* Pro Gears are specifically designed for drag race only. No. by Ford exist in the size of the outer axle bearings in the housings and
The 1958s and 1959s have two dimples on either side of the housing and some have drain plugs. 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. The 8.5- and 8.8-inch gears have even found themselves in the independent-carrier-style axles. TEETH 1 4.11 79-0097-1 37-9 1 4.29 79-0098-1 30-7 1 4.57 79-0101-1 32-7 2 5.14 79-0109-L 36-7 2 5.17 79-0112-L 31-6 2 5.20 79-0111-L 26-5 For Maximum . 4. Save my name, email, and website in this browser for the next time I comment. The 8.8 is a traditional semi-fl oat Salisbury axle with C-washers for axle retention. Ford non-overdrive transmissions include: C-4, three-speed, automatic. 1972 and earlier, 31 spline axles have the ability to be shortened. larger wheel bearing housings. 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 . (The third digit of the axle code identifies the ratio and/or capacity of the front axle, if applicable. The close-ratio and C4 289HP trans were mated to the 3.50, and occasionally to the 3.89 and 4.11. The Final Drive Ratio shows you how many times the engine turns for one complete turn of the tires. carriers, while sometime in the early 70's the switch was made to mostly
It's . Content. the axle from around the 1957 model year right up until the early 1980s
Note the two lower bolts at 6 and 7 oclock have straight access with a socket. 3.00, 3.25, and 3.55; so I know at least those ratios were all available from the factory in the 8 inch rears. Info To Share? Calculating the torque multiplication that your axle gears provide is quite easy. The Ford Axle code will also help you identify your particular models engine capacity and the year/vehicle make. 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. The Daytona- style cartridge allows for a larger pinion head bearing when compared to the standard pinion cartridge. Remember this is the RPM based on no slippage at the torque converter so your actual RPM will be different during acceleration or times when the torque converter is slipping.3.55 gear: https://amzn.to/2HMrffx3.73 gear: https://amzn.to/2r0MakF4.10 gear: https://amzn.to/2JouvuH#wjhandydad #crownvic #reargear #gearratio #DIYhttp://www.WJHandyDad.comDisclaimer:Due to factors beyond the control of WJ Handy Dad, I cannot guarantee against improper use or unauthorized modifications of this information. 8.75, 9.25, Ford 9 inch, and GM's 8.25 inch . It
GM F-Body Complete 9" Rear End Packages. The letters I and O are skipped to avoid confusion with the numbers one and zero. 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. This was offered on the 1960 F-100 truck. housings appeared in either 1966 or 1967 with the familiar "Hump"
and trucks throughout the 1970s. "N
Most 1972 and earlier 31-tooth spline shafts can be shortened and 1973 and later versions typically cannot be resplined. found in the trucks up to around 1982. Note the ring diameter cast into the housing above the pinion. The answer lies in several of the Ford 9-inchs design aspects, starting with the Ford 9 inch gears. So dont be surprised that most of these axles leak from the welds. The ranger truck works good with a 9-inch from a
Only the N-series cases are made out of the stronger, more desirable, nodular iron. determine which axle housing many cars and trucks received. Axle Size/Strength Chart; Explained Videos; Tech Articles; 9-Inch Ford. The Ford Mustang and Thunderbird used this style for a few model years. the early housings are ok for the average street performance cars. 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. them. 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. Many companies, such as Currie Enterprises, Mark Williams Enterprises, Moser Engineering,and Strange Engineering, reproduce this design today. carriers both, as well as with the spline count on the axle shafts. There are also unique domestic special-option tags, which dont follow the format. Remember to locate the Safety Standard Certification label on the left side door post as you open the door. When you look on the inside, you see WAB- 4025A. H. 2.75 locking differential. Repairing a twisted brake or throttle cable with a simple homemade tool in just minutes Easy and functional. Power is transmitted from the transmission to rear end 1:1 in high gear. The
The N cases had two vertical ribs, three horizontal ribs, and a machined-in fill plug. 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. Since the "Limited slip" or Locking rear end
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 axle from around the 1957 model year right up until the early 1980s
The Ford 9 inch housing is a semi-floating, drop-out axle. 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
If you know your axle tag number, simply go to the second table. for the swap to be performed. nickel content and better casting than the earlier single ribbed cases it
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. People tend to be drawn to it like a magnet. diameter bolt circle, 1967-1973 Torinos, Rancheros, Fairlanes 59.25 inches or
station wagons-cars with 351 and up engines received 9-inch units - as did
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. Axle
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. only need to carry one spare should you choose to. 56"
The original carrier is normally equipped with a CV joint flange, which can be replaced with a U . Most of
1/2 in Ring Gear Bolts: WCN-B: Ford Pass '63-64: 3.50: 9 in: NL4-1/2 in Ring Gear Bolts . - as in the Mustang line, most however never received a factory 9-inch). 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 engines flexplate is a critical part to transferring power to your drivetrain. GM G-body 78-87 Complete 9" Rear End Package. housings also evolved over the years:
We stand behind our products with some of the smartest technicians in the industry. Generally most cars received the small axle bearings and 28-spline axle
With so many better performing aftermarket options today, there is no reason to use these marginal brakes. 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. Ford codes may have one or two characters, but any code starts with a letter. GM Chevy S10 82-04 Complete 9" Rear End Package. All of the 8-inch case nuts can be accessed with a socket. Proceed to match the code with its corresponding Axle Ratio column on the table to find the ratio. The Fora platform includes forum software by XenForo. The straddle-mounted pinion has a roller bearing in the gear case, which provides additional support for the pinion under heavy loads. This pinion shows excessive wear on the trunnion surface and should not be re-used. 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. The Ford chart below contains a general decoder system for Ford pickup from the 1980s till the 1990s. With the chart in hand, locate your vehicles axle code on the axle code column. Spring perches must be cut and re-welded in order
First, you need to understand some fundamentals of the Ford axles to help guide your quest. to the housing, the small bearing housings use 9/16" socket size nuts
Here are the internal sides of the same three units. The smaller 8-inch third member is on the right. It is common to find a 9-inch in a old Falcon or
We offer a guide to follow when selecting a new set of brake pads for your race or street car. When measuring from the top left bolt to the bottom left bolt, the 8.8" rear end will measure 11" from bolt to bolt. narrowed rear ends due to the added strength in the middle. and trucks throughout the 1970s. The ring gear speed sensor is shown in the upper right-hand portion of the photograph. small bearing housing can be differentiated from a large bearing housing
Use this information at your own risk. Our editors pick the products & services we write about. 77-81 Lincoln Versailles. 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. The Ford 9-inch can be found under 1974-1986 F-150s and 1978-1986 Broncos. When it comes down to actual shafts as well, since the truck lug
You are looking for a nodular iron case, with its telltale N cast into the front or inside wall. Some even consider these axles to be bulletproof. Here is a picture of the milling machine cutting new spline teeth after the axle has been cut to length. 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. We will look at what axle codes are and how to identify the axle ratio from the code. The 1966 Mustang had 14 possible rear gear ratio/differential combinations. Find the word AXLE under the bar code. 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!. Both standard and W-series cases are made out of gray cast iron. shafts. Gear Ratios Drag Strip Performance - 1/8 Mile Horsepower Requirements from MPH - 1/8 Mile Horsepower Requirements from ET - 1/8 Mile ET from MPH - MPH - Km/H in 1/4 Mile using Horsepower The Independent Rear Suspension (IRS) used in '99-'04 Cobras and the current Mustang use almost the same differential as the standard 8.8. Ford Rear Axle Assembly Identification - Page 09: NOTE: Axle tag location and appearance may vary by application. 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. This roadster sounds amazing, goes hard and turns heads wherever it goes. Mustangs
Learn how to hook up a 1-wire alternator on your vehicle. 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 still used in NASCAR racing as well. Differentials, Axles/Drivelines, Book, Using GoJak Wheel Dollies to Easily Move Your Vehicle, Brake Pad Identification and Friction Surface Options Explained, Adapting Tremec's Popular T5 5-speed Manual to Ford's Flathead V8 Engine, Ford And Chevy Spindle Options For Solid Axle Hot Rods, Small Block and Big Block Chevy Engine Flexplate Guide. Would very much apreciate it if someone would post it again. 1957 . The 7.5 should be plenty adequate for the application you describe, but an 8.8 is best. 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. The WFE-V2 helps us fi nd the decade of the 1970s. - as in the Mustang line, most however never received a factory 9-inch). weakest and had abrupt ending but welded carrier centers to tubes and a
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 . This is a sampling of some of them. The tubes do not have any welds, and you just see the witness marks of the parting line for the dies on the tubes. Watch the video for all the details and you'll wonder why your shop hasn't had a set sooner! These tags are typically quite beat up, twisted, and rusted over the years. 1960-1967 two dimples, flat center band, oil level hole in the back cover. 31-spline carriers and axle shafts. The 28-tooth axle shafts are typically tapered and cannot be shortened. I put together a whole collection of housings and third members. All the Galaxies I have seen from throughout the 1960s
. 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 . But the 9" is better in a couple respects: It's much lighter than a Dana 60. You
The most
The third member supports all of the gears and bearings, which allows for easier gear ratio swaps if you have multiple third members. 66-75 large bearing, 3. 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. These axles did have metal axle tags similar to the 9-inch axles but they were slowly phased out as vehicle programs were updated. The
The Ford 9-inch is an automobile axle manufactured by Ford Motor Company.It is known as one of the most popular axles in automotive history. SHARE THIS ARTICLE: Please feel free to share this post on Facebook / Twitter / Google+ or any automotive Forums or blogs you read. 70's. The N cases typically came with the larger Daytona-style pinion support bearing, and 31-spline axle shafts. widths I keep in mind for Mustangs are the following:
CLICK HERE to see a complete listing of front axle codes). This is an example of the only Ford 9-inch version that utilized one-piece tubes. (It was later used for pick-ups and Broncos.) 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. it was very complete. are you wanting the listing for the ratio tags? About 8 months ago, I came across someone who had a very complete model, ratio chart for 9 in rears, After a computer crash, I have lost it. This video is a good example of what goes into the process . 1964-1971 Falcon, Comet, some 1965-1969 Mustangs or 1964-1967 Ranchero V8 cars. Axles Tubes Are 4-Inches. medianet_width = "300";
Restoration matching issues will be avoided since the right optioned components will be used to make the restoration. The 8-inch was introduced in 1962 and is found in many lower performance Fairlanes, Mustangs, Falcons, Comets, Cougars, and Pintos, just to name a few of the applications. mind as mentioned, the Fairlane spring perch distances were not the same
Hypoid offset is the distance between the centerline of the pinion and the centerline of the ring gear. For example: But it will also use more fuel in all situations because the engine's rpm will be higher. The
This is a typical axle tag that has been removed from the third member. Mustangs and Fairlanes. can tell this is a 9-inch from the removable carrier on the front. Read more: CV Axle Boot: Overview, Signs, And Replacement. as the Mustang. These labels have a specific code that is similar to the axle code on the 9-inch axles. This format is also applicableto casting date codes. features the legendary Ford 9-inch ring and pinion strength, 5-on-5.5 lug
The middle number is the ring gear diameter in inches, typically an 8 or 9. See all 20 photos. 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.. Any sufficiently advanced technology is indistinguishable from magic . Check it out. The leaking weld area is then ground down and a MIG or TIG welder is used for the repair. 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
for 1967-1970 (same as 1966-1969 Fairlane, Torino, Comet & Cyclone non
There are three bearings on the pinion shaft: the two traditional tapered roller bearings for the head and tail bearings with a third cylindrical roller bearing on the opposite end of the pinion head. 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). Chevy differentials: how to rebuild the 10- and 12 . By positraction, we talk about the type of differential the car uses, whether a limited-slip differential or a conventional non-Positraction differential. dimples. Your email address will not be published. This was an 8.75- inch ring gear in a 9-inch housing. 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). Notice that the date code is C9UA with the ring gear size of 8.7. The Ford 10.25-Inch Rear Axle Replaced The Dana 70 After 1985. It is underneath one of the nuts that holds the third member in place. widths I keep in mind for Mustangs are the following: 52"
If the socket fits (as shown in our photo below) it is a Ford 8-inch housing. 54"
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. 1973-1979 Ford Truck Rear Axle Codes. Nine Inch Rear Axle. to the housing, the small bearing housings use 9/16" socket size nuts
The 10,41 gear ratio is also great for off-road activities . narrowed rear ends due to the added strength in the middle. used the 9-inch rear, regardless of engine size. You can install a true 9-inch gear in these housings as well. The last set of numbers is the vehicle plant code. Since the "Limited slip" or Locking rear end
also received the larger axle bearings housings. 31-spline carriers and axle shafts. Exceptions to this were the ultra Hi performance Boss 302s,
If the axle tag is missing, as most are, you need to remove the third member in order to know what ratio you have and if it has a limited-slip or not. Gear Ratios - RPM from Speed, Rear & Trans. Axle Ratio = (RPM X Tire Size)/ (Speed (MPH) X 336) Example 4.88 = (2881 X 37)/ (65 X 336)