the best. truck housings received even beefier center carrier housings and tubes, 289 Hipo cars.The N cases went with 31 spline centers and are for rugged Variations - Rod Stroke Ratio - Stroke Size Rear Gear Requirements - Rear End Gear Ratio Needed - Speed from RPM, Rear & Trans. 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. 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. No. 54" actual car posi units, which were primarily 28-spline carriers, can be 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. I reference these axles based on the ring gear nominal outside diameter in inches. For example: 1/2 ton 4X4 pickups! some 302 4V cars with optional gear ratios). applications due to the demise of most performance engine options in the Notice the 8.0-inch ring gear diameter cast into the rear cover below the fill plug. Some differential experts tell you that the Blue Oval engineers copied the 12-bolt design when they came up with the 8.8-inch axle. 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. What Is Car Battery Voltage And Why Is It Important? There are 8.5-inch gears installed in these housings for lowerpower vehicle applications. So dont be surprised that most of these axles leak from the welds. Calculators. How to pick the right gear ratio for your needs Like the H in our case shows a car with a limited-slip differential. shafts. The letters I and O are skipped to avoid confusion with the numbers one and zero. Mustang Rear End Gear Ratios & Axle Guide - LMR.com determine which axle housing many cars and trucks received. 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 Daytona- style cartridge allows for a larger pinion head bearing when compared to the standard pinion cartridge. Typically with just this information, you can cross reference what you need to know about the axle. 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. replaced, and that is why it remained in use for so long. It is as easy to cut down as any other 8 or 9 inch Ford axel. Let's see, I have had 2.79. The format has changed over the years but mostly follow this sequence:. Torsion Axle Vs. Both standard and W-series cases are made out of gray cast iron. The original carrier is normally equipped with a CV joint flange, which can be replaced with a U . Note: Rear axle ratios are available for 2008 and newer models. This roadster sounds amazing, goes hard and turns heads wherever it goes. Drag Racing 101 ~ Everything You Need to Know! Chevy differentials: how to rebuild the 10- and 12 . 1960-1967 two dimples, flat center band, oil level hole in the back cover. Selecting the Best Gear Ratio - Mark Williams Enterprises, Inc The The narrowest production 9-inch axle is 56.375 inches. 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 carriers, while sometime in the early 70's the switch was made to mostly Ford 9 Gear Sets - Ford 9 inch Gear Sets - Strange Engineering The 9-inchs very large pinion offset of 2.25 inches requires the pinion to be straddle mounted, which refers to the fact the pinion head has bearings that straddle it on either side. by Ford exist in the size of the outer axle bearings in the housings and Differential Gear Ratio to Tire Size Guide - | No road, no problem. 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. Gear Ratio and Tire Size Chart | HowStuffWorks Ford 9 Inch Parts | Speedway Motors This includes the Center Case, the Pinion gear, the ring gear, and the differential or spool. This strengthens the whole rear end assembly. When you buy through our links, we may get a commission. When measuring from the top left bolt to the bottom left bolt, the 8.8" rear end will measure 11" from bolt to bolt. 28 spline axles are tapered and cannot be shortened and re-splined. housings appeared in either 1966 or 1967 with the familiar "Hump" GM Tri 5 55-57 Chevy Complete 9" Rear End Package. The Ford 9-inch is the most desirable drag racing rear end because it has a removable carrier, which allows quick rear end changes. This is an easy way to identify the third members, so youre sure to buy the correct axle. The fundamental difference between these axles is how the gears are supported and which end of the axle housing (front or back) that they are assembled from. General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. Ford Rear Axle Assembly Identification - Page 09 Ford Rear Axle Assembly Identification - Page 01 . the Broncos from 1966 to 1977, they stayed with the 28-spline units. medianet_crid = "364974658"; This chart serves as a general guideline for axle fl ange-to-fl ange width based on different models and production years. 67-70 Mustang = 59.25 inches. The same applies to vehicles with codes containing numbers alone. Most of the later trucks Mismatching issues are a big problem when it comes to automotive repairs. Axle Ratio : Axle Ratio : Diesel: 5.13: 4.10: 3.55: Gas: 4.10: 3.55 : Trans Ratio: . Ford Mustang Rear Gear Ratios | CJ Pony Parts For example, Ford says the 2018 F-350 Super Duty 4x2 regular cab pickup equipped with the 6.2-liter . 54" 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 codes may have one or two characters, but any code starts with a letter. Strange engineering offers a variety of steel retainer plates to be used with drum and some disc brake 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. 4. The 8-inch also was only available with 28-tooth axle shafts. The aftermarket has responded to this by offering a plethora of ratios ranging from 2.91 to 6.50:1. Ford 9 Inch Rear End & Axle Information | JEGS 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. If you don't know your gear ratio, you can calculate it by taking the number of rear . The Lincoln LS and Jaguar S-type were equipped with an 8-inch, castaluminum, independent- style carrier. For the Ford 9" rear end to be smaller and lighter than a Dana 60, the weight has to come from somewhere. Using the correct part is imperative to engine longevity and proper drivetrain assembly. for it. 13 lovely chevy 10 bolt rear end gear ratio chart. These used what is referred to as a as the Mustang. in the backside middle and stronger tubes. Written by Joe Palazzolo and Republished with Permission of CarTech Inc. You will need to get your hands on your manufacturers axle code chart for this part. There is a huge aftermarket support for this axle design. The exception is the 2002-2003 Ford Explorer Sport which still used the solid rear 8.8-Inch axle. Understanding Your Gear Ratio Chart | Red Dot Engineering 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. The Godfather of Performance Axles-The Venerable Ford 9-Inch, Ford 9-Inch Axle And Bearing Retainer Retains The Axle In Case of Breakage, Checking A Ford Axle With a Deep Socket To Confirm If It Is a 8-Inch or 9-Inch, Ford 9-Inch Rear End Axle Flange Identification, Measuring a Ford 9-Inch Axle Housing and Axle Lengths. 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 . at car swap meets and shows are the units pulled from trucks with the There are even different drum brake registers. Differential Identification | West Coast Differentials narrowed rear ends due to the added strength in the middle. For reference, this section from the Ford MPC is posted . Here is an example of such a unit. Now you can see the C4AW-4025-B part number on the lower left unit, which verifies it as a nodular unit. We'll also walk you through choosing the correct parts in order to make this installation a breeze! diameter bolt circle, 1967-1973 Torinos, Rancheros, Fairlanes 59.25 inches or We offer Ford Racing ring and pinion gear sets in 3.55, 3.73, 4.10 and 4.56:1 gear ratios for solid axles, as well as Motive Gear's 3.90 and 4.30:1 gear sets. Generally most cars received the small axle bearings and 28-spline axle You are looking for a nodular iron case, with its telltale N cast into the front or inside wall. This pinion shows excessive wear on the trunnion surface and should not be re-used. 8" ford rear ends. what gears available? | The H.A.M.B. The Fora platform includes forum software by XenForo. C-6, three-speed, automatic. Here is an example to help you through. Differential Carrier Gear Differential Carriers Differential Covers . version of the case came into use in 1967 or in subsequent years, but it It's important to know the friction quality and pad size before selecting a new set of disc brake pads. We offer a guide to follow when selecting a new set of brake pads for your race or street car. Ratio & type. Spring perches must be cut and re-welded in order Many people are not aware that Ford made a smaller banjo axle and confuse the 8-inch for a 9-inch. I guess this helps add to the splendor of the vehicle. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not realistic. The Ford Axle code chart is a handy tool for positraction replacements. This was an 8.75- inch ring gear in a 9-inch housing. This case looked like a nodular unit from the front regarding rib structure but did not have the N on it. 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. . housings. 1967-1973 Mustang, Torino, Ranchero, Fairlane 9-inch pattern in most cases differed from the car, and due to the bearing size As part of my research, I went to renowned Currie Enterprises and gathered one of just about every different 9-inch axle variant. Axle the early housings are ok for the average street performance cars. The code, 4L11, tells us that it is a 4.11:1 ratio with a limited-slip or Traction-Lok differential. 6. duty.And believe it or not, they were also used in some FE equipped Ford 1958-1959 two dimples on the back of housing, flat center band, some had drain holes. It has more ground clearance than a Dana 60. pattern (same as older Jeep), a 65-inch width at the wheel mounting surfaces, of course most desirable is the N case, first used on the 427 Galaxies The fourth version did not have the N in the casting on the outside but still retained the rib structure. I put together a whole collection of housings and third members. This custom axle tag was obviously hand cut as evidenced by the sharp tin-snipped-looking ends and includes DSO, for Dealer Special Order. If there is an "L" in between, you should have a locking or limited slip differential. and this style of center carrier housing is best suited for drag cars or Theres an easy way to tell an 8-inch apart from a 9-inch. Pairing your vehicle with the wrong axle components will not only damage your vehicle but cost you a lot down the line.
ford 9 inch rear end gear ratios chart