Both standard and W-series cases are made out of gray cast iron. in cars and trucks. bearings, 28 and 31 splines, 57-68 passenger car and 1/2 ton truck - medium duty, stronger than Mustang
In this chapter I share a summary of decades of work on these axles. The aftermarket Daytona-style pinion cartridge accommodates the larger and stronger pinion head bearing. It may seem strange to begin by comparing the 8-inch to the 9-inch axle, but there is an important distinction to make since the 8-inch axle is weaker than the 9-inch. Fords small block and big block engine families have their share of flexplate differences. duty.And believe it or not, they were also used in some FE equipped Ford
For example, Ford says the 2018 F-350 Super Duty 4x2 regular cab pickup equipped with the 6.2-liter . with 3/8" fine thread, while the larger bearing use 11/16"
medianet_height = "250";
With the chart in hand, locate your vehicles axle code on the axle code column. around 64-65 I believe.They are most often found behind the later 428CJ
Because
for the swap to be performed. Ranger
(See Chapter 8 for how to install a 9-inch in a classic 1957 Chevy Bel Air as a performance upgrade.). much more difficult to locate. This is when making a few phone calls to reputable axle builders can be helpful. 1957 . 800-646-6718. Ratio & type. While the larger offset makes the ring and pinion gears stronger, the additional sliding of the gear teeth creates more heat in the axle. 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 . in the backside middle and stronger tubes. 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. But it will also use more fuel in all situations because the engine's rpm will be higher. The later
Check it out. diameter bolt circle, 1967-1973 Torinos, Rancheros, Fairlanes 59.25 inches or
Filed Under: Ford Tech Tips, Rebuild Ford Differentials, The Best Ford Tech Articles, 2023 DiY Ford. The original applications are as follows: 1. in the backside middle and stronger tubes. Gross Vehicle Weight ( GVW ) would
Ironically, 8.0-inch independent carriers were made in cast iron. differences, 28-spline car axle shafts are much more abundant than the
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. (It was later used for pick-ups and Broncos.) 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. The Ford 9-inch is the most desirable drag racing rear end because it has a removable carrier, which allows quick rear end changes. Both axles share a common design and are often referred to as banjo style or third-member style. Many companies, such as Currie Enterprises, Mark Williams Enterprises, Moser Engineering,and Strange Engineering, reproduce this design today. also received the larger axle bearings housings. 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. Again, the overall first-gear ratio with the TH400 and 4.10:1 rear gear would be 10.168:1. 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. These were used sporadically until about 1969. Thanks. if one wants to use a 31-spline truck carrier in a car. determine which axle housing many cars and trucks received. Like the H in our case shows a car with a limited-slip differential. This case looked like a nodular unit from the front regarding rib structure but did not have the N on it. If the socket fits (as shown in our photo below) it is a Ford 8-inch housing. Give us a call at 800-216-1632 to get started. Mismatching issues are a big problem when it comes to automotive repairs. This is an example of the only Ford 9-inch version that utilized one-piece tubes. We offer a guide to follow when selecting a new set of brake pads for your race or street car. The middle number is the ring gear diameter in inches, typically an 8 or 9. There are 8.5-inch gears installed in these housings for lowerpower vehicle applications. 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! Calculators. version of the case came into use in 1967 or in subsequent years, but it
It's uncertain if this E
You can then enter any term, such as Axle Ratio,to search the guide. many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4
Select the Towing Guide for your vehicle's model year. Read more: Torsion Axle Vs. features the legendary Ford 9-inch ring and pinion strength, 5-on-5.5 lug
When you purchase through links on our site, we may earn an affiliate commission, which supports our community. mind as mentioned, the Fairlane spring perch distances were not the same
These third members are the strongest of the production cases and the most desired. The very rare optional 6 cylinder rear was the 3.50. 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. There are several reasons for this. The bearing cups are in the pinion cartridge and the third bearing trunnion roller bearing is located in the gear case. and this style of center carrier housing is best suited for drag cars or
Notice the 8.0-inch ring gear diameter cast into the rear cover below the fill plug. Now you can see the C4AW-4025-B part number on the lower left unit, which verifies it as a nodular unit. 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 replaced, and that is why it remained in use for so long. The "rough"
So rare Ford dropped it after 66, when they also dropped the 7" Equalock. 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 was an 8.75- inch ring gear in a 9-inch housing. 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. for the swap to be performed. An assortment of Ford 9-inch axle stampings is welded together to create the housing. 100 x 4.12. Of the four versions of the N case, three have an actual N cast into it right above the pinion cartridge. Drag Racing 101 ~ Everything You Need to Know! Strange engineering offers a variety of steel retainer plates to be used with drum and some disc brake applications. Housing end bolt patterns can be confirmed on the bottom of the axle order form. For instance, if both the engine and transmission deliver up to 100 ft./lbs. There is a very fundamental difference between Fords 8.8- and 9-inch axles. The 7.5" rear end is also flat on top and bottom. Gear Ratios - RPM from Speed, Rear & Trans. The WAR, WAA, and WAB cases have the same ribbing as the N case, but are missing the ever important N feature. the Broncos from 1966 to 1977, they stayed with the 28-spline units. housings also evolved over the years:
2.75 open differential. This chart references the connection between the month codes and the actual month. It is the one most commonly
This strengthens the whole rear end assembly. 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. The
The axle was developed to replace the Ford 9-inch axle.This axle is still in production today for a variety of Ford vehicles. Visit the RV & Trailer Towing Guides page on the Ford fleet website. Here is a down-and-dirty way of picking the best gearing for a particular car from three choices: 3.07:1 final drive with a wide-ratio transmission, a 3.07:1 final drive with a close-ratio transmission, and a 3.36:1 final drive with a close-ratio transmission. If measuring the drum-to-drum distance, add .200-inch to these values. Power is transmitted from the transmission to rear end 1:1 in high gear. pattern (same as older Jeep), a 65-inch width at the wheel mounting surfaces,
You
of course most desirable is the N case, first used on the 427 Galaxies
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. Later
That is your vehicles axle code. version of the case came into use in 1967 or in subsequent years, but it
trucks varied more, early half ton trucks got the 28-spline axles and
54"
if so is this what you are looking for. One exception to this was
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. Because of the long production history of this axle, many variants are available. more plentiful starting in the early 1970's, many of the units found today
Spring perches must be cut and re-welded in order
the best. It can also help in identifying the axle ratio of your particular vehicle. The
But to be correct, it is a 3/4 fl oat. weakest and had abrupt ending but welded carrier centers to tubes and a
It is a banjo-style axle as is the 8-inch. It was then replaced by the Ford 8.8 inch rear axle. 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 and this style of center carrier housing is best suited for drag cars or
Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale, 1967-1970 Mustang, Fairlane, Comet, Cougar, 1967-1971 Comet, Cougar, Mustang, Fairlane, 1967-1973 Mustang, Torino, Ranchero, Fairlane, 1967-1973 medium and big block Mustang and Cougar, 1966-1971 Fairlane, Torino, Montego, Comet, and other Fords with big-block engines, 1977-1981 Lincoln Versailles and Trucks . housings. The bottom line begins with the ratio being the first set of numbers. 76-77 large bearing. This chart serves as a general guideline for axle fl ange-to-fl ange width based on different models and production years. We'll also walk you through choosing the correct parts in order to make this installation a breeze! Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. 8. How to Narrow a 9 Inch Ford Rear End. N-case. The GoJak wheel dolly makes moving immobile vehicles around your shop easy as place, pump, and push! Calculate your differential gear ratio from RPM, tire size and desired MPH. for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes
Ford codes may have one or two characters, but any code starts with a letter. It's important to know the friction quality and pad size before selecting a new set of disc brake pads. only need to carry one spare should you choose to. It's . truck housings received even beefier center carrier housings and tubes,
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. This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. How can one verify "Posi" without taking the differential apart?