Ford used 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.. Some of the heavier cars like the Galaxies also received the Ford personnel and/or dealership personnel cannot modify or remove reviews. most abundant. . At this width, many were used in street rod applications without modifi cation. The 9-inch third-member bottom fasteners, on the left, can only be accessed with a wrench. An assortment of Ford 9-inch axle stampings is welded together to create the housing. Most 1972 and earlier 31-tooth spline shafts can be shortened and 1973 and later versions typically cannot be resplined. - as in the Mustang line, most however never received a factory 9-inch). only need to carry one spare should you choose to. However, the critical aspects of the rear axle are the axle flanges and axle lengths. 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 heat treated aluminum alloy well suited to absorb high impact shock loads. in cars and trucks. Home / Performance Front & Rearends / Parts Department / Ring & Pinion Sets / 9-Inch Ford. These used what is referred to as a 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. features the legendary Ford 9-inch ring and pinion strength, 5-on-5.5 lug Ratings and reviews are provided by customers who have either purchased a vehicle or visited a dealership for service. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. This additional bearing and, more importantly, the necessary casting support structure is what drives the larger hypoid offset. One of the primary reasons why the 9" Ford rear end has come to dominate drag racing is the ease with which thirdmembers with various ring & pinion gear ratios can be installed. 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. It was introduced in 1957 model year cars and ended production in 1986, having been phased out in favor of the Ford 8.8 inch axle.However, aftermarket companies still produce the 9-inch design. The Ford 10.25-Inch Rear Axle Replaced The Dana 70 After 1985. 6. Applications: Ford Used The Dana 70 And Dana 70HD Axles In F-350 Trucks Up To 1985.5. I have spent countless hours over the years collecting, reading, and studying old shop manuals, supplier reference documents, SAE papers, and even vehicle manufacturer reports and notes. These have a C4AW-4025-B casting part number next to the adjuster nut. for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch Anyone know? middle of case it is a good IRON type IF in the very center of this case . This chart references the connection between the month codes and the actual month. Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. Chevy differentials: how to rebuild the 10- and 12 . With 568 Ford 9 Inch Parts for sale, you're sure to find the ideal parts . None of which changes the strength of the axle shaft. When narrowing a Ford 9 inch rear end, the first step is determining the overall length you need. Original gear ratios range between 2.79:1 and 5.43:1, and aftermarket replacement gears are available for many ratios as well. 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. On this particular third member, the original copper washers that were under the factory fasteners have been discarded as well. earlier housings used in cars from 1957 to mid 1960s tended to be the We will look at what axle codes are and how to identify the axle ratio from the code. WJ Handy Dad recommends safe practices when working on vehicles/homes and or with tools seen or implied in this video. Mustangs the best. Hot rodders and drag racers use 9 Ford rear-ends and their aftermarket descendants in just about everything not just Ford cars and trucks. Today we go over the important step of how to choose your Gear Ratio when building a 9-Inch Rearend.Make sure to Like, Comment and Subscribe for more videos!. A 2-inch version is not shown. These axles did have metal axle tags similar to the 9-inch axles but they were slowly phased out as vehicle programs were updated. them. There is a ton of aftermarket support for this axle (see Chapters 3 and 4 for more details). In this chapter I share a summary of decades of work on these axles. The 10,41 gear ratio is also great for off-road activities . Discount is automatically applied. common carrier housing found is the C7AW-E. the early housings are ok for the average street performance cars. Code Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: WGA-A: Lincoln Mark Series '69-'71 Thunderbird '69-70: 2.80: 9 3/8: NL: 31-WGA-B: Lincoln Mark Series '69-'71 The Independent Rear Suspension (IRS) used in '99-'04 Cobras and the current Mustang use almost the same differential as the standard 8.8. The same applies to vehicles with codes containing numbers alone. This is an example of the only Ford 9-inch version that utilized one-piece tubes. Strange Engineerings superior line of Chrome Moly Transmission yokes are manufactured from high quality forgings and fully heat treated to achieve maximum tensile strength. Cost and complexity are two. The 28-tooth axle shafts are typically tapered and cannot be shortened. Note that most, but not all, applications will usually have one axle longer than the other due to an offset center section, so don't just measure one side and assume the other is the same. It was not the only axle used, but was by far one of It is quite strong since it was designed to handel the 260 V8 engine, the 8 inch can also be beefed up for even more power with custom racing or Hot Rod parts. for it. The tags were replaced with adhesive labels that are placed around the axle tube near the brake and wheel end. How To Recognize 9-Inch Housing Since the "Limited slip" or Locking rear end The letters I and O are skipped to avoid confusion with the numbers one and zero. Repairing a twisted brake or throttle cable with a simple homemade tool in just minutes Easy and functional. Learn how to hook up a 1-wire alternator on your vehicle. 8.75, 9.25, Ford 9 inch, and GM's 8.25 inch . 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. Where A=the first number (static reduction), Bi=Gear diameter, Bf=Ring Gear diameter, Cf= (Crown Wheel dia.) can get your submission posted and acknowledged Thanks. SHARE THIS ARTICLE: Please feel free to share this post on Facebook / Twitter / Google+ or any automotive Forums or blogs you read. if one wants to use a 31-spline truck carrier in a car. 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. 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. Keep in It allows for the pinion side Center Section to be removed. 76-77 large bearing. (narrowest 9-inch housing), 1966-1977 Bronco 58 inches but has 5-on-5 1/2 inch carriers, while sometime in the early 70's the switch was made to mostly always looking for good content to share with The Final Drive Ratio shows you how many times the engine turns for one complete turn of the tires. 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 station wagons-cars with 351 and up engines received 9-inch units - as did Proceed to match the code with its corresponding Axle Ratio column on the table to find the ratio. (final drop). and trucks throughout the 1970s. 31-spline axles and carriers for most trucks. common carrier housing found is the C7AW-E. The Ford 9-inch is the most desirable drag racing rear end because it has a removable carrier, which allows quick rear end changes. 54" Comet that has had a HIPO SMALL block with 31-splines and a locker. Here is a down-and-dirty way of picking the best gearing for a particular car from three choices: 3.07:1 final drive with a wide-ratio transmission, a 3.07:1 final drive with a close-ratio transmission, and a 3.36:1 final drive with a close-ratio transmission. Here are the internal sides of the same three units. The The chart is based on RPM levels at 65 mph (105 kph) and a drive train running at a 1:1 gearing ratio, meaning the . 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. The axle model codes are interchangeable, typically the suffixes are different for a revision change but the axle is still interchangeable with one having the previous suffix. Start by opening the left drivers front door. applications due to the demise of most performance engine options in the These were used sporadically until about 1969. The small are 2.835" or just under 3" and the large are 3.150" or just over 3". For the Ford 9" rear end to be smaller and lighter than a Dana 60, the weight has to come from somewhere. Rearend/Axle Length Calculator. Get any 3 for $25 plus shipping. in cars and trucks. 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 . is the strongest factory case made BY FORD!!! Its called a 9 inch because the ring gear measures 9 inches. The 1960s to 1967s still retain the dimples but also have an oil level plug in the back cover. One exception to this was Note the two lower bolts at 6 and 7 oclock have straight access with a socket. 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) . Width: all measurements are flange to flange. Performance Front & Rearends GM Vehicles The large bearing size was available with fi ve different brake drum widths. The larger offset is better for strength and noise but worse for sliding and efficiency. Some axle shafts can be shortened and a new spline machined in place. 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). 289 Hipo cars.The N cases went with 31 spline centers and are for rugged Like the 9-inch, the 8-inch uses no carrier breaks, meaning you can put a 5.43:1 ring and pinion in a 2.79:1 rear without changing to a smaller differential carrier. The most 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. * Pro Gears are specifically designed for drag race only. This is an easy way to identify the third members, so youre sure to buy the correct axle. wood and natural gas. by the size of the nuts and thread used to retain the brake backing plates Here is an example of such a unit. Once you have identified the label, locate the word AXLE under the bar code section. Original ratios are 2.47, 2.50, 2.75 or 3.0 with the 2.50 being the most common. The "rough" The transmission yokes are CNC machined to assure concentricity and balance for ideal driveshaft operation. type, 28 and 31 splines, Ranchero/Torino - heavy duty thick wall housing, 3.25 inch diameter axle There are even different pinion cartridges that have been available from the various production years and models for this axle. If the socket fits (as shown in our photo below) it is a Ford 8-inch housing. and Fairlane axle housings are often grouped together because they are the Aftermarket vendors are actually re-casting these cases in very strong nodular iron, so more often than not it is easiest just to purchase a new case. This sensor is for the anti-lock brake system. This not easily accomplished with integral carrier axles, like the GM 10- and 12-bolt. Dont be surprised if the tag you have does not exactly match this. but the link i was refering to listed codes by year and model.
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