The Ford 8.8-inch axle has the same ring gear mounting distance (see Chapter 7) for all ratios, just like the 9-inch. You bring the gumption. in cars and trucks. 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. Typically with just this information, you can cross reference what you need to know about the axle. I reference these axles based on the ring gear nominal outside diameter in inches. in the backside middle and stronger tubes. No. Restoration matching issues will be avoided since the right optioned components will be used to make the restoration. Paint gmc dupont charts reference chart 1956 1959. at car swap meets and shows are the units pulled from trucks with the
Give us a call at 800-216-1632 to get started. Performance Front & Rearends GM Vehicles and Fairlane axle housings are often grouped together because they are the
Careful aftermarket shops and their stringent attention to repairing these housings are able to correct many of these issues. actual car posi units, which were primarily 28-spline carriers, can be
Here is an example to help you through. The axle model codes are interchangeable, typically the suffixes are different for a revision change but the axle is still interchangeable with one having the previous suffix. Both axles share a common design and are often referred to as banjo style or third-member style. The same applies to the rear differential. and trucks throughout the 1970s. 5.4L (including Lightning) and some 44 super cabs and higher GVWR models which were equipped with the heavier-duty 9.75-Inch rear axle. The entire S550 Mustang generation has had 4, due in part to the limited-slip differential option. It has been said that it has a higher
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How to Narrow a 9 Inch Ford Rear End. Thanks. 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. the early housings are ok for the average street performance cars. 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! station wagons-cars with 351 and up engines received 9-inch units - as did
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 complete guide to master any grease gun, Battery vs. Starter vs. Alternator: How to jumpstart even the most stubborn of car. Buyers Guide. 4. T & C FORD TOP LOADER 4 SPEED WIDE RATIO 2ND GEAR 31 TOOTH showing . Ironically, 8.0-inch independent carriers were made in cast iron. Unless you are building a Pinto or straight six-cylinder vehicle, you want to avoid it. These first became available on the 1964 Galaxies with the 427-ci engine and were found on many higher horsepower cars and trucks. 66-75 large bearing, 3. middle of case it is a good IRON type IF in the very center of this case
Of the four versions of the N case, three have an actual N cast into it right above the pinion cartridge. 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. also received the larger axle bearings housings. The Ford 9-inch has a reputation as a durable axle that can transmit enormous torque, and this is rightfully deserved. The later
Traditional BOM's are 6 digits followed by 1 or 2 digits and start with the numbers 60 or 61. medianet_crid = "364974658";
A simple formula to calculate Gear Ratio or Axle Ratios. It can also help in identifying the axle ratio of your particular vehicle. Axle Ratio = (RPM X Tire Size)/ (Speed (MPH) X 336) Example 4.88 = (2881 X 37)/ (65 X 336) 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. You can do this by multiplying by the gear ratio. 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. You can find the axle code on the Safety Standard Certification label information. for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes
Hypoid offset is the distance between the centerline of the pinion and the centerline of the ring gear. H. 2.75 locking differential. The Mustang Shelby GT housing is an easy one to spot, albeit rare, because it has extreme tapering of the axle tubes at the ends. The case
Variations
$(document).ready( function () {$('#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. It has been said that it has a higher
GM X-Body Nova Complete Rear End Packages. This is 2.25 inches for the Ford 9-inch and 1.5 inches for the 8.8-inch axle. The smaller 8-inch third member is on the right. It is underneath one of the nuts that holds the third member in place. 31-spline carriers and axle shafts. 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. Cost and complexity are two. With the pinion gear and differential in place, rear-end marking compound in place, and with the bearings only "snug" (just tight enough to eliminate any "play"), check the pinion depth by way of the contact pattern that can be found by the rotation of the pinion against the ring gear. there is the letter "N" than this is a NODULAR CASE (GREAT) this
The 9-inch housing's center section will not allow the socket to clear, and . found in the trucks up to around 1982. Notice that the date code is C9UA with the ring gear size of 8.7. It is still used in NASCAR racing as well. 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. While the 1350 u-joints provide enough strength to handle most demanding of applications, Strange also offers a variety of yokes with1480 u-joints for the ultimate in driveline strength and dependability. large-bearing semi-floating axles, and many can be found with hefty 31-spline
for it. Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. Visit the RV & Trailer Towing Guides page on the Ford fleet website. This strengthens the whole rear end assembly. All the Galaxies I have seen from throughout the 1960s
housings. truck housings received even beefier center carrier housings and tubes,
In order to verify a nodular unit, you need to look on the inside of the casting. . Ford Rear Axle Assembly Identification - Page 01 . If you know your axle tag number, simply go to the second table. Measuring for your 9-inch axles requires a few basic measurements to be taken. 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. 1973-1979 Ford Truck Rear Axle Codes. Because of their strength, youll see these 9 inch rear ends used in just about every make of car, truck, and customs. Home / Performance Front & Rearends / Parts Department / Ring & Pinion Sets / 9-Inch Ford. Rear ends with 3.42 gears usually come in 8.2 and 8.6-inch units, Rear ends with 3.73 gears come in 8.5 8.6-inch units Best Gear Ratio For Your GM 10 Bolt. There were also 8-inch ring gear independent carriers in production. differences, 28-spline car axle shafts are much more abundant than the
Amateur restorer. Come join the discussion about popular models such as the Mustang, Galaxie, Falcon, Fairlane, Torino, Shelby and many more! The axle was developed to replace the Ford 9-inch axle.This axle is still in production today for a variety of Ford vehicles. for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch
These used what is referred to as a
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. I put together a whole collection of housings and third members. Ford Also Equipped The 1980-Current E-350 Dual Rear Wheel And Some E-450 Super Duty Vans With Dana 70 or Dana 70HD Rear Axles. smooth backside. The date code on this axle tag is 7AC, and it corresponds to the 7th year, 1st month (January), and 3rd day. Note the ring diameter cast into the housing above the pinion. Let's see, I have had 2.79. 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. Ford 9.5 PRO GEAR* *PRO GEAR RATIO PART NO. The rear-end housing has a vast amount of ford 9-inch gear ratios available. 54"
Ranger
The rear-end housing has a vast amount of ford 9-inch gear ratios available. 289 Hipo cars.The N cases went with 31 spline centers and are for rugged
9-inch (cars) have a 5-on-5 bolt circle and the axles cannot be shortened. Note: Rear axle ratios are available for 2008 and newer models. This chart serves as a general guideline for axle fl ange-to-fl ange width based on different models and production years. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory. Calculators. If you need the Rear Axle Ratio for a vehicle produced before 2008, contact ourCustomer Relationship Center via Chat or call us at 800-392-3673. Some of the heavier cars like the Galaxies also received the
type, 28 and 31 splines, Ranchero/Torino - heavy duty thick wall housing, 3.25 inch diameter axle
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. Of course, if your budget allows, you can purchase an aftermarket iron case that is stronger than any factory case. But it will also use more fuel in all situations because the engine's rpm will be higher. Ford non-overdrive transmissions include: C-4, three-speed, automatic. With 568 Ford 9 Inch Parts for sale, you're sure to find the ideal parts . 65-66 Mustang = 57.25 inches. the few cars and early Broncos (and some early trucks) which received
The third member supports all of the gears and bearings, which allows for easier gear ratio swaps if you have multiple third members. The same applies to vehicles with codes containing numbers alone. many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4
It was not the only axle used, but was by far one of
nickel content and better casting than the earlier single ribbed cases it
You are looking for a nodular iron case, with its telltale N cast into the front or inside wall. pattern in most cases differed from the car, and due to the bearing size
800-646-6718. The other identification information, 9, as observed from the chart, indicates a 3.55 gear ratio of the Ford F-150. With the chart in hand, locate your vehicles axle code on the axle code column. 1967-1973 Mustang/Cougar - light duty, thinnest housing material, small axle
The 1958s and 1959s have two dimples on either side of the housing and some have drain plugs. "N Case" was no longer needed for passenger car/truck
The Lincoln LS and Jaguar S-type were equipped with an 8-inch, castaluminum, independent- style carrier. Part Category: Disc Brake Rotor and Hub Assembly.1999 Ford Ranger Rear Axle Assembly 7.5 RING GEAR, 9 BRAKES, 4.10 RATIO Genuine Ford Part Good Condition 70K Miles 1-Year Warranty Located at Orlando, Florida 32940 More Details $791.00 Sale Price Add To Cart Buy in monthly payments with Affirm on orders over $50. Some of the 9-inch truck differentials will have an exaggerated hump on the rear cover to . Gears / Diffs / Install Kits Listed By Vehicle, Standard Gears & Pro Gears Dana / Ford / GM / Mopar, Strange T-Shirts. the Broncos from 1966 to 1977, they stayed with the 28-spline units. Tip: To search the Towing Guide, press CTRL + F to open a search box in your . C-6, three-speed, automatic. It's uncertain if this E
The Ford 9 inch housing is a semi-floating, drop-out axle. inches
A metal axle tag is typically located on the driver-side front of the third member. Many people are not aware that Ford made a smaller banjo axle and confuse the 8-inch for a 9-inch. is the strongest factory case made BY FORD!!! These variations include different-size drum brakes, disc brakes, and wheel hub arrangements. trucks varied more, early half ton trucks got the 28-spline axles and
The Ford 9-inch can be found under 1974-1986 F-150s and 1978-1986 Broncos. earlier housings used in cars from 1957 to mid 1960s tended to be the
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. 9-inch complete rear axle is approximately 35 pounds heavier than an 8.8 rear axle with approximately the same components. 1960-1967 two dimples, flat center band, oil level hole in the back cover. 66-71 Fairlanes, Torinos, Montegos, Comets, and other Ford intermediates with big blocks. Ford 9 inch axles different from other high-performance rear endsare how the ring and pinion gear is accessed. It is a banjo-style axle as is the 8-inch. The Ford 10.25-Inch Rear Axle Replaced The Dana 70 After 1985. There are a few exceptions that you will see in the Ford Axle code chart. Mustangs
the few cars and early Broncos (and some early trucks) which received
This is a sampling of some of them. Ford trucks and cars from 1968 onwards are equipped with the Ford Axle codes, which are clearly indicated on the certification plate. . The bearing cups are in the pinion cartridge and the third bearing trunnion roller bearing is located in the gear case. This complex fixturing and welding process, coupled with fuel economy concerns, is what eventually led to their production demise. 3. The Ford version uses larger axle shafts and different lube flow strategy. popular early swap being the 1957-1959 Ford for the 1965/1966 Mustang. more plentiful starting in the early 1970's, many of the units found today
"N Case" was no longer needed for passenger car/truck
popular early swap being the 1957-1959 Ford for the 1965/1966 Mustang. as the Mustang. Torsion Axle Vs. 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. Ford intermediates with big blocks. (The third digit of the axle code identifies the ratio and/or capacity of the front axle, if applicable. 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. by Ford exist in the size of the outer axle bearings in the housings and
2. 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. 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 bearing is one of the reasons that the 9-inch has the reputation for being bulletproof. 70's. There are even different drum brake registers. the Broncos from 1966 to 1977, they stayed with the 28-spline units. by the size of the nuts and thread used to retain the brake backing plates
This is not a nodular unit. applications due to the demise of most performance engine options in the
This is an easy way to identify the third members, so youre sure to buy the correct axle. Some have only one access hole for the backing plate bolts, while others have three. The 7.5" rear end is also flat on top and bottom. 4. The desirable N-style, nodular-iron gear cases are available in four different versions. The 8.5- and 8.8-inch gears have even found themselves in the independent-carrier-style axles. Hot rodders and drag racers use 9 Ford rear-ends and their aftermarket descendants in just about everything not just Ford cars and trucks. Rhodes Race Cars Unwelded Fabricated Rear End Housing Ford 9 in. The small are 2.835" or just under 3" and the large are 3.150" or just over 3". It is the one most commonly
This is an example of the only Ford 9-inch version that utilized one-piece tubes. People tend to be drawn to it like a magnet. Exceptions to this were the ultra Hi performance Boss 302s,
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. socket size and 7/16" fine thread. Drag Racing 101 ~ Everything You Need to Know! for the swap to be performed. always looking for good content to share with
allow larger ring gear to fit. N-case. narrowed rear ends due to the added strength in the middle. Leaf Spring: The Similarities And Differences. GM Chevy S10 82-04 Complete 9" Rear End Package. You
The tubes do not have any welds, and you just see the witness marks of the parting line for the dies on the tubes. Any of the W-series cases do have a fill plug machined in them. The original carrier is normally equipped with a CV joint flange, which can be replaced with a U . Rearend/Axle Length Calculator. - Rod Stroke Ratio - Stroke Size Rear Gear Requirements - Rear End Gear Ratio Needed - Speed from RPM, Rear & Trans. * Pro Gears are specifically designed for drag race only. The 7.5 should be plenty adequate for the application you describe, but an 8.8 is best. 1/2 ton 4X4 pickups! Call us at (864) 843-9275. The code, 4L11, tells us that it is a 4.11:1 ratio with a limited-slip or Traction-Lok differential. The
narrowed rear ends due to the added strength in the middle. Any Ford 9" carrier will fit, as long as it has a fill plug on the side. If your vehicle has a Limited Slip Differential, it will be noted as Limited Slip. carriers both, as well as with the spline count on the axle shafts. Variations
1. used the 9-inch rear, regardless of engine size. The
All of the 8-inch case nuts can be accessed with a socket. carriers, while sometime in the early 70's the switch was made to mostly
For example, Ford says the 2018 F-350 Super Duty 4x2 regular cab pickup equipped with the 6.2-liter . The
Select the Towing Guide for your vehicle's model year. Notice the 8.0-inch ring gear diameter cast into the rear cover below the fill plug. and 429CJ cars.From what I have seen don't expect to find them in 390 or
medianet_versionId = "3111299"; The
The axle code in our example, H9, has a specific meaning. This axle tag belongs to a 1977 F-150. 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. 1964-1971 Falcon, Comet, some 1965-1969 Mustangs or 1964-1967 Ranchero V8 cars. For instance, if both the engine and transmission deliver up to 100 ft./lbs. pattern in most cases differed from the car, and due to the bearing size
On some tags, the first 2 digits don't appear on the tag, but they must be used to identify the axle. The first table is the code and gear ratio. Most 1972 and earlier 31-tooth spline shafts can be shortened and 1973 and later versions typically cannot be resplined. Strange Engineerings heavy-duty lines of S-Series transmission and pinion yokes were designed by Strange and are manufactured from USA made high tensile strength nodular iron castings. Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. Mustangs and Fairlanes. . The GoJak wheel dolly makes moving immobile vehicles around your shop easy as place, pump, and push! . There are several reasons for this. 1972 and earlier, 31 spline axles have the ability to be shortened. Ford 8 Ford 9: CLICK FOR MORE INFO. small bearing housing can be differentiated from a large bearing housing
This additional bearing and, more importantly, the necessary casting support structure is what drives the larger hypoid offset. 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. Generally most cars received the small axle bearings and 28-spline axle
Spring perches must be cut and re-welded in order
Well show you what to look for in this buyers guide. 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. 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. 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. around 64-65 I believe.They are most often found behind the later 428CJ
Where A=the first number (static reduction), Bi=Gear diameter, Bf=Ring Gear diameter, Cf= (Crown Wheel dia.) When narrowing a Ford 9 inch rear end, the first step is determining the overall length you need. Axles were similar to the Ford 9-inch 28-spline units. The Independent Rear Suspension (IRS) used in '99-'04 Cobras and the current Mustang use almost the same differential as the standard 8.8. This is a major advantage compared to other rear axle systems because disassembly is faster and more convenient. Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. Find the word AXLE under the bar code. axleshafts. Nine Inch Rear Axle. the best. None of which changes the strength of the axle shaft. 56"
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. Builder V8 Billys 1966 Ford Fairlane Twin Turbo 427 RestoMod was built for Street and Strip. This is by far the most common axle used by restorers, hot rodders, customizers, and racers. Differentials take the power from the rear axle and transfer it to the rear wheels by way of special gears. GM B-Body Complete 9" Rear End Packages. 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 . it was very complete. These were used sporadically until about 1969. Axle Size/Strength Chart; Explained Videos; Tech Articles; 9-Inch Ford. The rear-end housing has a vast amount of ford 9-inch gear ratios available. 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. N-case. Ford rear ends, or differentials, were manufactured by either the Dana Corporation or Ford. Any sufficiently advanced technology is indistinguishable from magic . station wagons-cars with 351 and up engines received 9-inch units - as did
The Ford chart below contains a general decoder system for Ford pickup from the 1980s till the 1990s. This format is also applicableto casting date codes. The same applies to vehicles with codes containing numbers alone. many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4
them. 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. 28 spline axles are tapered and cannot be shortened and re-splined. The rear end width is important on shoebox Fords if you want some selection on wheels. The Fora platform includes forum software by XenForo. While the larger offset makes the ring and pinion gears stronger, the additional sliding of the gear teeth creates more heat in the axle. There is a machined roller bearing race on the pinion head portion that points at the differential opposite thetapered bearing races. Ford Aerostar: The 8.8-Inch axle . For reference, this section from the Ford MPC is posted . It also has a 9-inch ring gear. Interestingly, the Ford axle uses the exact same size of tapered roller bearings as the GM 12-bolt. 1957 . can get your submission posted and acknowledged
6. All the Galaxies I have seen from throughout the 1960s
Original gear ratios range between 2.79:1 and 5.43:1, and aftermarket replacement gears are available for many ratios as well. The
The letters I and O are skipped to avoid confusion with the numbers one and zero. common carrier housing found is the C7AW-E. If an L is included, it was equipped with a limited-slip differential or Traction- Lok. Well help you determine the correct flexplate for your Chevy engine in this buyers guide. applications due to the demise of most performance engine options in the
We will look at what axle codes are and how to identify the axle ratio from the code. determine which axle housing many cars and trucks received. It was introduced in 1957 model year cars and ended production in 1986, having been phased out in favor of the Ford 8.8 inch axle.However, aftermarket companies still produce the 9-inch design. We offer a guide to follow when selecting a new set of brake pads for your race or street car. 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. You can use the social sharing buttons to the left, or copy and paste the website link: https://www.diyford.com/ford-axle-history-identification-ford-differentials/.
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