 4X4 pickups! The axle was developed to replace the Ford 9-inch axle.This axle is still in production today for a variety of Ford vehicles. Like the H in our case shows a car with a limited-slip differential. The complete guide to master any grease gun, Battery vs. Starter vs. Alternator: How to jumpstart even the most stubborn of car. The larger offset is better for strength and noise but worse for sliding and efficiency. 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. The most Nine Inch Rear Axle. Ranger For a Ford 9 inch rear end, swapping gears is fairly easy as it has a removable third member. 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. How to Narrow a 9 Inch Ford Rear End. This format is also applicableto casting date codes. them. Mustangs Boss 429s, 427s, 428 CJ/SCJ and the 429 cars which received the 56" The 8.5- and 8.8-inch gears have even found themselves in the independent-carrier-style axles. Here is an example of a weld repair on a factory original housing. This is because the supply is limited to For reference, this section from the Ford MPC is posted . Then take that answer and divide it by 100% and then multiply it by itself to find out what gears/axles you need to run to achieve the desired tire size. This axle tag belongs to a 1977 F-150. medianet_crid = "364974658"; applications due to the demise of most performance engine options in the 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. There are a few exceptions that you will see in the Ford Axle code chart. the axle from around the 1957 model year right up until the early 1980s Keep in 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. weakest and had abrupt ending but welded carrier centers to tubes and a Ford 8 Ford 9: CLICK FOR MORE INFO. (The third digit of the axle code identifies the ratio and/or capacity of the front axle, if applicable. and Fairlane axle housings are often grouped together because they are the Because Tip: To search theTowing Guide, press CTRL + Fto open a search box in your browser. Note the two lower bolts at 6 and 7 oclock have straight access with a socket. 77-81 Lincoln Versailles. Axle Both axles share a common design and are often referred to as banjo style or third-member style. The 1960s to 1967s still retain the dimples but also have an oil level plug in the back cover. earlier housings used in cars from 1957 to mid 1960s tended to be the You are looking for a nodular iron case, with its telltale N cast into the front or inside wall. Many aftermarket companies produce 9 Ford equivalent rear axles for the drag racing and hot rod industry. in cars and trucks. The axle housings themselves had many different variations over time as well. The leaking weld area is then ground down and a MIG or TIG welder is used for the repair. The first table is the code and gear ratio. The Lincoln LS and Jaguar S-type were equipped with an 8-inch, castaluminum, independent- style carrier. Four of the 11 inch-diameter versions are pictured: 1 inches (top left), 2 inches (top right), 2 inches (bottom left), and 3 inches (bottom right). only need to carry one spare should you choose to. 31-spline carriers and axle shafts. 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.
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