ford 9 inch rear end gear ratios chart ford 9 inch rear end gear ratios chart

Ford Axle code identification, Read more: Front Axle Of A Car: Types, Functions, And Replacement. Our example is going to assume a 6000 rpm redline and 26-inch-diameter tires. Axle All of the 8-inch case nuts can be accessed with a socket. Most of station wagons-cars with 351 and up engines received 9-inch units - as did Many companies, such as Currie Enterprises, Mark Williams Enterprises, Moser Engineering,and Strange Engineering, reproduce this design today. The The rear-end housing has a vast amount of ford 9-inch gear ratios available. 54" I have a '50 Club Coupe and have experienced this first hand. We will look at what axle codes are and how to identify the axle ratio from the code. This additional bearing and, more importantly, the necessary casting support structure is what drives the larger hypoid offset. The Ford 9 inch housing is a semi-floating, drop-out axle. The BOM will identify the model number, the gear ratio, the type of differential, and all component parts. 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 . by Ford exist in the size of the outer axle bearings in the housings and $(document).ready( function () {$('#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. This format is also applicableto casting date codes. We have a large selection of gear sets in stock and can recommend the correct . Ford used 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. Cost and complexity are two. This roadster sounds amazing, goes hard and turns heads wherever it goes. 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. 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. The ring and pinion are then accessed, also from the front, by removing another 10 bolts. It was not the only axle used, but was by far one of This was offered on the 1960 F-100 truck. A simple formula to calculate Gear Ratio or Axle Ratios. Like the H in our case shows a car with a limited-slip differential. Ford rear ends, or differentials, were manufactured by either the Dana Corporation or Ford. With their high-volume production, the two biggest quality problems were leaks from poor welds and poor alignment of the housings. This is a relatively common issue on these housings. of course most desirable is the N case, first used on the 427 Galaxies medianet_versionId = "3111299"; The It was not the only axle used, but was by far one of These tags provided information for the service technicians but wasnt that important for the vehicle assembly plants. The answer lies in several of the Ford 9-inchs design aspects, starting with the Ford 9 inch gears. It is a banjo-style axle as is the 8-inch. Proceed to match the code with its corresponding Axle Ratio column on the table to find the ratio. With 568 Ford 9 Inch Parts for sale, you're sure to find the ideal parts . 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.. This video is a good example of what goes into the process . Required fields are marked *if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'gmundcars_com-large-billboard-2','ezslot_9',168,'0','0'])};__ez_fad_position('div-gpt-ad-gmundcars_com-large-billboard-2-0');report this ad. 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. Trust Speedway Motors for best-in-class parts for Ford 9 Inch - delivered quickly, efficiently and without any hassles. On some tags, the first 2 digits don't appear on the tag, but they must be used to identify the axle. Gross Vehicle Weight ( GVW ) would Most of some 302 4V cars with optional gear ratios). This pinion shows excessive wear on the trunnion surface and should not be re-used. 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. This was an 8.75- inch ring gear in a 9-inch housing. This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. These axles did have metal axle tags similar to the 9-inch axles but they were slowly phased out as vehicle programs were updated. Written by Joe Palazzolo and Republished with Permission of CarTech Inc. The Fora platform includes forum software by XenForo. 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. by Ford exist in the size of the outer axle bearings in the housings and widths I keep in mind for Mustangs are the following: About | Contact | Terms | Privacy. Measuring from axle flange to axle flange (measurement A in the diagram below) will give you total axle housing width. You can then enter any term, such as Axle Ratio,to search the guide. 100 x 4.12. 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! While the iron is molten, magnesium is added to increase the shear strength of the alloy. The Ford 9 inch rear end is one of the most popular axles in automotive history. This is an example of the only Ford 9-inch version that utilized one-piece tubes. Notice the 8.0-inch ring gear diameter cast into the rear cover below the fill plug. 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. If the case has two verticle RIBS ,from top to The 9-inch third-member bottom fasteners, on the left, can only be accessed with a wrench. It is a column with the label AXLE on top and the Axle Code at the bottom. The first two digits of the axle code identify the ratio and capacity of the rear axle. 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. WJ Handy Dad recommends safe practices when working on vehicles/homes and or with tools seen or implied in this video. CLICK HERE to see a complete listing of front axle codes). 9-Inch Standard Ring And Pinion Gear Sets (3.00 to 6.50 Ratios) $240.00. There are even different drum brake registers. The unit on the top left seems to be nodular iron but requires a little more investigation to verify. for the swap to be performed. Ford non-overdrive transmissions include: C-4, three-speed, automatic. We can teach you some of the major differences between the Ford and GM-style T5 Flathead transmission adapter kits. The Ford 8.8-inch axle has the same ring gear mounting distance (see Chapter 7) for all ratios, just like the 9-inch. axleshafts. 1973-1979 Ford Truck Rear Axle Codes. Ford Differential Axle Codes. It is the one most commonly Walk any automotive event and theres a darn good chance that any hot rod or muscle car you peek under is going to be sitting on a Ford 9-inch housing. There are three bearings on the pinion shaft: the two traditional tapered roller bearings for the head and tail bearings with a third cylindrical roller bearing on the opposite end of the pinion head. The narrowest production 9-inch axle is 56.375 inches. "N Case" was no longer needed for passenger car/truck mind as mentioned, the Fairlane spring perch distances were not the same Axle code. There are a few exceptions that you will see in the Ford Axle code chart. The large bearing size was available with fi ve different brake drum widths. How to Narrow a 9 Inch Ford Rear End. used the 9-inch rear, regardless of engine size. Ford 9 inch Gears. diameter bolt circle, 1967-1973 Torinos, Rancheros, Fairlanes 59.25 inches or 74-75 medium duty large bearing, and. Produced from 1957 to 1987 by the Ford Motor Company, it was used in full size . 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. Gear ratios can be quickly changed by removing the axles and driveshaft, unbolting the . For reference, this section from the Ford MPC is posted . Here is an example to help you through. can tell this is a 9-inch from the removable carrier on the front. The 8.8 is a traditional semi-fl oat Salisbury axle with C-washers for axle retention. Like most Ford axles, the 9-inch has a single hypoid ring gear mounting distance, so, unlike the Dana and GM axles that require unique differential carriers based on ratio, a single differential carrier works with all of the Ford ratios. The GoJak wheel dolly makes moving immobile vehicles around your shop easy as place, pump, and push! If you don't know your gear ratio, you can calculate it by taking the number of rear . 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. The original carrier is normally equipped with a CV joint flange, which can be replaced with a U . and this style of center carrier housing is best suited for drag cars or at car swap meets and shows are the units pulled from trucks with the You can find the axle code on the Safety Standard Certification label information. 1967-1973 Mustang, Torino, Ranchero, Fairlane 9-inch It's uncertain if this E Get any 3 for $25 plus shipping. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. 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The primary purpose of this plate is to show you if your vehicle is equipped with a limited-slip to rear-end differential. 3. Gear Ratios Drag Strip Performance - 1/8 Mile Horsepower Requirements from MPH - 1/8 Mile Horsepower Requirements from ET - 1/8 Mile ET from MPH - MPH - Km/H in 1/4 Mile using Horsepower This is a sampling of some of them. 31-spline car shafts. only need to carry one spare should you choose to. (It was later used for pick-ups and Broncos.) housings appeared in either 1966 or 1967 with the familiar "Hump" Here are the internal sides of the same three units. GM G-body 78-87 Complete 9" Rear End Package. If the axle tag is missing, as most are, you need to remove the third member in order to know what ratio you have and if it has a limited-slip or not. Most of the time, the differences are in shock and spring mounting brackets and, of course, brake hardware. features the legendary Ford 9-inch ring and pinion strength, 5-on-5.5 lug narrowed rear ends due to the added strength in the middle. 1. Like the H in our case shows a car with a limited-slip differential. The Ford Axle code chart is a handy tool for positraction replacements. The Also note there isn't a cover on the rear like most axles. differences, 28-spline car axle shafts are much more abundant than the For instance, if both the engine and transmission deliver up to 100 ft./lbs. GM Truck Complete Rear End Packages. if so is this what you are looking for. 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. for it. Since these housings were a series of stamped-steel pieces all welded together, there were many different overall lengths, tubes sections, mounting brackets, and even general constructions over the years (see Chapter 5). used the 9-inch rear, regardless of engine size. These tags were not that informativeon the early units, so from 1957 to 1962 the tag just referenced axle ratio. Our aluminum cases are manufactured from premium material sourced in the USA, designed and machined in-house, and offered in various forms to meet the requirements of the most demanding applications. You can install a true 9-inch gear in these housings as well. With so many better performing aftermarket options today, there is no reason to use these marginal brakes. Gears / Diffs / Install Kits Listed By Vehicle, Standard Gears & Pro Gears Dana / Ford / GM / Mopar, Strange T-Shirts. This bearing and the casting structure surrounding it need to be carefully inspected as this is a common area for cracks. for 1967-1970 (same as 1966-1969 Fairlane, Torino, Comet & Cyclone non Applications: Ford Used The Dana 70 And Dana 70HD Axles In F-350 Trucks Up To 1985.5. The code, 4L11, tells us that it is a 4.11:1 ratio with a limited-slip or Traction-Lok differential. Variations popular early swap being the 1957-1959 Ford for the 1965/1966 Mustang. A 2-inch version is not shown. These used what is referred to as a 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). Also notice the part number and metal axle tag. 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! This is a great upgrade component to use for high-power applications or if you are replacing your cartridge. Some of the heavier cars like the Galaxies also received the There is a machined roller bearing race on the pinion head portion that points at the differential opposite thetapered bearing races. Visit the RV & Trailer Towing Guides page on the Ford fleet website. 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 The WFE-V2 helps us fi nd the decade of the 1970s. i.e. There are three versions with external Ns cast in; note the more curved style on the top right. larger wheel bearing housings. Amateur restorer. There are also unique domestic special-option tags, which dont follow the format. The very rare optional 6 cylinder rear was the 3.50. * Coupon does not apply to Oval Size Matters T-Shirt. These labels have a specific code that is similar to the axle code on the 9-inch axles. The Ford 9-inch is an automobile axle manufactured by Ford Motor Company.It is known as one of the most popular axles in automotive history. 3. 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.