A the early housings are ok for the average street performance cars. T & C FORD TOP LOADER 4 SPEED WIDE RATIO 2ND GEAR 31 TOOTH showing . There are a few exceptions that you will see in the Ford Axle code chart. The axle housings themselves had many different variations over time as well. The 8-inch also was only available with 28-tooth axle shafts. socket size and 7/16" fine thread. However, the critical aspects of the rear axle are the axle flanges and axle lengths. used the 9-inch rear, regardless of engine size. 77-81 Lincoln Versailles. So dont be surprised that most of these axles leak from the welds. I have a '50 Club Coupe and have experienced this first hand. Fords 9 inch rear axle was produced from 1957 through 1986 and was installed in nearly every Ford passenger car and truck at one time or another. 1964-1971 Falcon, Comet, some 1965-1969 Mustangs or 1964-1967 Ranchero V8 cars. The 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. Please follow the below information and/or our measuring guide to help This is 2.25 inches for the Ford 9-inch and 1.5 inches for the 8.8-inch axle. Axle medianet_versionId = "3111299"; The more plentiful starting in the early 1970's, many of the units found today Notice that the date code is C9UA with the ring gear size of 8.7. of course most desirable is the N case, first used on the 427 Galaxies 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. 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. 1973-1979 Ford Truck Rear Axle Codes - FORDification.net Ford 9-inch differentials | Hemmings Ford trucks and cars from 1968 onwards are equipped with the Ford Axle codes, which are clearly indicated on the certification plate. 1957 no dimples, flat center band up the center of the rear cover, bottom drain plug. and Fairlane axle housings are often grouped together because they are the 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. larger wheel bearing housings. Selecting the Best Gear Ratio - Mark Williams Enterprises, Inc But to be correct, it is a 3/4 fl oat. Differential Gear Ratio Calculator. Any Ford 9" carrier will fit, as long as it has a fill plug on the side. also received the larger axle bearings housings. carriers, while sometime in the early 70's the switch was made to mostly The "rough" The date code on this axle tag is 7AC, and it corresponds to the 7th year, 1st month (January), and 3rd day. The third reason was basic health and safety concerns for the assembly technicians and other employees who handled the axles in the manufacturing and assembly plants. Ford 9-Inch Axles - The Ranger Station The Lincoln Continental style of disc brakes use 11-inch rotors. for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes The magnesium addition causes the grain structure to change from flakes to nodules and thus the name nodular iron. Gears / Diffs / Install Kits Listed By Vehicle, Standard Gears & Pro Gears Dana / Ford / GM / Mopar, Strange T-Shirts. Our editors pick the products & services we write about. 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? Notice the 8.0-inch ring gear diameter cast into the rear cover below the fill plug. The Ford 9 inch rear end is one of the most popular axles in automotive history. 9 inch ratio chart | Ford Muscle Cars Tech Forum 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! In the early days of hot rodding, with the majority of hot rods being Fords, it stands to reason the '30s and '40s Ford "banjo" rearend dominated the scene. inches Gross Vehicle Weight ( GVW ) would Ford Axle codes help identify the vehicles positraction as well as an axle to gear ratio. A strong 9" with a nodular diff and 31 spline axles is fairly comparable in strength to a stock Dana 60 rear end. many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4 It has a square design with four rounded corners and ten bolts. and 429CJ cars.From what I have seen don't expect to find them in 390 or 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 9 Ford rear axle, so called because of a 9 ring gear diameter, is the choice of many circle track racers because of its strength, availability and ease of maintenance. same width, but the distance between spring perches is different between There is a huge aftermarket support for this axle design. It may not be a stock or original Ford 9 inch rear end, but it carries the originals dimensions and specs and for all intents and purposes they are still considered a Ford 9 inch. Most have the two driving holes for the manufacturing process while one has a more square looking drive end. carriers both, as well as with the spline count on the axle shafts. For the Ford 9" rear end to be smaller and lighter than a Dana 60, the weight has to come from somewhere. other Ford Ranger enthusiasts. by Ford exist in the size of the outer axle bearings in the housings and The Ford 9 inch housing is a semi-floating, drop-out axle. The material and heat treating provide excellent wear service life, but doesn't handle shock loads as well as Pro 9 in gears. control arm mount. There is a very fundamental difference between Fords 8.8- and 9-inch axles. I have included the narrow 8-inch axles for reference. "Pro" gears are designed specifically for drag racing. The code, 4L11, tells us that it is a 4.11:1 ratio with a limited-slip or Traction-Lok differential. The format has changed over the years but mostly follow this sequence:. Tip: To search the Towing Guide, press CTRL + F to open a search box in your . These were used sporadically until about 1969. 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. Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. most abundant. and trucks throughout the 1970s. The Ford Axle code will also help you identify your particular models engine capacity and the year/vehicle make. This is a sampling of some of them. Ring and Pinions from Motive Gear Winners Run RICHMOND! Ford 9 - Smiley's Racing Axle code. This axle tag belongs to a 1977 F-150. The 9-inchs very large pinion offset of 2.25 inches requires the pinion to be straddle mounted, which refers to the fact the pinion head has bearings that straddle it on either side. This is a typical axle tag that has been removed from the third member. 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. From the arrow, you can see the axle code is H9. features the legendary Ford 9-inch ring and pinion strength, 5-on-5.5 lug 2. The Ford 8.8-inch is very similar to the General Motors (GM) 878-inch, 12-bolt axle. Because 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. (narrowest 9-inch housing), 1966-1977 Bronco 58 inches but has 5-on-5 1/2 inch Your email address will not be published. Applications: Ford Used The Dana 70 And Dana 70HD Axles In F-350 Trucks Up To 1985.5. The Ford Mustang and Thunderbird used this style for a few model years. the axle from around the 1957 model year right up until the early 1980s See all 20 photos. Details: Motive Gear . Here is a picture of the milling machine cutting new spline teeth after the axle has been cut to length. Understanding Your Gear Ratio Chart | Red Dot Engineering There are even different drum brake registers. Many people prefer to just call it the Ford 9-inch-style wheel end. The 10,41 gear ratio is also great for off-road activities . (final drop). (It was later used for pick-ups and Broncos.) CLICK HERE to see a complete listing of front axle codes). 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. The same applies to the rear differential. There is typically a stamped steel cover that must be removed to gain access to the internals. Any of the W-series cases do have a fill plug machined in them. The first two digits of the axle code identify the ratio and capacity of the rear axle. People have been climbing around scrap yards for years to find the best examples of the 9-inch axle. The Ford 9 inch rear end is one of the most popular axles in automotive history. Click on the 'Submit' button to find out how you 67-70 Mustang = 59.25 inches. Mustang Rear End Gear Ratios & Axle Guide - LMR.com Our experts will help you find the correct ring and pinion set for your particular application. It can also help in identifying the axle ratio of your particular vehicle. Theres an easy way to tell an 8-inch apart from a 9-inch. 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. As part of my research, I went to renowned Currie Enterprises and gathered one of just about every different 9-inch axle variant. 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. Paint gmc dupont charts reference chart 1956 1959. Some of the heavier cars like the Galaxies also received the If you know your axle tag number, simply go to the second table. Note the two lower bolts at 6 and 7 oclock have straight access with a socket. About | Contact | Terms | Privacy. Ford differential tags are very . The image below shows the Safety Label of a Ford Truck. Generally most cars received the small axle bearings and 28-spline axle weakest and had abrupt ending but welded carrier centers to tubes and a Ford rear ends, or differentials, were manufactured by either the Dana Corporation or Ford. for 1967-1970 (same as 1966-1969 Fairlane, Torino, Comet & Cyclone non Select the Towing Guide for your vehicle's model year. It was not the only axle used, but was by far one of To determine the axle ratioof your vehicle, locate thetwo-digitaxle code first, then use your vehicle'stowing guide to find the axle ratio that corresponds to that code. Our example is going to assume a 6000 rpm redline and 26-inch-diameter tires. This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. widths I keep in mind for Mustangs are the following: 52" We stand behind our products with some of the smartest technicians in the industry. Ford Rear Axle Assembly Identification - Page 09 31-spline car shafts. The later 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. People tend to be drawn to it like a magnet. Pay attention to the Axle column, where you will get the correct Axle identification code similar to the one stamped on a metal tag on the rear-end axle. Some even consider these axles to be bulletproof. Many racers carry an extra carrier assembly for their 9 inch third member with a different rear end ratio so they can try different combinations on the same day while at the track. Width: all measurements are flange to flange. 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. For a Ford 9 inch rear end, swapping gears is fairly easy as it has a removable third member. 65-66 Mustang = 57.25 inches. Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. 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. This complex fixturing and welding process, coupled with fuel economy concerns, is what eventually led to their production demise. and this style of center carrier housing is best suited for drag cars or 67-71 Comet, Cougar, Mustang, Fairlane = 59.25 inches. 66-75 small bearing, 2. Proceed to match the code with its corresponding Axle Ratio column on the table to find the ratio. There was a desire to have the stronger, larger tubes near the center of the axle but still retain the narrower tube ends for the wheel ends and the unique Shelby suspension brackets. What Is Car Battery Voltage And Why Is It Important? While we do offer cut-to-fit axles, you still need to ensure you have the proper measurements to be within the cut-to-fit area of the axle's splines. The other identification information, 9, as observed from the chart, indicates a 3.55 gear ratio of the Ford F-150. Mustangs These used what is referred to as a 289 Hipo cars.The N cases went with 31 spline centers and are for rugged Also note there isn't a cover on the rear like most axles. Most of the later trucks smooth backside. Repairing a twisted brake or throttle cable with a simple homemade tool in just minutes Easy and functional. Later This roadster sounds amazing, goes hard and turns heads wherever it goes. common carrier housing found is the C7AW-E. PDF Differential ID Chart - Summit Racing Equipment . The rear end width is important on shoebox Fords if you want some selection on wheels. Dana 50 - Ford Front Dana 60 - Standard or Reverse Rotation Ring Gear Diameter: 9" / 229mm Ring Gear Diameter: 9.75" / 248mm Pinion Diameter / Spline: 1.375" / 26 Pinion Diameter / Spline: 1.625" / 29 Ring Gear Bolts: (10) 7/16"x20 RH Ring Gear Bolts: (12) 1/2"x18 RH Cover Bolts: 10 Cover Bolts: 10 Carrier Breaks: None Carrier Breaks: 4.10 / 4.56 These used what is referred to as a The Daytona- style cartridge allows for a larger pinion head bearing when compared to the standard pinion cartridge. It is a banjo-style axle as is the 8-inch. This allows quick gear ratio changes to accommodate different tracks or updates to your vehicles horsepower and torque ratings. Measuring for your 9-inch axles requires a few basic measurements to be taken. small bearing housing can be differentiated from a large bearing housing Strange Engineerings superior line of Chrome Moly Transmission yokes are manufactured from high quality forgings and fully heat treated to achieve maximum tensile strength. wood and natural gas. None of which changes the strength of the axle shaft. When measuring from the top left bolt to the bottom left bolt, the 8.8" rear end will measure 11" from bolt to bolt. 70's. and 429CJ cars.From what I have seen don't expect to find them in 390 or This bearing is one of the reasons that the 9-inch has the reputation for being bulletproof. * Pro Gears are specifically designed for drag race only. Locate the Safety Compliance Certification Label on the driver's side front or rear door panel. replaced, and that is why it remained in use for so long. Ray. 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 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. One exception to this was The GoJak wheel dolly makes moving immobile vehicles around your shop easy as place, pump, and push! 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. Spring perches must be cut and re-welded in order It's important to know the friction quality and pad size before selecting a new set of disc brake pads. Rhodes Race Cars Unwelded Fabricated Rear End Housing Ford 9 in. The same applies to vehicles with codes containing numbers alone. Ford Differential Axle Codes. You must confirm the flange version to be able to order the correct drum brake backing plates, disc brake conversion kit, or even the axles bearing retainer. 8" ford rear ends. what gears available? | The H.A.M.B. the best. Ranger Station, Submit Info To Share? The primary purpose of this plate is to show you if your vehicle is equipped with a limited-slip to rear-end differential. If the socket fits (as shown in our photo below) it is a Ford 8-inch housing. 8.75, 9.25, Ford 9 inch, and GM's 8.25 inch . GM Chevy S10 82-04 Complete 9" Rear End Package. 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. A simple formula to calculate Gear Ratio or Axle Ratios. 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 . are you wanting the listing for the ratio tags? These tags provided information for the service technicians but wasnt that important for the vehicle assembly plants. 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. We offer a guide to follow when selecting a new set of brake pads for your race or street car. I remember that the car had a bad pinion bearing and when I took the rear end apart the pinion would just barely fit through the pinion support hole in the case. Restoration matching issues will be avoided since the right optioned components will be used to make the restoration. as the Mustang. 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. The rear-end housing has a vast amount of ford 9-inch gear ratios available. The 9-inch ring and pinion is front-loaded into the rear end housing. How To Recognize 9-Inch Housing The typical 3 inch-diameter tubes can be a bit flimsy in higher-power applications. This will ensure that the correct replacement parts are purchased or salvaged from a junkyard to be used in the vehicle. Keep in Standard Ford 9 inch gear sets are primarily used in street applications. (The third digit of the axle code identifies the ratio and/or capacity of the front axle, if applicable. Select the Towing Guide for your vehicle's model year. 1999 Ford Ranger Rear Axle Assembly7.5 RING GEAR, 9 BRAKES, 3.73 RATIO with 3/8" fine thread, while the larger bearing use 11/16" Read more: CV Axle Boot: Overview, Signs, And Replacement. larger wheel bearing housings. for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch Also notice the part number and metal axle tag.

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