General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. How do I find the Axle Ratio and Limited Slip? - Ford Motor Company and this style of center carrier housing is best suited for drag cars or
Rhodes Race Cars Unwelded Fabricated Rear End Housing Ford 9 in. Mustangs and Fairlanes. Both axles share a common design and are often referred to as banjo style or third-member style. 1973 and later cars have a 55 bolt pattern, and the axles cannot be shortened. These axles even have a unique bolt pattern of five on 5 inches. pattern in most cases differed from the car, and due to the bearing size
Content. The axle was developed to replace the Ford 9-inch axle.This axle is still in production today for a variety of Ford vehicles. The case
only need to carry one spare should you choose to. Differential Gear Ratio to Tire Size Guide - | No road, no problem. There are four versions of the nodular iron third members that were produced from the factory. The axle housings themselves had many different variations over time as well. N-case. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. Handy Ford 9 Inch Ratio Chart | 460 Ford Forum Read this first! replaced, and that is why it remained in use for so long. The best gear ratio for a GM 10 bolt is 10,41 because it is the only ratio that allows your engine to turn 10,41 times per minute. Chevy Rear End Gear Ratio Chart - Autos Hub Learn how to hook up a 1-wire alternator on your vehicle. Both standard and W-series cases are made out of gray cast iron. Ford 9.5 PRO GEAR* *PRO GEAR RATIO PART NO. This was an 8.75- inch ring gear in a 9-inch housing. Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. (It was later used for pick-ups and Broncos.) Variations
It was not the only axle used, but was by far one of
1973-1979 Ford Truck Rear Axle Codes - FORDification.net 4. 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. Buyers Guide. Later
It is still used in NASCAR racing as well. them. If the case has two verticle RIBS ,from top to
1. Ford 9 inch Gears. Produced from 1957 to 1987 by the Ford Motor Company, it was used in full size . pattern in most cases differed from the car, and due to the bearing size
widths I keep in mind for Mustangs are the following: 52"
Using the correct part is imperative to engine longevity and proper drivetrain assembly. more plentiful starting in the early 1970's, many of the units found today
Call 800.979.0122, 7am-10pm, everyday. 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. 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. There is a machined roller bearing race on the pinion head portion that points at the differential opposite thetapered bearing races. Like most Ford axles, the 9-inch has a single hypoid ring gear mounting distance, so, unlike the Dana and GM axles that require unique differential carriers based on ratio, a single differential carrier works with all of the Ford ratios. 100 x 4.12. Gear Ratios, Limited Slip and Your Mustang's Rear End The Maverick 8" or Ranger 7.5 and 8.8 are good options. N-case. Many people are not aware that Ford made a smaller banjo axle and confuse the 8-inch for a 9-inch. Ford trucks and cars from 1968 onwards are equipped with the Ford Axle codes, which are clearly indicated on the certification plate. around 64-65 I believe.They are most often found behind the later 428CJ
GM Tri 5 55-57 Chevy Complete 9" Rear End Package. As you proceed to the Ford Axle Code chart, you will notice that the table indicates it has a Ford 8.8 Limited Slip Differential with an Axle Ratio of 3.55. 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. Theres an easy way to tell an 8-inch apart from a 9-inch. * Pro Gears are specifically designed for drag race only. Why is the Ford 9in rear end the go to rear axle for street and strip builds for over 70 years? narrowed rear ends due to the added strength in the middle. We're
Unless you are building a Pinto or straight six-cylinder vehicle, you want to avoid it. When measuring from the top left bolt to the bottom left bolt, the 8.8" rear end will measure 11" from bolt to bolt. Exceptions to this were the ultra Hi performance Boss 302s,
for the 1971-1973 Mustangs - cars with 351 engines and up receiving the 9-inch
The axle tag typically has two lines of numbers and letters stamped on it. Ford Axle History and Identification: Ford Differentials The straddle-mounted pinion has a roller bearing in the gear case, which provides additional support for the pinion under heavy loads. The 9-inch housing's center section will not allow the socket to clear, and . carriers both, as well as with the spline count on the axle shafts. 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. Tip: To search theTowing Guide, press CTRL + Fto open a search box in your browser. The other identification information, 9, as observed from the chart, indicates a 3.55 gear ratio of the Ford F-150. This allows quick gear ratio changes to accommodate different tracks or updates to your vehicles horsepower and torque ratings. 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. Get any 3 for $25 plus shipping. The aftermarket has responded to this by offering a plethora of ratios ranging from 2.91 to 6.50:1. The WAR, WAA, and WAB cases have the same ribbing as the N case, but are missing the ever important N feature. Ford Rear Axle Assembly Identification - Page 01 . The
Find your transmission and rear gear multiplier below. A 2-inch version is not shown. 2.75 open differential. Axle code is a combination of letters and numbers stamped on a small plate/tag attached to your vehicles rear axle. From the arrow, you can see the axle code is H9. of course most desirable is the N case, first used on the 427 Galaxies
large-bearing semi-floating axles, and many can be found with hefty 31-spline
It has been said that it has a higher
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. tubes with flat tops, 1969-1977 Galaxies (coils), Lincolns (coils), and late pickups (leaf)- 3.25
axleshafts. The same applies to vehicles with codes containing numbers alone. Most of the later trucks
Ford non-overdrive transmissions include: C-4, three-speed, automatic. Because
Any Ford 9" carrier will fit, as long as it has a fill plug on the side. . This is a great upgrade component to use for high-power applications or if you are replacing your cartridge. the best. This case looked like a nodular unit from the front regarding rib structure but did not have the N on it. 67-71 Comet, Cougar, Mustang, Fairlane = 59.25 inches. 1957 no dimples, flat center band up the center of the rear cover, bottom drain plug. weakest and had abrupt ending but welded carrier centers to tubes and a
Generally, aftermarket shafts have to be purchased
There are also unique domestic special-option tags, which dont follow the format. Well show you what to look for in this buyers guide. GM F-Body Complete 9" Rear End Packages. Our experts will help you find the correct ring and pinion set for your particular application. Ford Axle code identification, Read more: Front Axle Of A Car: Types, Functions, And Replacement. dimples. 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. 66-75 small bearing, 2. 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. if one wants to use a 31-spline truck carrier in a car. This pinion shows excessive wear on the trunnion surface and should not be re-used. These used what is referred to as a
the early housings are ok for the average street performance cars. You
Typically with just this information, you can cross reference what you need to know about the axle. The first table is the code and gear ratio. An assortment of Ford 9-inch axle stampings is welded together to create the housing. with 3/8" fine thread, while the larger bearing use 11/16"
Ford 8.8-Inch Rear Axle History & Specs - The Ranger Station Also notice the part number and metal axle tag. 1/2 ton 4X4 pickups! by Ford exist in the size of the outer axle bearings in the housings and
The aftermarket Daytona-style pinion cartridge accommodates the larger and stronger pinion head bearing. Because of the long production history of this axle, many variants are available. Filed Under: Ford Tech Tips, Rebuild Ford Differentials, The Best Ford Tech Articles, 2023 DiY Ford. The later
narrowed rear ends due to the added strength in the middle. This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. The case
Using the Ford Axle code chart, you will get to negate all these issues with ease. 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. There are even different drum brake registers. If there is an "L" in between, you should have a locking or limited slip differential. Ford 9 Inch Parts | Speedway Motors by Ford exist in the size of the outer axle bearings in the housings and
Mustang Rear End Gear Ratios & Axle Guide - LMR.com The 1958s and 1959s have two dimples on either side of the housing and some have drain plugs. 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. Standard Ford 9 inch gear sets are primarily used in street applications. 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 unit on the top left seems to be nodular iron but requires a little more investigation to verify. inch diameter all the way to the backing plate, coil housings have upper
It has more ground clearance than a Dana 60. in cars and trucks. 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 original applications are as follows: 1. A copy of the Ford Axle Code Chart is linked below in this article. always looking for good content to share with
65-66 Mustang = 57.25 inches. The 1966 Mustang had 14 possible rear gear ratio/differential combinations. This was offered on the 1960 F-100 truck. . . can get your submission posted and acknowledged
One exception to this was
Ring Gear/Pinion Gear Teeth to Gear Ratio. Fords small block and big block engine families have their share of flexplate differences. and trucks throughout the 1970s. Install Kits and Gears Sets Listed By Rear End. allow larger ring gear to fit. The larger offset is better for strength and noise but worse for sliding and efficiency. Ford intermediates with big blocks. The bearing cups are in the pinion cartridge and the third bearing trunnion roller bearing is located in the gear case. (often referred to as a "POSI") came to be a popular option and
Your email address will not be published. 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. HOW TO CHOOSE YOUR GEAR RATIO FOR A 9-INCH REAREND - YouTube 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. 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 The N cases typically came with the larger Daytona-style pinion support bearing, and 31-spline axle shafts. most abundant. 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. Most of
Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear. One exception to this was
That is your vehicles axle code. For reference, this section from the Ford MPC is posted . Ford 9-Inch Axles - The Ranger Station 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. * Coupon does not apply to Oval Size Matters T-Shirt. Ford 9 Gear Sets - Ford 9 inch Gear Sets - Strange Engineering The small are 2.835" or just under 3" and the large are 3.150" or just over 3". 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. The answer lies in several of the Ford 9-inchs design aspects, starting with the Ford 9 inch gears. and Fairlane axle housings are often grouped together because they are the
What gear ratio do I have in my GM or Chevrolet - Drivetrain 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. 9-inch complete rear axle is approximately 35 pounds heavier than an 8.8 rear axle with approximately the same components. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not realistic. 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. Of course, if your budget allows, you can purchase an aftermarket iron case that is stronger than any factory case. When it comes down to actual shafts as well, since the truck lug
the few cars and early Broncos (and some early trucks) which received
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. The 8.8 is a traditional semi-fl oat Salisbury axle with C-washers for axle retention. larger wheel bearing housings. These variations include different-size drum brakes, disc brakes, and wheel hub arrangements. 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. The 8-inch also was only available with 28-tooth axle shafts. Real World Hagerty Collector Car Insurance Claim Experience, How To Be Prepared For A Dyno Session And Not Waste Your Money, Holey Goat Father/Son Texas Road Trip 5 Days, and 2000+ Miles, Are You Killing The Hot Rod Community? i.e. 1-wire alternators are perfect for engine swaps or just keeping things simple for your project. The most
at car swap meets and shows are the units pulled from trucks with the
Because
This particular pinion cartridge is well reinforced and much stronger than the stock production cartridge. station wagons-cars with 351 and up engines received 9-inch units - as did
The Ford Explorer uses an independentstyle Carrier made out of cast aluminum. Then take that answer and divide it by 100% and then multiply it by itself to find out what gears/axles you need to run to achieve the desired tire size. (narrowest 9-inch housing), 1966-1977 Bronco 58 inches but has 5-on-5 1/2 inch
Find the word AXLE under the bar code. But it will also use more fuel in all situations because the engine's rpm will be higher. The Ford 9 inch housing is a semi-floating, drop-out axle. Richmond Performance Automotive Driveline bearings, 28 and 31 splines, 57-68 passenger car and 1/2 ton truck - medium duty, stronger than Mustang
Are reviews modified or monitored before being published? 3. 31-spline car shafts. 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. 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. Discount is automatically applied. 1950 Ford car rear end info.. - The H.A.M.B. The close-ratio and C4 289HP trans were mated to the 3.50, and occasionally to the 3.89 and 4.11. 31-spline carriers and "Traction Loc" style posi unit. 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. The repair process requires the axle to be disassembled and thoroughly cleaned. You can then enter any term, such as Axle Ratio,to search the guide. People tend to be drawn to it like a magnet. The other identification information, 9, as observed from the chart, indicates a 3.55 gear ratio of the Ford F-150. 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. Start by opening the left drivers front door. 67-73 medium and big block Mustangs and Cougars. 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 . This is 2.25 inches for the Ford 9-inch and 1.5 inches for the 8.8-inch axle. 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. Here is an example of a weld repair on a factory original housing. I have included the narrow 8-inch axles for reference. Again, the overall first-gear ratio with the TH400 and 4.10:1 rear gear would be 10.168:1. Finding the location of this certification plate is easy. Ford 8-in. differential carriers | Hemmings In 1963, Ford includedmore information. Ford Differential Axle Codes. These tags provided information for the service technicians but wasnt that important for the vehicle assembly plants. Ford cars and trucks from 1968 on have an axle code on the Certification Plate, information on this plate can be used to determine if you vehicle is factory equipped with a limited slip positraction rear end - differential. These first became available on the 1964 Galaxies with the 427-ci engine and were found on many higher horsepower cars and trucks. and trucks throughout the 1970s. The "rough"
Original ratios are 2.47, 2.50, 2.75 or 3.0 with the 2.50 being the most common. See all 20 photos. This roadster sounds amazing, goes hard and turns heads wherever it goes. Ford 9 Inch Rear End & Axle Information | JEGS Exclusive 9" Gear Ratios - Quick Performance When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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 7.5 should be plenty adequate for the application you describe, but an 8.8 is best. 31-spline carriers and axle shafts. 1957 . Note the ring diameter cast into the housing above the pinion. There is a huge aftermarket support for this axle design. Give us a call at 800-216-1632 to get started. nickel content and better casting than the earlier single ribbed cases it
many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4
Besides the styling of the Ford Edsel, even the axle shafts were very unusual. for 1967-1970 (same as 1966-1969 Fairlane, Torino, Comet & Cyclone non
31-spline carriers and "Traction Loc" style posi unit. 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. Cost and complexity are two. It is common to find a 9-inch in a old Falcon or
for 1965-1966 (the same width as 1964-1965 Falcons and 1962-1965 Fairlanes
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. 9-Inch Gears - Currie Enterprises 1940 Ford Banjo Rearend - Rod & Custom Magazine - MotorTrend Selecting the Best Gear Ratio - Mark Williams Enterprises, Inc 31-spline axles and carriers for most trucks. the Broncos from 1966 to 1977, they stayed with the 28-spline units. The exception is the 2002-2003 Ford Explorer Sport which still used the solid rear 8.8-Inch axle. A metal axle tag is typically located on the driver-side front of the third member. Any sufficiently advanced technology is indistinguishable from magic . Hoonigan Founder and Pro Rally Driver Ken Block Dead at 55, Worlds MOST Unusual Cars Ever Made, Found In One Warehouse, Lower the Bar ~ Perfectionism is Ruining the Automotive Hobby, 1971 GMC COE Fire Truck to Ramp Truck Car Hauler Build, Roadkills Best (and Worst) Drag Strip Tests, How To Choose the Correct Drag Racing Tire, 25 Tools and Gift Ideas Under $15 From Harbor Freight You Need, The Myths And Realities Of Carburetor Sizing, The Inaugural No Name Nationals Drag Race & Burnout Contest Coverage, Lawn Mower Racing ~ The Worlds CHEAPEST Motorsport, Quick and Easy DIY Headliner for Less Than $20, 1928 Ford Model A Coupe Goes From Yard Art To Driver, How To Turn Railroad Track into a DIY Homemade Anvil, New Docu-Series from Rat Rod Magazine ~ American Rust, Finishing a Late Friends Handmade 1956 Baby Buick Special Mini Car, Best 3-Ton Floor Jack?
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