- Rod Stroke Ratio - Stroke Size Rear Gear Requirements - Rear End Gear Ratio Needed - Speed from RPM, Rear & Trans. Get any 3 for $25 plus shipping. 1964-1971 Falcon, Comet, some 1965-1969 Mustangs or 1964-1967 Ranchero V8 cars. Winners Run RICHMOND! Ford 9 - Smiley's Racing The If the socket fits (as shown in our photo below) it is a Ford 8-inch housing. Ford Rear Axle Assembly Identification - Page 01 These have a C4AW-4025-B casting part number next to the adjuster nut. Notice the 8.0-inch ring gear diameter cast into the rear cover below the fill plug. by Ford exist in the size of the outer axle bearings in the housings and This pinion shows excessive wear on the trunnion surface and should not be re-used. more plentiful starting in the early 1970's, many of the units found today actual car posi units, which were primarily 28-spline carriers, can be the best. Our expert customer support technicians are available Monday through Friday from 7:00 a.m. until 7:00 p.m., CST. in the backside middle and stronger tubes. wood and natural gas. Generally, aftermarket shafts have to be purchased Measuring from axle flange to axle flange (measurement A in the diagram below) will give you total axle housing width. Spring perches must be cut and re-welded in order How To Recognize 9-Inch Housing in cars and trucks. So dont be surprised that most of these axles leak from the welds. replaced, and that is why it remained in use for so long. There are a few exceptions that you will see in the Ford Axle code chart. 7.5 inch, 8.5 inch, 10.5 inch. Some of the heavier cars like the Galaxies also received the station wagons-cars with 351 and up engines received 9-inch units - as did Width: all measurements are flange to flange. The Lincoln LS and Jaguar S-type were equipped with an 8-inch, castaluminum, independent- style carrier. only need to carry one spare should you choose to. The 1967 Mustang - Axle Information The small are 2.835" or just under 3" and the large are 3.150" or just over 3". Exceptions to this were the ultra Hi performance Boss 302s, 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. by the size of the nuts and thread used to retain the brake backing plates Watch the video for all the details and you'll wonder why your shop hasn't had a set sooner! the axle from around the 1957 model year right up until the early 1980s 9 inch ratio chart | Ford Muscle Cars Tech Forum Ray. Most of the time, the differences are in shock and spring mounting brackets and, of course, brake hardware. The Ford Axle code will also help you identify your particular models engine capacity and the year/vehicle make. housings appeared in either 1966 or 1967 with the familiar "Hump" Builder V8 Billys 1966 Ford Fairlane Twin Turbo 427 RestoMod was built for Street and Strip. First, the pinion shaft housing is removed from the front of the housing by removing five bolts. 66-71 Fairlanes, Torinos, Montegos, Comets, and other Ford intermediates with big blocks. On this particular third member, the original copper washers that were under the factory fasteners have been discarded as well. This is because the supply is limited to 800-646-6718. Most of narrowed rear ends due to the added strength in the middle. It is the one most commonly T & C FORD TOP LOADER 4 SPEED WIDE RATIO 2ND GEAR 31 TOOTH showing . Original ratios are 2.47, 2.50, 2.75 or 3.0 with the 2.50 being the most common. What gear ratio do I have in my GM or Chevrolet - Drivetrain and Fairlane axle housings are often grouped together because they are the for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch That is your vehicles axle code. Discount is automatically applied. Written by Joe Palazzolo and Republished with Permission of CarTech Inc. The image below shows the Safety Label of a Ford Truck. This chart applies to all Ford non-overdirve transmissions, manual and automatic. Ford Axle Code Chart: Everything You Need To Know - Gmund Cars The Ford 9-inch is the most desirable drag racing rear end because it has a removable carrier, which allows quick rear end changes. Ford intermediates with big blocks. With so many better performing aftermarket options today, there is no reason to use these marginal brakes. Axle pattern (same as older Jeep), a 65-inch width at the wheel mounting surfaces, The original carrier is normally equipped with a CV joint flange, which can be replaced with a U . Your email address will not be published. Axle Ratios - Gary's Garagemahal (the Bullnose bible) 1967-1973 Mustang axles identified by wheel flange: two large holes and counter sunk center - 31 splines. 1963 Falcon 5 lug rear end questions. - FordSix Performance Forum This is by far the most common axle used by restorers, hot rodders, customizers, and racers. The same applies to vehicles with codes containing numbers alone. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. 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. Standard Ford 9 inch gear sets are primarily used in street applications. This larger offset (hypoid distance) between ring-gear and pinion-gear centerlines is the key reason the Ford is inherently strongerbut also why its slightly less efficient. The Final Drive Ratio shows you how many times the engine turns for one complete turn of the tires. However, the critical aspects of the rear axle are the axle flanges and axle lengths. The WAR, WAA, and WAB cases have the same ribbing as the N case, but are missing the ever important N feature. The third member supports all of the gears and bearings, which allows for easier gear ratio swaps if you have multiple third members. About | Contact | Terms | Privacy. there is the letter "N" than this is a NODULAR CASE (GREAT) this It is a column with the label AXLE on top and the Axle Code at the bottom. How do I find the Axle Ratio and Limited Slip? - Ford Motor Company 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) . Finding the location of this certification plate is easy. Most of Later shafts. 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. This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. 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. 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. at car swap meets and shows are the units pulled from trucks with the 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. housings. It is as easy to cut down as any other 8 or 9 inch Ford axel. Check it out. Now you can see the C4AW-4025-B part number on the lower left unit, which verifies it as a nodular unit. determine which axle housing many cars and trucks received. A widths I keep in mind for Mustangs are the following: 52" Find your transmission and rear gear multiplier below. None of which changes the strength of the axle shaft. There are four versions of the nodular iron third members that were produced from the factory. Info To Share? The large bearing size was available with fi ve different brake drum widths. 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. Ratings and reviews are provided by customers who have either purchased a vehicle or visited a dealership for service. 31-spline carriers and axle shafts. nickel content and better casting than the earlier single ribbed cases it 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. 2. If the socket fits (as shown in our photo below) it is a Ford 8-inch housing. A forum community dedicated to Ford performance owners and enthusiasts. 76-77 large bearing. 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. 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. 1/2 ton 4X4 pickups! 4. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Gear Ratio Chart | Revolution Gear & Axle For the Ford 9" rear end to be smaller and lighter than a Dana 60, the weight has to come from somewhere. (It was later used for pick-ups and Broncos.) 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. is the strongest factory case made BY FORD!!! 1940 Ford Banjo Rearend - Rod & Custom Magazine - MotorTrend Finally, using bearing retainers that secure the axle at the flange, versus a C-clip style that secure the axles at the differential, means in the case of axle failure the axle flange and wheel will stay with the housing and not leave the vehicle, potentially causing brake failure and lack of control on the racing surface. The "rough" Axle Size/Strength Chart; Explained Videos; Tech Articles; 9-Inch Ford. . (often referred to as a "POSI") came to be a popular option and GM Tri 5 55-57 Chevy Complete 9" Rear End Package. Here is an example of such a unit. Generally, aftermarket shafts have to be purchased When it comes down to actual shafts as well, since the truck lug There are several reasons for this. It has been said that it has a higher 8.75, 9.25, Ford 9 inch, and GM's 8.25 inch . 67-70 Mustang = 59.25 inches. 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! Keep in The date code is stamped on the tag. The There is a ton of aftermarket support for this axle (see Chapters 3 and 4 for more details). While the 8.8 is similar to the 12-bolt, it isnt identical. The instructions below will walk you through the steps. Projector vs. Reflector: Plan to upgrade your headlights? if one wants to use a 31-spline truck carrier in a car. 1950 Ford car rear end info.. - The H.A.M.B. many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4 For a better experience, please enable JavaScript in your browser before proceeding. In 1963, Ford includedmore information. 1957 no dimples, flat center band up the center of the rear cover, bottom drain plug. The Ford chart below contains a general decoder system for Ford pickup from the 1980s till the 1990s. . used the 9-inch rear, regardless of engine size. Read more: Torsion Axle Vs. The "rough" All the Galaxies I have seen from throughout the 1960s There are even different pinion cartridges that have been available from the various production years and models for this axle. also received the larger axle bearings housings. Note: Rear axle ratios are available for 2008 and newer models. The larger offset is better for strength and noise but worse for sliding and efficiency. If you liked this article you will LOVE the full book. The Ford Explorer uses an independentstyle Carrier made out of cast aluminum. Enter the required Overall Width, Pinion Offset (location), Brake Space and Drum/Rotor thickness to find axle length and housing width.
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