People have been climbing around scrap yards for years to find the best examples of the 9-inch axle. The 28-tooth axle shafts are typically tapered and cannot be shortened. This was an 8.75- inch ring gear in a 9-inch housing. This not easily accomplished with integral carrier axles, like the GM 10- and 12-bolt. On this particular third member, the original copper washers that were under the factory fasteners have been discarded as well. The first number is the last digit of the model year of the decade, the next digit is a letter and represents the month (A is for January, B is for February, and so on), and the last two digits represent the day of the month. earlier housings used in cars from 1957 to mid 1960s tended to be the Watch the video for all the details and you'll wonder why your shop hasn't had a set sooner! Ranger Station, Submit popular early swap being the 1957-1959 Ford for the 1965/1966 Mustang. You will also learn how to identify the codes in Ford vehicles. Generally, aftermarket shafts have to be purchased The code, 4L11, tells us that it is a 4.11:1 ratio with a limited-slip or Traction-Lok differential. It allows for the pinion side Center Section to be removed. This chart applies to all Ford non-overdirve transmissions, manual and automatic. I have also spent many hours in scrap yards and visiting and interviewing the experts in this field along with years of building numerous axles myself. This is not a nodular unit. Keep in There are also unique domestic special-option tags, which dont follow the format. It is an 8 inch rear axel so many parts interchange with many other years Fords and Mercury's using an 8 inch axel. For instance, if both the engine and transmission deliver up to 100 ft./lbs. carriers both, as well as with the spline count on the axle shafts. Identifying a differential hinges the ability to distinguish the two primary rear-end types---the 8- or 9-inch rear end---denoting ring-gear size. The date code is stamped on the tag. 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. Like the H in our case shows a car with a limited-slip differential. in cars and trucks. A metal axle tag is typically located on the driver-side front of the third member. Ford Rear Axle Assembly Identification - Page 09: NOTE: Axle tag location and appearance may vary by application. replaced, and that is why it remained in use for so long. These tags were not that informativeon the early units, so from 1957 to 1962 the tag just referenced axle ratio. 1/2 ton 4X4 pickups! As part of my research, I went to renowned Currie Enterprises and gathered one of just about every different 9-inch axle variant. People tend to be drawn to it like a magnet. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. Remember to locate the Safety Standard Certification label on the left side door post as you open the door. These used what is referred to as a trucks varied more, early half ton trucks got the 28-spline axles and The WAR, WAA, and WAB cases have the same ribbing as the N case, but are missing the ever important N feature. Locate the Safety Compliance Certification Label on the driver's side front or rear door panel. These shafts had a longer brake spacing offset and a unique brake drum register diameter of 2.870 inches, which was uncommon for the time. Notice that the date code is C9UA with the ring gear size of 8.7. The 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. So rare Ford dropped it after 66, when they also dropped the 7" Equalock. for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes The complete guide to master any grease gun, Battery vs. Starter vs. Alternator: How to jumpstart even the most stubborn of car. A Most of the later trucks I have a '50 Club Coupe and have experienced this first hand. can get your submission posted and acknowledged A differences, 28-spline car axle shafts are much more abundant than the 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. We offer a guide to follow when selecting a new set of brake pads for your race or street car. . Ford Rear Axle Assembly Identification - Page 01 . The Lincoln Continental style of disc brakes use 11-inch rotors. The 1960s to 1967s still retain the dimples but also have an oil level plug in the back cover. Most 1972 and earlier 31-tooth spline shafts can be shortened and 1973 and later versions typically cannot be resplined. There are even different pinion cartridges that have been available from the various production years and models for this axle. Only the N-series cases are made out of the stronger, more desirable, nodular iron. Fords small block and big block engine families have their share of flexplate differences. H. 2.75 locking differential. GM Tri 5 55-57 Chevy Complete 9" Rear End Package. The desirable N-style, nodular-iron gear cases are available in four different versions. 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. 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. When you buy through our links, we may get a commission. 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 . So dont be surprised that most of these axles leak from the welds. Keep in Gross Vehicle Weight ( GVW ) would in the backside middle and stronger tubes. 66-75 small bearing, 2. Projector vs. Reflector: Plan to upgrade your headlights? The Ford 9 inch housing is a semi-floating, drop-out axle. "Pro" gears are designed specifically for drag racing. Strange Engineerings superior line of Chrome Moly Transmission yokes are manufactured from high quality forgings and fully heat treated to achieve maximum tensile strength. * Pro Gears are specifically designed for drag race only. The 9-inch housings center section will not allow the socket to clear, and you must remove the two bottom retaining nuts with a boxed end wrench. the best. There are a few exceptions that you will see in the Ford Axle code chart. The Independent Rear Suspension (IRS) used in '99-'04 Cobras and the current Mustang use almost the same differential as the standard 8.8. actual car posi units, which were primarily 28-spline carriers, can be The ranger truck works good with a 9-inch from a 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 . Read more: CV Axle Boot: Overview, Signs, And Replacement. The axle was developed to replace the Ford 9-inch axle.This axle is still in production today for a variety of Ford vehicles. Note the weld on the top of the axle center section along with the oval-shaped dimples on the rear section. the few cars and early Broncos (and some early trucks) which received "N Case" was no longer needed for passenger car/truck 100 x 4.12. I had an early '70's Lincoln with a 460 come into the shop one time and it had the 2.33:1 ratio in a 9 inch. 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. This bearing and the casting structure surrounding it need to be carefully inspected as this is a common area for cracks. 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. there is the letter "N" than this is a NODULAR CASE (GREAT) this How to Narrow a 9 Inch Ford Rear End. version of the case came into use in 1967 or in subsequent years, but it There are a few exceptions that you will see in the Ford Axle code chart. With the chart in hand, locate your vehicles axle code on the axle code column. It's uncertain if this E But it will also use more fuel in all situations because the engine's rpm will be higher. This is because the supply is limited to While the 8.8 is similar to the 12-bolt, it isnt identical. We'll work to keep you motivated and informed and with industry news, product information and reviews, event coverage, and well-curated articles and stories intended to inspire and educate. 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.. 67-70 Mustang = 59.25 inches. Leaf Spring: The Similarities And Differences, Front Axle Of A Car: Types, Functions, And Replacement, CV Axle Boot: Overview, Signs, And Replacement. The later 1964-1971 Falcon, Comet, some 1965-1969 Mustangs or 1964-1967 Ranchero V8 cars. Performance Front & Rearends GM Vehicles Since the "Limited slip" or Locking rear end Many people prefer to just call it the Ford 9-inch-style wheel end. The rear-end housing has a vast amount of ford 9-inch gear ratios available. 2.75 open differential. 1960-1967 two dimples, flat center band, oil level hole in the back cover. Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. When you look on the inside, you see WAB- 4025A. The 9-inch third-member bottom fasteners, on the left, can only be accessed with a wrench. them. widths I keep in mind for Mustangs are the following: The Of the four versions of the N case, three have an actual N cast into it right above the pinion cartridge. 76-77 large bearing. for 1967-1970 (same as 1966-1969 Fairlane, Torino, Comet & Cyclone non These first became available on the 1964 Galaxies with the 427-ci engine and were found on many higher horsepower cars and trucks. C-6, three-speed, automatic. Typically with just this information, you can cross reference what you need to know about the axle. With 568 Ford 9 Inch Parts for sale, you're sure to find the ideal parts . The bottom line begins with the ratio being the first set of numbers. (It was later used for pick-ups and Broncos.) This strengthens the whole rear end assembly. The image below shows the Safety Label of a Ford Truck. This larger offset (hypoid distance) between ring-gear . much more difficult to locate. allow larger ring gear to fit. Ford 9.5 PRO GEAR* *PRO GEAR RATIO PART NO. Careful aftermarket shops and their stringent attention to repairing these housings are able to correct many of these issues. Gears / Diffs / Install Kits Listed By Vehicle, Standard Gears & Pro Gears Dana / Ford / GM / Mopar, Strange T-Shirts. Ford Axle code identification, Read more: Front Axle Of A Car: Types, Functions, And Replacement. used the 9-inch rear, regardless of engine size. The 9-inch ring and pinion is front-loaded into the rear end housing. Use this information at your own risk. You can install a true 9-inch gear in these housings as well. Have Notice the 8.0-inch ring gear diameter cast into the rear cover below the fill plug. Let's see, I have had 2.79. 1/2 ton 4X4 pickups! replaced, and that is why it remained in use for so long. In order to allow for the additional straddle mounted bearing and casting support structure, the hypoid offset needs to be large enough to clear the differential case. All the Galaxies I have seen from throughout the 1960s 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. The BOM will identify the model number, the gear ratio, the type of differential, and all component parts. Again, the overall first-gear ratio with the TH400 and 4.10:1 rear gear would be 10.168:1. Now that you have identified the axle code, let us know the axle ratio. This is a sampling of some of them. This is by far the most common axle used by restorers, hot rodders, customizers, and racers. Ford 8 Ford 9: CLICK FOR MORE INFO. For reference, this section from the Ford MPC is posted . We'll also walk you through choosing the correct parts in order to make this installation a breeze! . carriers, while sometime in the early 70's the switch was made to mostly nickel content and better casting than the earlier single ribbed cases it The certification plate can be located on the lock face of the left door edge. duty.And believe it or not, they were also used in some FE equipped Ford The instructions below will walk you through the steps. 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. The large bearing size was available with fi ve different brake drum widths. housings appeared in either 1966 or 1967 with the familiar "Hump" Exceptions to this were the ultra Hi performance Boss 302s, I have included the narrow 8-inch axles for reference. and Fairlane axle housings are often grouped together because they are the Front Axle Codes While the parts catalog says "The third digit of the axle code identifies the ratio and/or capacity of the front axle", that is not true.As seen below, there are only 4 codes (2 - 5) and they do not define the axle ratio nor capacity.In fact, to find the front axle ratio you need the codes off the axle itself, as shown here: 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. 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. GM F-Body Complete 9" Rear End Packages. The cast-iron third member is installed from the front of the housing. The heat treated aluminum alloy well suited to absorb high impact shock loads. This bearing is one of the reasons that the 9-inch has the reputation for being bulletproof. are you wanting the listing for the ratio tags? 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. Ford 9-inch can be found under 1974-1986 F-150s and 1978-1986 Broncos. This is a relatively common issue on these housings. 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. Written by Joe Palazzolo and Republished with Permission of CarTech Inc. The case This axle tag belongs to a 1977 F-150. The transmission yokes are CNC machined to assure concentricity and balance for ideal driveshaft operation. Some axle shafts can be shortened and a new spline machined in place. if one wants to use a 31-spline truck carrier in a car. JavaScript is disabled. Our example is going to assume a 6000 rpm redline and 26-inch-diameter tires. The last set of numbers is the vehicle plant code. The Ford 8.8-inch axle has a cast center section and the internal components are installed from the rear. Tip: To search the Towing Guide, press CTRL + F to open a search box in your . It was not the only axle used, but was by far one of The 7.5" rear end is also flat on top and bottom. There is a gear ratio stamped on the tag. This video is a good example of what goes into the process . 77-81 Lincoln Versailles. On some tags, the first 2 digits don't appear on the tag, but they must be used to identify the axle. small bearing housing can be differentiated from a large bearing housing This complex fixturing and welding process, coupled with fuel economy concerns, is what eventually led to their production demise. large-bearing semi-floating axles, and many can be found with hefty 31-spline 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. common carrier housing found is the C7AW-E. How can one verify "Posi" without taking the differential apart? medianet_height = "250"; 3. 3. We offer Ford Racing ring and pinion gear sets in 3.55, 3.73, 4.10 and 4.56:1 gear ratios for solid axles, as well as Motive Gear's 3.90 and 4.30:1 gear sets. . dimples. These axles did have metal axle tags similar to the 9-inch axles but they were slowly phased out as vehicle programs were updated. Because Some of the 9-inch truck differentials will have an exaggerated hump on the rear cover to . No. It was also used in the 1983-1996 full-size Bronco, and E150 Econoline . Unless you are building a Pinto or straight six-cylinder vehicle, you want to avoid it. For a Ford 9 inch rear end, swapping gears is fairly easy as it has a removable third member. This is an example of the only Ford 9-inch version that utilized one-piece tubes. It is a banjo-style axle as is the 8-inch. It was not the only axle used, but was by far one of But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not realistic. This chart serves as a general guideline for axle fl ange-to-fl ange width based on different models and production years. 31-spline carriers and "Traction Loc" style posi unit. 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. This pinion has the tapered bearings and collapsible spacer in place. 4. at car swap meets and shows are the units pulled from trucks with the Generally, aftermarket shafts have to be purchased The 1958s and 1959s have two dimples on either side of the housing and some have drain plugs. 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. The The date code on this axle tag is 7AC, and it corresponds to the 7th year, 1st month (January), and 3rd day. 74-75 medium duty large bearing, and. Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. The LS swap is no doubt still going strong, but if youre planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, youll need to pay attention to a few items we discuss in this buyers guide. applications due to the demise of most performance engine options in the Any sufficiently advanced technology is indistinguishable from magic . much more difficult to locate. For the Ford 9" rear end to be smaller and lighter than a Dana 60, the weight has to come from somewhere. And you can find the axle code charts on the internet from your manufacturer. So, after crawling under just over 50 Cars, trucks etc at the local Upull, I found that a 1995 2wd 2.3 Ranger has the correct length driveshaft at 47.5".chevy truck driveshaft length chart. 31-spline carriers and axle shafts. Ford non-overdrive transmissions include: C-4, three-speed, automatic. 56" Tip: To search theTowing Guide, press CTRL + Fto open a search box in your browser. larger wheel bearing housings. as the Mustang. However, the critical aspects of the rear axle are the axle flanges and axle lengths. always looking for good content to share with The original carrier is normally equipped with a CV joint flange, which can be replaced with a U . can easily tell this is a 9-inch from the hump in the rear and (2) the few cars and early Broncos (and some early trucks) which received Strange engineering offers a variety of steel retainer plates to be used with drum and some disc brake applications. 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.
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