The
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! 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. The ranger truck works good with a 9-inch from a
How do I find the Axle Ratio and Limited Slip? 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 format is also applicableto casting date codes. 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. Differential Gear Ratio to Tire Size Guide - | No road, no problem. The tubes do not have any welds, and you just see the witness marks of the parting line for the dies on the tubes. The primary purpose of this plate is to show you if your vehicle is equipped with a limited-slip to rear-end differential. For a better experience, please enable JavaScript in your browser before proceeding. Why is the Ford 9in rear end the go to rear axle for street and strip builds for over 70 years? popular early swap being the 1957-1959 Ford for the 1965/1966 Mustang. None of which changes the strength of the axle shaft. 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
A strong 9" with a nodular diff and 31 spline axles is fairly comparable in strength to a stock Dana 60 rear end. This chart applies to all Ford non-overdirve transmissions, manual and automatic. 1/2 ton 4X4 pickups! Talk to the experts. The
WJ Handy Dad assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. 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 . The very rare optional 6 cylinder rear was the 3.50. same width, but the distance between spring perches is different between
VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. socket size and 7/16" fine thread. Because of the long production history of this axle, many variants are available. nickel content and better casting than the earlier single ribbed cases it
The Daytona- style cartridge allows for a larger pinion head bearing when compared to the standard pinion cartridge. * Pro Gears are specifically designed for drag race only. FORD FINAL DRIVE RATIOS. When narrowing a Ford 9 inch rear end, the first step is determining the overall length you need. shafts. 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. for the swap to be performed. Ford 9.5 PRO GEAR* *PRO GEAR RATIO PART NO. Customers are invited to participate in a survey administered by MaritzCX, an independent, third-party supplier. Since the "Limited slip" or Locking rear end
many half ton trucks continued to utilize the 9-inch (both 2 wheel & 4
9-Inch Gears - Currie Enterprises duty.And believe it or not, they were also used in some FE equipped Ford
800-646-6718. The transmission yokes are CNC machined to assure concentricity and balance for ideal driveshaft operation. It is underneath one of the nuts that holds the third member in place. The axle housings themselves had many different variations over time as well. Ring and Pinions from Motive Gear 2. It also has a 9-inch ring gear. The axle code in our example, H9, has a specific meaning. Enter the required Overall Width, Pinion Offset (location), Brake Space and Drum/Rotor thickness to find axle length and housing width. This bearing and the casting structure surrounding it need to be carefully inspected as this is a common area for cracks. pattern (same as older Jeep), a 65-inch width at the wheel mounting surfaces,
From my piles of rare parts, here is an independent cast-iron 8.8-inch carrier axle. Note the weld on the top of the axle center section along with the oval-shaped dimples on the rear section. Ford 9-inch differentials | Hemmings Anyone know? This additional bearing and, more importantly, the necessary casting support structure is what drives the larger hypoid offset. Save my name, email, and website in this browser for the next time I comment. Call us at (864) 843-9275. 77-81 Lincoln Versailles. as the Mustang. housings also evolved over the years:
This chart serves as a general guideline for axle fl ange-to-fl ange width based on different models and production years. This is 2.25 inches for the Ford 9-inch and 1.5 inches for the 8.8-inch axle. Boss 429s, 427s, 428 CJ/SCJ and the 429 cars which received the
diameter bolt circle, 1967-1973 Torinos, Rancheros, Fairlanes 59.25 inches or
Select the Towing Guide for your vehicle's model year. 52"
earlier housings used in cars from 1957 to mid 1960s tended to be the
The WAR, WAA, and WAB cases have the same ribbing as the N case, but are missing the ever important N feature. differences, 28-spline car axle shafts are much more abundant than the
The 7.5 should be plenty adequate for the application you describe, but an 8.8 is best. them. These were used sporadically until about 1969. The 8-inch also was only available with 28-tooth axle shafts. The rear end width is important on shoebox Fords if you want some selection on wheels. There are 8.5-inch gears installed in these housings for lowerpower vehicle applications. The complete guide to master any grease gun, Battery vs. Starter vs. Alternator: How to jumpstart even the most stubborn of car. The last set of digits on the top row on the right side is the date code. of course most desirable is the N case, first used on the 427 Galaxies
Dont Be That Guy, Reversing Gears ~ Rescuing Ones Own Derelict 1967 Pontiac GTO, How To Paint a Lace Roof on the Cheap Using Grandmas Curtains, Exploring an Antique Junkyard in the Hills of West Virginia, Engine, Transmission, Chassis Swap Donor Vehicle Look-Up, How To Box-In a Differential / Solid Axle Rear-End Housing, How To Select Proper Rear-End / Differential Gear Ratio, Install Bolt-On Disc Brake Conversion Kit on 8 and 9 Ford Rear-Ends, 1966 Ford Fairlane 427 Twin Turbo Street/Strip RestoMod Build, How To Repair a Twisted Cable End with a Simple Homemade Tool, 1928 Ford Model A Roadster Build by OL School Garage, Engine / Transmission / Chassis Donor Search, Project Cars and Part Donor Cars For Sale. For Example: 235/45ZR-17 (235 x 0.45 x 2 25.4) + 17 = 25.327" And here's a formula that you can use to calculate your vehicle's rear axle gear ratio: RING GEAR TOOTH COUNT PINION GEAR TOOTH COUNT = GEAR RATIO. small bearing housing can be differentiated from a large bearing housing
If the case has two verticle RIBS ,from top to
The format has changed over the years but mostly follow this sequence:. The ring gear speed sensor is shown in the upper right-hand portion of the photograph. Mustangs
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 Ford 9-inch axle - Wikipedia around 64-65 I believe.They are most often found behind the later 428CJ
1-wire alternators are perfect for engine swaps or just keeping things simple for your project. Exclusive 9" Gear Ratios - Quick Performance A copy of the Ford Axle Code Chart is linked below in this article. 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. 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. 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. These tags provided information for the service technicians but wasnt that important for the vehicle assembly plants. I guess this helps add to the splendor of the vehicle. Winners Run RICHMOND! Ford 9 - Smiley's Racing 1972 and earlier, 31 spline axles have the ability to be shortened. All the Galaxies I have seen from throughout the 1960s
This not easily accomplished with integral carrier axles, like the GM 10- and 12-bolt. Our expert customer support technicians are available Monday through Friday from 7:00 a.m. until 7:00 p.m., CST. The smaller 8-inch just cannot handle the abuse as its bigger brother can. 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. Tech Tip: Ford 9" Rear Axle Information - Pit Stop USA 66-75 small bearing, 2. Now that you have identified the axle code, let us know the axle ratio. How to Set up Your Rear Gear Correctly - RacingJunk News You can install a true 9-inch gear in these housings as well. The 9-inch housing's center section will not allow the socket to clear, and . The smaller 8-inch third member is on the right. weakest and had abrupt ending but welded carrier centers to tubes and a
56"
GM F-Body Complete 9" Rear End Packages. The
All the Galaxies I have seen from throughout the 1960s
The same applies to vehicles with codes containing numbers alone. 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 typical 3 inch-diameter tubes can be a bit flimsy in higher-power applications. actual car posi units, which were primarily 28-spline carriers, can be
While the larger offset makes the ring and pinion gears stronger, the additional sliding of the gear teeth creates more heat in the axle. The Ford 8.8-inch axle has a cast center section and the internal components are installed from the rear. Axle Size/Strength Chart; Explained Videos; Tech Articles; 9-Inch Ford. All of the 8-inch case nuts can be accessed with a socket. When it comes down to actual shafts as well, since the truck lug
*** SELECT GEAR RATIO FOR PRICE *** Categories. 3. is the strongest factory case made BY FORD!!! From the arrow, you can see the axle code is H9. and trucks throughout the 1970s. This is because the supply is limited to
Front Axle Codes While the parts catalog says "The third digit of the axle code identifies the ratio and/or capacity of the front axle", that is not true.As seen below, there are only 4 codes (2 - 5) and they do not define the axle ratio nor capacity.In fact, to find the front axle ratio you need the codes off the axle itself, as shown here: Start by opening the left drivers front door. 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). 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. replaced, and that is why it remained in use for so long. 1973 and later cars have a 55 bolt pattern, and the axles cannot be shortened. 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. We will look at what axle codes are and how to identify the axle ratio from the code. A metal axle tag is typically located on the driver-side front of the third member. If you are building a 9-inch Ford rear end for your project know you have plenty of options in gear ratios, axles, bearings, brake kits, and much more! housings also evolved over the years: The
First, the pinion shaft housing is removed from the front of the housing by removing five bolts. 1967-1973 Mustang, Torino, Ranchero, Fairlane 9-inch
The Ford 10.25-Inch Rear Axle Replaced The Dana 70 After 1985. Generally most cars received the small axle bearings and 28-spline axle
Locate the Safety Compliance Certification Label on the driver's side front or rear door panel. 74-75 medium duty large bearing, and. housings. Would very much apreciate it if someone would post it again. 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. There is a gear ratio stamped on the tag. of torque to the pinion gear and the gear ratio of the ring-and-pinion is say 4.12:1, the output torque is 412 ft./lbs. 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. housings. 31-spline carriers and axle shafts. Understanding Your Gear Ratio Chart | Red Dot Engineering 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. Ford 9 Inch Rear End Gear Ratios Chart1969 impala ss 427 4 speed. Calculating the torque multiplication that your axle gears provide is quite easy. Any of the W-series cases do have a fill plug machined in them. Many people prefer to just call it the Ford 9-inch-style wheel end. 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. and trucks throughout the 1970s. Careful aftermarket shops and their stringent attention to repairing these housings are able to correct many of these issues. Most of
version of the case came into use in 1967 or in subsequent years, but it
Select the Towing Guide for your vehicle's model year. Ranger Station, Submit
the few cars and early Broncos (and some early trucks) which received
For example: The tag will say: 350 for 3.50:1 ring and pinion gear ratio. Note: Rear axle ratios are available for 2008 and newer models. The case
determine which axle housing many cars and trucks received. This combined with easy assembly makes it popular for fine-tuning a rear gear for any particular application. H. 2.75 locking differential. 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. A
Have
Here is an example to help you through. The other identification information, 9, as observed from the chart, indicates a 3.55 gear ratio of the Ford F-150. 54"
Ratio & type. i.e. . 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. 9 inch ratio chart | Ford Muscle Cars Tech Forum The original carrier is normally equipped with a CV joint flange, which can be replaced with a U . dimples. are you wanting the listing for the ratio tags? Ford used
This case looked like a nodular unit from the front regarding rib structure but did not have the N on it. Produced from 1957 to 1987 by the Ford Motor Company, it was used in full size . 2.75 open differential. Most have the two driving holes for the manufacturing process while one has a more square looking drive end. 70's. The Ford 9 inch rear end also has the widest variety of ratios on the market, Particularly in the 3.0:1 to 5.0:1 range. You bring the gumption. Ring Gear/Pinion Gear Teeth to Gear Ratio. Ford intermediates with big blocks. medianet_height = "250";
The engines flexplate is a critical part to transferring power to your drivetrain. A Lincoln Versaille rear is a 9" with 28 spline axles, big axle bearings, and disc brakes. Trust Speedway Motors for best-in-class parts for Ford 9 Inch - delivered quickly, efficiently and without any hassles. HOW TO CHOOSE YOUR GEAR RATIO FOR A 9-INCH REAREND - YouTube by Ford exist in the size of the outer axle bearings in the housings and
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. 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). CLICK HERE to see a complete listing of front axle codes). First, you need to understand some fundamentals of the Ford axles to help guide your quest. You can find the axle code on the Safety Standard Certification label information. It is common to find a 9-inch in a old Falcon or
also received the larger axle bearings housings. at car swap meets and shows are the units pulled from trucks with the
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. it was very complete. Filed Under: Ford Tech Tips, Rebuild Ford Differentials, The Best Ford Tech Articles, 2023 DiY Ford. The axle identification tag is located at about the 3 oclock position under the third-member mounting nut when you are looking straight at the front of the axle. See all 20 photos. Many companies, such as Currie Enterprises, Mark Williams Enterprises, Moser Engineering,and Strange Engineering, reproduce this design today. It is still used in NASCAR racing as well. Ford 9-inch can be found under 1974-1986 F-150s and 1978-1986 Broncos. 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 . FMX, three-speed, automatic. In most cases, the tag has been lost. There are three versions with external Ns cast in; note the more curved style on the top right. 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. found in the trucks up to around 1982. - as in the Mustang line, most however never received a factory 9-inch). There are even different drum brake registers. 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. . This will ensure that the correct replacement parts are purchased or salvaged from a junkyard to be used in the vehicle. The 8.8" rear end is flat on the top and the bottom as well as the left and right. Original gear ratios range between 2.79:1 and 5.43:1, and aftermarket replacement gears are available for many ratios as well. differences, 28-spline car axle shafts are much more abundant than the
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