Measuring for your 9-inch axles requires a few basic measurements to be taken. 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 exception is the 2002-2003 Ford Explorer Sport which still used the solid rear 8.8-Inch axle. Variations The Info To Share? The "rough" "N the early housings are ok for the average street performance cars. These have a C4AW-4025-B casting part number next to the adjuster nut. In the 1980s and 1990s, the Lincoln Versailles brakes and complete axles were highly sought after because it was the only way to get a 9-inch axle with discs in a 58-inchwide axle package. For instance, if both the engine and transmission deliver up to 100 ft./lbs. station wagons-cars with 351 and up engines received 9-inch units - as did Learn how to hook up a 1-wire alternator on your vehicle. Dont be surprised if the tag you have does not exactly match this. Some of the heavier cars like the Galaxies also received the Pairing your vehicle with the wrong axle components will not only damage your vehicle but cost you a lot down the line. Typically with just this information, you can cross reference what you need to know about the axle. The narrowest production 9-inch axle is 56.375 inches. There are 4 different sets of rear axles that would have come stock in 66-77 Broncos. 800-646-6718. carriers both, as well as with the spline count on the axle shafts. A forum community dedicated to Ford performance owners and enthusiasts. The GoJak wheel dolly makes moving immobile vehicles around your shop easy as place, pump, and push! We're Performance Front & Rearends GM Vehicles The Get any 3 for $25 plus shipping. 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. The Ford 8.8-inch is very similar to the General Motors (GM) 878-inch, 12-bolt axle. 31-spline carriers and axle shafts. 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. CASE" There is a ton of aftermarket support for this axle (see Chapters 3 and 4 for more details). only need to carry one spare should you choose to. If the socket fits (as shown in our photo below) it is a Ford 8-inch housing. Mismatching issues are a big problem when it comes to automotive repairs. 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. From my piles of rare parts, here is an independent cast-iron 8.8-inch carrier axle. The format has changed over the years but mostly follow this sequence:. I put together a whole collection of housings and third members. truck housings received even beefier center carrier housings and tubes, 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: Torsion Axle Vs. with 3/8" fine thread, while the larger bearing use 11/16" This is a sampling of some of them. mind as mentioned, the Fairlane spring perch distances were not the same Where A=the first number (static reduction), Bi=Gear diameter, Bf=Ring Gear diameter, Cf= (Crown Wheel dia.) Axle length is not always identical from side to side, as many 9-inch applications use an offset center, so you must measure the housing carefully to be able to order the proper axles. * Pro Gears are specifically designed for drag race only. Because 66-75 large bearing, 3. 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. Buyers Guide. Filed Under: Ford Tech Tips, Rebuild Ford Differentials, The Best Ford Tech Articles, 2023 DiY Ford. Ford codes may have one or two characters, but any code starts with a letter. popular early swap being the 1957-1959 Ford for the 1965/1966 Mustang. 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 . "N Case" was no longer needed for passenger car/truck 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 is an 8 inch rear axel so many parts interchange with many other years Fords and Mercury's using an 8 inch axel. Finding the location of this certification plate is easy. The smaller 8-inch just cannot handle the abuse as its bigger brother can. The aftermarket Daytona-style pinion cartridge accommodates the larger and stronger pinion head bearing. It is the one most commonly 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. Original gear ratios range between 2.79:1 and 5.43:1, and aftermarket replacement gears are available for many ratios as well. If you are looking for an N case or think that you have found one of these desirable axles, make certain to examine it closely. Paint gmc dupont charts reference chart 1956 1959. by the size of the nuts and thread used to retain the brake backing plates This is not a nodular unit. of course most desirable is the N case, first used on the 427 Galaxies Here is a picture of the milling machine cutting new spline teeth after the axle has been cut to length. *** SELECT GEAR RATIO FOR PRICE *** Categories. 8.75, 9.25, Ford 9 inch, and GM's 8.25 inch . if not I have other 9" info archived I can post. The Ford Axle code will also help you identify your particular models engine capacity and the year/vehicle make. These were used sporadically until about 1969. . You bring the gumption. The 8.5- and 8.8-inch gears have even found themselves in the independent-carrier-style axles. With so many better performing aftermarket options today, there is no reason to use these marginal brakes. 54" Ford 9.5 PRO GEAR* *PRO GEAR RATIO PART NO. Strange engineering offers a variety of steel retainer plates to be used with drum and some disc brake applications. You are correct sir, these are the standard ratios for 65-66. shafts. We stand behind our products with some of the smartest technicians in the industry. Any Ford 9" carrier will fit, as long as it has a fill plug on the side. The transmission yokes are CNC machined to assure concentricity and balance for ideal driveshaft operation. There were many instances of cuts and scratches from the thin steel tags sticking up on the axles. inches There are several reasons for this. Both 8- and 9-inch axle housings are made from a series of stampings that are fixtured and welded together. Johns Industries Nodular Iron Assembly N1905JI $1728.00 With Open (New Gear) With Full Light Weight Spool $1409 With Trac-loc $1770 With Truetrac $1974 This third member comes with: A new, U.S.A. made John's nodular iron 9 inch case Case one pound lighter than the original Ford case Rated for up to 750hp A new U.S.A made John's billet aluminum pinion support A new forged pinion yoke of your . Our experts will help you find the correct ring and pinion set for your particular application. The code, 4L11, tells us that it is a 4.11:1 ratio with a limited-slip or Traction-Lok differential. version of the case came into use in 1967 or in subsequent years, but it When you buy through our links, we may get a commission. 31-spline carriers and axle shafts. 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. And you can find the axle code charts on the internet from your manufacturer. shafts. nickel content and better casting than the earlier single ribbed cases it housings appeared in either 1966 or 1967 with the familiar "Hump" For example: The tag will say: 350 for 3.50:1 ring and pinion gear ratio. (It was later used for pick-ups and Broncos.) Once you have identified the label, locate the word AXLE under the bar code section. Traditional BOM's are 6 digits followed by 1 or 2 digits and start with the numbers 60 or 61. 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. GM B-Body Complete 9" Rear End Packages. 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.. if one wants to use a 31-spline truck carrier in a car. These tags are typically quite beat up, twisted, and rusted over the years. Proceed to match the code with its corresponding Axle Ratio column on the table to find the ratio. The Ford chart below contains a general decoder system for Ford pickup from the 1980s till the 1990s. There are a few exceptions that you will see in the Ford Axle code chart. First locate your current gear ratio and tire diameter and then find your approximate RPM at 65 MPH, then reference your new tire diameter with your desired RPM to find the new gear ratio needed. 289 Hipo cars.The N cases went with 31 spline centers and are for rugged 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. wheel drives) right up until about 1982, these housings are by far the small bearing housing can be differentiated from a large bearing housing A 2-inch version is not shown. The Maverick 8" or Ranger 7.5 and 8.8 are good options. and 429CJ cars.From what I have seen don't expect to find them in 390 or Hot rodders and drag racers use 9 Ford rear-ends and their aftermarket descendants in just about everything not just Ford cars and trucks. bearings, 28 and 31 splines, 57-68 passenger car and 1/2 ton truck - medium duty, stronger than Mustang When you purchase through links on our site, we may earn an affiliate commission, which supports our community. and 429CJ cars.From what I have seen don't expect to find them in 390 or The WFE-V2 helps us fi nd the decade of the 1970s. 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. 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) . used the 9-inch rear, regardless of engine size. the few cars and early Broncos (and some early trucks) which received This chart references the connection between the month codes and the actual month. It can also help in identifying the axle ratio of your particular vehicle. GM X-Body Nova Complete Rear End Packages. This chart applies to all Ford non-overdirve transmissions, manual and automatic. 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 Our Mopar flexplate buyers guide will help. The complete guide to master any grease gun, Battery vs. Starter vs. Alternator: How to jumpstart even the most stubborn of car. For example, Ford says the 2018 F-350 Super Duty 4x2 regular cab pickup equipped with the 6.2-liter . for the swap to be performed. The Ford 9-inch can be found under 1974-1986 F-150s and 1978-1986 Broncos. version of the case came into use in 1967 or in subsequent years, but it duty.And believe it or not, they were also used in some FE equipped Ford 1973-1979 Ford Truck Rear Axle Codes. The image below shows the Safety Label of a Ford Truck. If your vehicle has a Limited Slip Differential, it will be noted as Limited Slip. Gross Vehicle Weight ( GVW ) would $(document).ready( function () {$('#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. Why is the Ford 9in rear end the go to rear axle for street and strip builds for over 70 years? 52" The other identification information, 9, as observed from the chart, indicates a 3.55 gear ratio of the Ford F-150. Ratio & type. The Daytona- style cartridge allows for a larger pinion head bearing when compared to the standard pinion cartridge. 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. 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 close-ratio and C4 289HP trans were mated to the 3.50, and occasionally to the 3.89 and 4.11. differences, 28-spline car axle shafts are much more abundant than the many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4 It is common to find a 9-inch in a old Falcon or Ford Rear Axle Assembly Identification - Page 09: NOTE: Axle tag location and appearance may vary by application. It was also used in the 1983-1996 full-size Bronco, and E150 Econoline . It's important to know the friction quality and pad size before selecting a new set of disc brake pads. This case looked like a nodular unit from the front regarding rib structure but did not have the N on it. Gross Vehicle Weight ( GVW ) would These variations include different-size drum brakes, disc brakes, and wheel hub arrangements. Also notice the part number and metal axle tag. No Brake Fluid Coming Out When Bleeding: The Causes and How to Fix, 15 PENSKE Truck Warning Lights: Video Included, Manufacture date of the particular car model (DATE). and trucks throughout the 1970s. The middle number is the ring gear diameter in inches, typically an 8 or 9. The typical 3 inch-diameter tubes can be a bit flimsy in higher-power applications. However, the critical aspects of the rear axle are the axle flanges and axle lengths. The As part of my research, I went to renowned Currie Enterprises and gathered one of just about every different 9-inch axle variant. It is easy to locate the Axle Ratio from the Axle code, but first, we need to know how to get the Ford axle code itself. small bearing housing can be differentiated from a large bearing housing Give us a call at 800-216-1632 to get started. Many aftermarket companies produce 9 Ford equivalent rear axles for the drag racing and hot rod industry. The Ford 9 inch rear end is one of the most popular axles in automotive history. replaced, and that is why it remained in use for so long. the few cars and early Broncos (and some early trucks) which received 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 heat treated aluminum alloy well suited to absorb high impact shock loads. How To Identify 9 Inch Ford Housings Chart via Speedway Motors. Ford used Call us at (864) 843-9275. There are even different drum brake registers. Gears / Diffs / Install Kits Listed By Vehicle, Standard Gears & Pro Gears Dana / Ford / GM / Mopar, Strange T-Shirts. People tend to be drawn to it like a magnet. SHARE THIS ARTICLE: Please feel free to share this post on Facebook / Twitter / Google+ or any automotive Forums or blogs you read. 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 Since the "Limited slip" or Locking rear end Any of the W-series cases do have a fill plug machined in them. The 1966 Mustang had 14 possible rear gear ratio/differential combinations. 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. Because of the long production history of this axle, many variants are available. The ranger truck works good with a 9-inch from a The primary purpose of this plate is to show you if your vehicle is equipped with a limited-slip to rear-end differential. It was not the only axle used, but was by far one of On some tags, the first 2 digits don't appear on the tag, but they must be used to identify the axle. the Broncos from 1966 to 1977, they stayed with the 28-spline units. With their high-volume production, the two biggest quality problems were leaks from poor welds and poor alignment of the housings. If you liked this article you will LOVE the full book. 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. 9-inch (cars) have a 5-on-5 bolt circle and the axles cannot be shortened. You will also learn how to identify the codes in Ford vehicles. in cars and trucks. But to be correct, it is a 3/4 fl oat. 1972 and earlier, 31 spline axles have the ability to be shortened. There is a gear ratio stamped on the tag. This consists of the Ford Pickup F100 lineup till the Ford F350 lineup. always looking for good content to share with is the strongest factory case made BY FORD!!! First, you need to understand some fundamentals of the Ford axles to help guide your quest. How can one verify "Posi" without taking the differential apart? It has been said that it has a higher Axle We can teach you some of the major differences between the Ford and GM-style T5 Flathead transmission adapter kits. Anyone know? Ford 9 inch axles different from other high-performance rear endsare how the ring and pinion gear is accessed. Now you can see the C4AW-4025-B part number on the lower left unit, which verifies it as a nodular unit. The Boss 429s, 427s, 428 CJ/SCJ and the 429 cars which received the The later (See Chapter 8 for how to install a 9-inch in a classic 1957 Chevy Bel Air as a performance upgrade.). Ford trucks and cars from 1968 onwards are equipped with the Ford Axle codes, which are clearly indicated on the certification plate. Besides the styling of the Ford Edsel, even the axle shafts were very unusual. Here is a quick visual summary: The 1957 housings do not have dimples on them and have an oil drain plug. Save my name, email, and website in this browser for the next time I comment. The Lincoln LS and Jaguar S-type were equipped with an 8-inch, castaluminum, independent- style carrier. 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. as the Mustang. You can install a true 9-inch gear in these housings as well. 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. The same applies to vehicles with codes containing numbers alone. wheel drives) right up until about 1982, these housings are by far the Note: Rear axle ratios are available for 2008 and newer models. Axle - as in the Mustang line, most however never received a factory 9-inch). 1957 no dimples, flat center band up the center of the rear cover, bottom drain plug. 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). Most of the later trucks The leaking weld area is then ground down and a MIG or TIG welder is used for the repair. for it. Find the two-digit code under AXLE. in the backside middle and stronger tubes. You 1. narrowed rear ends due to the added strength in the middle. 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). 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. Many people are not aware that Ford made a smaller banjo axle and confuse the 8-inch for a 9-inch. 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. There are 8.5-inch gears installed in these housings for lowerpower vehicle applications. Ford 9 Inch Rear End Gear Ratios Chart1969 impala ss 427 4 speed. 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. It has a square design with four rounded corners and ten bolts. The axle tag typically has two lines of numbers and letters stamped on it. features the legendary Ford 9-inch ring and pinion strength, 5-on-5.5 lug . 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Leaf Spring: The Similarities And Differences. determine which axle housing many cars and trucks received. The ring and pinion are then accessed, also from the front, by removing another 10 bolts. Ford intermediates with big blocks. Fords small block and big block engine families have their share of flexplate differences. For a better experience, please enable JavaScript in your browser before proceeding. for 1967-1970 (same as 1966-1969 Fairlane, Torino, Comet & Cyclone non Torsion Axle Vs. 31-spline axles and carriers for most trucks. 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. The Ford 8.8-inch axle has the same ring gear mounting distance (see Chapter 7) for all ratios, just like the 9-inch. much more difficult to locate. Note the two lower bolts at 6 and 7 oclock have straight access with a socket. The case Since the "Limited slip" or Locking rear end 289 Hipo cars.The N cases went with 31 spline centers and are for rugged VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. Home / Performance Front & Rearends / Parts Department / Ring & Pinion Sets / 9-Inch Ford. (narrowest 9-inch housing), 1966-1977 Bronco 58 inches but has 5-on-5 1/2 inch Ford 9-inch can be found under 1974-1986 F-150s and 1978-1986 Broncos. It is the one most commonly Ford Differential Axle Codes. The desirable N-style, nodular-iron gear cases are available in four different versions. Most of the time, the differences are in shock and spring mounting brackets and, of course, brake hardware. common carrier housing found is the C7AW-E. 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. 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 Fora platform includes forum software by XenForo. Variations Because of their strength, youll see these 9 inch rear ends used in just about every make of car, truck, and customs. . N-case. (CROSS SECTION WIDTH x 0.ASPECT RATIO x 2 25.4) + WHEEL DIAMETER = OVERALL TIRE DIAMETER.
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