The The exception is the 2002-2003 Ford Explorer Sport which still used the solid rear 8.8-Inch axle. The fourth version did not have the N in the casting on the outside but still retained the rib structure. N-case. Drag Racing 101 ~ Everything You Need to Know! Generally most cars received the small axle bearings and 28-spline axle GM Tri 5 55-57 Chevy Complete 9" Rear End Package. same width, but the distance between spring perches is different between Here is an example of such a unit. features the legendary Ford 9-inch ring and pinion strength, 5-on-5.5 lug socket size and 7/16" fine thread. When you buy through our links, we may get a commission. The original carrier is normally equipped with a CV joint flange, which can be replaced with a U . FORD FINAL DRIVE RATIOS. The Ford 9-inch is the most desirable drag racing rear end because it has a removable carrier, which allows quick rear end changes. can easily tell this is a 9-inch from the hump in the rear and (2) The last one i got was marked "Mustang Posi" on the rear of the differntial by the people at the yard who dissembled the car. The Ford version uses larger axle shafts and different lube flow strategy. 67-73 medium and big block Mustangs and Cougars. station wagons-cars with 351 and up engines received 9-inch units - as did 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.. *** SELECT GEAR RATIO FOR PRICE *** Categories. These axles had a stout 2.25-inch ring gear offset as compared to a 1.5-inch ring gear offset of the later 8.8-inch axle. 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. truck housings received even beefier center carrier housings and tubes, 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. Both axles share a common design and are often referred to as banjo style or third-member style. The case The Ford 8.8-inch axle has the same ring gear mounting distance (see Chapter 7) for all ratios, just like the 9-inch. It is as easy to cut down as any other 8 or 9 inch Ford axel. 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. How To Identify 9 Inch Ford Housings Chart via Speedway Motors. I have included the narrow 8-inch axles for reference. All the Galaxies I have seen from throughout the 1960s With 568 Ford 9 Inch Parts for sale, you're sure to find the ideal parts . Some of the heavier cars like the Galaxies also received the 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 66-75 large bearing, 3. socket size and 7/16" fine thread. 70's. In this chapter I share a summary of decades of work on these axles. Generally, aftermarket shafts have to be purchased Some tags reference the week of the month instead of the exact day and just use a letter (A to E) for first through the fifth week of the month. 31-spline carriers and "Traction Loc" style posi unit. A simple formula to calculate Gear Ratio or Axle Ratios. The Ford 8.8-inch axle has the same ring gear mounting distance (see Chapter 7) for all ratios, just like the 9-inch. It was required to repair a leaking weld. 1960-1967 two dimples, flat center band, oil level hole in the back cover. You are looking for a nodular iron case, with its telltale N cast into the front or inside wall. Calculating the torque multiplication that your axle gears provide is quite easy. In order to verify a nodular unit, you need to look on the inside of the casting. . 2. It has been said that it has a higher . mind as mentioned, the Fairlane spring perch distances were not the same Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. can tell this is a 9-inch from the removable carrier on the front. Ranger Station, Submit Ford Rear Axle Assembly Identification - Page 01 . Would very much apreciate it if someone would post it again. is by far the most abundant case being used in both full size Ford cars Thanks. (The third digit of the axle code identifies the ratio and/or capacity of the front axle, if applicable. Before you embark on the rebuild and start scouring local scrap yards and online websites, it will be helpful to understand what to look for and what to avoid in these axles. 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 It's uncertain if this E $(document).ready( function () {$('#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. 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. the early housings are ok for the average street performance cars. Read more: Torsion Axle Vs. Leaf Spring: The Similarities And Differences. 31-spline carriers and axle shafts. small bearing housing can be differentiated from a large bearing housing Both 8- and 9-inch axle housings are made from a series of stampings that are fixtured and welded together. Dont Be That Guy, Reversing Gears ~ Rescuing Ones Own Derelict 1967 Pontiac GTO, How To Paint a Lace Roof on the Cheap Using Grandmas Curtains, Exploring an Antique Junkyard in the Hills of West Virginia, Engine, Transmission, Chassis Swap Donor Vehicle Look-Up, How To Box-In a Differential / Solid Axle Rear-End Housing, How To Select Proper Rear-End / Differential Gear Ratio, Install Bolt-On Disc Brake Conversion Kit on 8 and 9 Ford Rear-Ends, 1966 Ford Fairlane 427 Twin Turbo Street/Strip RestoMod Build, How To Repair a Twisted Cable End with a Simple Homemade Tool, 1928 Ford Model A Roadster Build by OL School Garage, Engine / Transmission / Chassis Donor Search, Project Cars and Part Donor Cars For Sale. You can do this by multiplying by the gear ratio. Here is an example of a weld repair on a factory original housing. See all 20 photos. Using this data, hopefully you can decide whether you want a 2.73, 3.08, 3.27, 3.55, 3.73, 4.10, or some other gear in your car. This complex fixturing and welding process, coupled with fuel economy concerns, is what eventually led to their production demise. for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes housings also evolved over the years: housings. 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 to the housing, the small bearing housings use 9/16" socket size nuts The close-ratio and C4 289HP trans were mated to the 3.50, and occasionally to the 3.89 and 4.11. You will also learn how to identify the codes in Ford vehicles. These were used sporadically until about 1969. Read more: CV Axle Boot: Overview, Signs, And Replacement. 1/2 ton 4X4 pickups! While the larger offset makes the ring and pinion gears stronger, the additional sliding of the gear teeth creates more heat in the axle. 54" You can install a true 9-inch gear in these housings as well. The other identification information, 9, as observed from the chart, indicates a 3.55 gear ratio of the Ford F-150. carriers, while sometime in the early 70's the switch was made to mostly These third members are the strongest of the production cases and the most desired. GM B-Body Complete 9" Rear End Packages. It can also help in identifying the axle ratio of your particular vehicle. The 7.5" rear end is also flat on top and bottom. The 8-inch also was only available with 28-tooth axle shafts. This chart serves as a general guideline for axle fl ange-to-fl ange width based on different models and production years. the early housings are ok for the average street performance cars. determine which axle housing many cars and trucks received. None of which changes the strength of the axle shaft. Boss 429s, 427s, 428 CJ/SCJ and the 429 cars which received the 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. Note: Rear axle ratios are available for 2008 and newer models. Measuring from axle flange to axle flange (measurement A in the diagram below) will give you total axle housing width. Most of the time, the differences are in shock and spring mounting brackets and, of course, brake hardware. There are four versions of the nodular iron third members that were produced from the factory. Also, since this axle is used in so many circle-track race cars, the 9-inch enjoys an unparalleled availability of different gear ratios in the aftermarket. Ratio & type. Gross Vehicle Weight ( GVW ) would 67-70 Mustang = 59.25 inches. * Coupon does not apply to Oval Size Matters T-Shirt. You are correct sir, these are the standard ratios for 65-66. You can then enter any term, such as Axle Ratio,to search the guide. Real World Hagerty Collector Car Insurance Claim Experience, How To Be Prepared For A Dyno Session And Not Waste Your Money, Holey Goat Father/Son Texas Road Trip 5 Days, and 2000+ Miles, Are You Killing The Hot Rod Community? FMX, three-speed, automatic. Your email address will not be published. Home / Performance Front & Rearends / Parts Department / Ring & Pinion Sets / 9-Inch Ford. Keep in The entire S550 Mustang generation has had 4, due in part to the limited-slip differential option. the Broncos from 1966 to 1977, they stayed with the 28-spline units. The axle identification tag is located at about the 3 oclock position under the third-member mounting nut when you are looking straight at the front of the axle. The 1966 Mustang had 14 possible rear gear ratio/differential combinations. the Broncos from 1966 to 1977, they stayed with the 28-spline units. for 1967-1970 (same as 1966-1969 Fairlane, Torino, Comet & Cyclone non Save my name, email, and website in this browser for the next time I comment. wheel drives) right up until about 1982, these housings are by far the to the housing, the small bearing housings use 9/16" socket size nuts How To Recognize 9-Inch Housing 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 unit on the top left seems to be nodular iron but requires a little more investigation to verify. if one wants to use a 31-spline truck carrier in a car. The leaking weld area is then ground down and a MIG or TIG welder is used for the repair. The them. 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. It has more ground clearance than a Dana 60. The large bearing size was available with fi ve different brake drum widths. This is a sampling of some of them. 2.75 open differential. If you are fortunate enough to find an axle with the identification tag still attached, it will help solve part of the mystery of what application the axle came from and what might still be inside. It allows for the pinion side Center Section to be removed. This bearing and the casting structure surrounding it need to be carefully inspected as this is a common area for cracks. The Ford 8.8-inch axle has a cast center section and the internal components are installed from the rear. The first two digits of the axle code identify the ratio and capacity of the rear axle. Strange Engineerings superior line of Chrome Moly Transmission yokes are manufactured from high quality forgings and fully heat treated to achieve maximum tensile strength. 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. Like the H in our case shows a car with a limited-slip differential. Spring perches must be cut and re-welded in order