what size rear end does a 1966 mustang have

* Short axle shortened by 5/16 inch. The brake kits on this page fit the 1966 Ford Mustang Drum Brake V-8 Spindle Only HiPo Engine code 'K'. Ford Mustang 1965-1966 Complete 9 Rear End Package-Fits: 1965-1966 Ford Mustang *Description is for basic package with default options. Currie ® Ford 9-inch rearends for 1964 thru 1966 Mustangs and Cougars, provide a direct bolt-in solution for those looking to upgrade the rearend of their classic muscle car or restomod build. The Whole 9 Inches- Installing a Ford 9-inch Rear End in a ... I ask him about the gear ratio and he said that it was stock but he didn't know what ratio it was. Hardtop (65B) luxury - 55,938 built. (3-3/8" x 2", 3-1/2" x 2-3/8", 3-9/19 . Wilwood bolt-on brake conversion kits are designed to provide superior braking performance and a highly detailed appearance over a wide range of domestic and import applications. (The left over 1965 models came with either the silver-painted steel rims or Cragar mags. This information will change as further information and corrections become available. Ford 9-inch differentials | Hemmings Motor News The spring perches are a perfect fit. Pirate Jack's kit is unique in that it provides all the brackets and flanges. If you have a rear gear ratio of 3.31, the driveshaft rotates 3.31 times for each wheel rotation. Rear Axle Widths - Hemmings Motor News 1966 Ford Mustang Axle Information & Ratios. This is 90 wt. Hardtop (65A) standard bucket - 422,416 built. Ford 9 Swap question | NastyZ28.com The earliest recorded build dates for the 1966 model year are 16Aug65 for Dearborn and San Jose, and 25Aug65 for Metuchen. 1966 Ford Mustang Body Styles: 2dr. Traction-Loc vs Torsen oil. Keep in mind as mentioned, the Fairlane spring perch distances were not the same as the Mustang. The Mustang (MY 67) model is a Coupé car manufactured by Ford, sold new from year 1966 until 1967, and available after that as a used car. 2.80 open differential. Ford Mustang 1966 - Find out the correct alloy wheel fitment, PCD, offset and such specs as bolt pattern, thread size(THD), center bore(CB) for Ford Mustang 1966 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. I want to find out what rear end it is because I am putting in a 351 windsor into it. It will be too wide for you - so you'll have to compensate with your wheel backspacing or just find the correct . The factory gear ratios in the transmission and rear-end are chosen to allow for RPM-friendly highway cruising, while . All the Galaxies I have seen from throughout the 1960's used the 9-inch rear, regardless of engine size. The Pirate Jack Classic Mustang Rear Disc Brake Kit provides an easy to install, bolt on solution for upgrading your Mustang Ford passenger car 9" rear-end. I believe the '66 Fairlane is 59.25". Power is transmitted from the transmission to rear end 1:1 in . Vintage Mustang- 4 to 5-Lug Nut Conversion. Listed are the expected RPM's at 60 MPH with a given rear end ratio and tire height. Hi - I have a 1965 Mustang 200 l6 that is all original. Mustang seats have a woven pattern whereas the 1965 seats were smooth. Ford sold over 600,000 of these, making it nearly twice as popular as it's competitor that year, the Chevy Impala. The small are 2.835" or just under 3" and the large are 3.150" or just over 3". In the Mustang of that year having a 6.75 in. The Ford Mustang rear end specifications have changed quite a bit since the beginning of the Fox Chassis in 1979. Rear axle widths. For stopping power, the Mustang (MY 64) 200 3.3 Fastback braking system includes Drums at the front and Drums at the rear. The entries on this page were transcribed from the 1965-1972 Ford Car Master Parts Catalog (MPC). REAR SUSPENSION. For stopping power, the Mustang (MY 67) 289 4.7 V8 braking system includes at the front and at the rear. The suspension and steering under the 6-bangers is not as stout, even the rear end was smaller the 7 3\4" unit. Clear/Clean Missouri title. The flange-to-flange on the '67 - '70 Mustang is 59.25". All 79-04 Ford Mustang Rear Ends used 28 spline axles except for the 2001 and 03-04 SVT Cobras - they used a 31 spline axle in their IRS rear end. 14,876 satisfied customers. I have 1966 mustang 6 cylinder end I want to put discs back but everywhere I'm wondering if I have small or large bearing. RPM - Rear End Ratio Chart: The chart below may be of some help in deciding what rear end ratio is right for you. The Mustang II utilizes two different style rear axles. Mustang , Fairlane / Torino rear I have dealt with '66/'67 Fairlanes for over 20 years and I know that the '66 to '69 Fairlane and Torino have a flange to flange dimension of 54.25 inches , the '67 to '70 Mustang have the same dimension , the differance between the 2 housings are the spring perch type and the mustang has the brake hose/vent on the left side and the Fairlane / Torino on the . If you have loose axles laying around, you can simply measure the outside diameter of the bearing. 5.5x15" (heavy duty station wagon steel rims) or 6x15" Crager Chromed rims. Factory installed in practically everything since 1957, there are millions hanging out in salvage yards everywhere, waiting to be slid under your ride. 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. We have a large selection of gear sets in stock and can recommend the correct . The flange-to-flange measurement of the rears on the '65/'66 Mustangs is 57.25". The first axle is used on 4cyl and some 6cyl cars and is a 6 3/4" ring gear integral carrier axle. The list price was $4428. Advance Design Trucks seem to be using rear ends with widths ranging from 58"- 62". The 1966 Shelby Mustang GT350 measures 68.20 inches in width, The 1966 Shelby Mustang GT350 measures 181.60 inches in length, and has a wheelbase of 108.00 inches. rear end in it you would need 2.5 pints of gear oil. A 2010 older V6 Mustang has a 7.5 rear end. I installed an unmodified 9" rear out of a 68 Cobra Jet Mustang into my 66 Fastback. Therefore, you can use V6 gears on all V6 Mustangs from 1994-2010. Axle code. If you have 12 bolts, then the rear end is a 9 inches. These dimensions do not include brake drums and are measured from backing plate to backing plate. Every V8 Mustang that came out of Ford in the early days had five lug nuts, the 6-cylinder cars got four. F. 2.80 locking differential. Shop: https://latemodelres.to/2D1F32DIn this installment of LMR Basics, check out the simple steps required to change the rear end gear oil in your Mustang.W. ;) Year & Model Axle Length Notes 1965-1966 Mustang 57.25 inches 1967-1970 Mustang 59.25 inches 1971-1973 Mustang 61.25 inches 1977-1981 Versailles 58.50 inches 1967-1973 Mustang, Torino, Ranchero, Fairlane 59.25 inches to 61.25 inches 1957-1959 Ranchero and station wagon 57.25 inches. The 9" does not have enough room on the lowest bolt for the socket with extension and an 8" does. Ratio & type. The two axles are easy to tell apart. 2dr. Optional Upgr 00:00. High School or GED. Ford 8" Complete Center Section / Third Member. 1966 Mustang Production Information. I have 3.70's in mine and she revs pretty high on the interstates (I also have stock diameter tires which makes a difference). 68 el-camino: gear ratio..a car that the rear end will bolt up. This is critical and prevents misalignment, which could create unwanted vibration and/or poor braking performance. This axle is outfitted with 31- spline axles, large ball-type axle bearings and is 61" wide. Rebuilt 4 lug rear end - new bearings and seals (~5 years / 8,000 miles ago) Rebuilt drum brakes all around Dual master cylinder with vacuum brake booster Center console Interior Lokar gas pedal The bad: Does not run / drive and will need to be towed No cylinder head (removed and moved to my new project - have a spare core if needed) It was initially introduced on April 17, 1964, as a . This article applies to the Ford Mustang GT (1996-2004). WARNING: Some 8.8 axle assemblies such as the 2007-2010 SVT Mustang have a spacer between the rear pinion bearing cup and the axle housing. Our experts will help you find the correct ring and pinion set for your particular application. Axle Widths: 1965-1966 Mustang 57.25 inches; 1967-1970 Mustang 59.25 inches; 1971-1973 Mustang 61.25 inches The Mustang's styling, with its long hood and short deck, proved wildly popular and inspired a host of competition. Used on the early Mustangs and Falcons and can be easily identified by the small 1 inch diameter bearing caps and that there are no visible outside snap rings as usually found on most Ford driveshafts. Since then, limited-slip differentials have become a standard feature in Mustangs. That is why it fit so well for everyone else who posted. 1973 Mustang. THE STRONGER REAR-END REPLACEMENT! 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 1966 fastback has a new and different style of seat latch for the folding rear seat option. Ford's 9 inch rear axle was produced from 1957 through 1986 and was installed in nearly every Ford passenger car and truck at one time or another. The axils must be modified as follows to fit the Mustang II axle housing: * Long axle shortened by 1/8 inch. As a result, they have their own gears (although the same size at the 8 cylinder 8.8 rear ends). Gallon of Gas : $0.32. These cars and pickups are where you'll likely find a donor differential that has the 31-spline axle configuration. Mechanic. The other question I have is that the 1966 289 mustang coupe car I am selling is set up different in the rear end. Consoles were a often ordered item and automatic transmissions priced at about $176 were ordered on about 63%of all 1966 Mustangs. Ford used the 9 inch rear from around the 1957 model year right up until the early 1980's in cars and trucks. The Floater Rear End is becoming a necessity for today's big MPH cars. Ford Mustang with Ford Series Axle 1966, Rear Differential Pinion Repair Sleeve by National®. 2dr. From the measly 2.26:1 gear found in some of the first years of the Fox Body Mustang to the 3.73:1 ratio found in some of the most current performance models, Ford has offered factory gear choices to fit almost every driving style! thank you. The following is a general list of rear ends and their dimensions to help narrow the search for a possible candidate to replace the torque tube rear end or just get a better set of gears for highway driving. Jan 1, 2004. A guy is selling a complete 4 lug rear end with disc brake from his wrecked mustang. Give us a call at 800-216-1632 to get started. The Mustang came from the factory with a 7.5-inch or 8.8-inch rear end, after 1979, with a variety of gear ratios and in both limited slip and open differential configurations. I have built the car through the years as a driver (300+ HP, OHD, Air,etc.) It was then replaced by the Ford 8.8 inch rear axle. Favorites among circle track racers include the rear axles from in '66-'70 full size Fords and Mercurys, '71-'72 Lincolns and '68-'72 F100 Ford trucks. rear end, you would need 3.5 pints of the 90wt oil. Shop Proportioning Valve & Distribution Block for your classic 1965-1973 Mustang at NPDLink.com! Avg. The 1966 Silver Mustang we have here at Skyway Classics is a C Code Engine with what we believe to be the original 289 cubic inch engine and is extremely close to factory original. Count how many bolts are on the inspection cover. New dimensions (lower than previous models by 1.4 inches and longer by 3.8 inches) add emphasis to Mustang's long hood/short deck pro- portions. Up until 2011, the V6 models had different rear ends than their 8 cylinder counterparts. NHRA mandates that vehicles traveling faster than 6.50 or 210 MPH in the 1/4 mile are required to run a "Floater or Live Axle" Rear End. Measure the diameter of the ring gear. Will require sheetmetal repair in all of the typical Mustang areas. He would have walked away without a scratch--except for the burning gas that came into the passenger compartment and nearly killed him. Factory 1966 Mustang Rear end. Greaseable Universal Joint for REAR of 1964-1966 Mustang & Falcon. please help me. De Dion axle. Another strength consideration is pinion-shaft . that makes cross country trips. MUSTANG 63A SPORTSROOF EXTERIOR FEATURES The Mustang SportsRoof is an all-new design with a low sleek roofline, a built-in rear deck lid spoiler and deep simulated side air scoops. Many of these units also have larger 3-1/4" axle tubes. The 1966 Mustang Fastback wasn't nearly as popular as the coupe. The introduction of the Mustang created a new class of automobile known as the pony car. In 1995 Ben Hodges survived a rear-end crash in a '67 Mustang. A Ford 9-inch has a ring-gear diameter of, you guessed it, 9 inches closely followed by the 12-bolt at 8.875, with the Mustang rear at 8.80 inches. Decoding the data tag on the rear end will provide the information required when ordering replacement or up-graded parts for the Ford differential inside the rear end. That being said, it isn't just a simple bolt in procedure, especially if the housing you have isn't a perfect fit. I have 7 1/4 rear axles and I do not know what it is. I did quite a bit of searching for the right rear end for my 1966 Mustang. Favorites among circle track racers include the rear axles from in '66-'70 full size Fords and Mercurys, '71-'72 Lincolns and '68-'72 F100 Ford trucks. VIN Decoder. Product Details. Ford saw this as an opportunity to redesign it to appeal more to the masses, so . F. Dearborn, Michigan. This was accomplished by using the Ford Granada 5 lug axles from an 8 inch rear end with a "drop- out" carrier. Jump to Latest Follow 1 - 14 of 14 Posts . This is also sometimes referred to as the final-drive ratio since it's the last gear that must turn before power hits the pavement. De Dion axle. The second is used on some 6cyl and all 8cyl cars and is an 8" ring gear removable carrier axle. small or large? 3.00 is basically economy highway gears. Hello everyone. The number of times the driveshaft rotates for each rear wheel rotation is your Mustang's rear gear ratio. Ring and Pinion gears are apparently not available for these any more. For a rear end I have no posi and bad gear ratio, it's a 12 bolt and i don't know if it's origial. MUSTANG RESTORATION: DISC BRAKE CONVERSION- STEP #1. #13. 2dr. If you have a 7.50 in. The 1966 Mustangs were a smash! However, if you don't have an LSD and you want to upgrade, there's plenty of options to go with. The paper I have gives it by vin breakdown. After the studs have been pressed into the axle, install the correct-dimension centering ring around the hub to help center the rotor to the axle centerline. Mustang II Axle Identification. Ford Mustangs leave the factory with a well rounded mix of performance and fuel economy to meet the demands of a daily driven vehicle. Currie Ford 9-inch rearends are built to match the vehicles original equipment axle width, pinion location, suspension mounting . 1966 Mustang Coupe Project Car. Has mostly complete Black interior. Last year with the OHD, the stock gear was a little to high for the mountains from Indiana to Reno, NV. Step 4. of suitable length) on each side of rear axle pinion bearing cups to prevent rear axle pinion bearing cups from cocking in rear axle housing bore. 7.5 inch, 8.5 inch, 10.5 inch. The K code 9" rear was available in several different gear ratios. Vehicles with Similar Dimensions. The socket test is kind of a quick way to tell if it is a 9" rear or not. Code Application Ring Gear And Pinion NL or L Axle Shaft Splines Additional Information; Ratio: Diameter of RG: WDY-A, A1: Comet '66-69 Fairlane '66-70 Falcon '66-70 However, all 67->up 8" and 9" rears have a slightly larger tube dia at the spring perches than the 65/66 Mustangs. The inside door panels have a horizontal line . Hi, I have a 68 el-camino with a 350 and a muncie 22 train. The first table is the code and gear ratio. The 1966 Ford Mustang accounted for 27.5% of Ford's 2,212,415 production. If you want a little extra kick without overdueing it 3.50 would be pretty good without an overdrive trans. ;) Year & Model Axle Length Notes 1965-1966 Mustang 57.25 inches 1967-1970 Mustang 59.25 inches 1971-1973 Mustang 61.25 inches 1977-1981 Versailles 58.50 inches 1967-1973 Mustang, Torino, Ranchero, Fairlane 59.25 inches to 61.25 inches 1957-1959 Ranchero and station wagon 57.25 inches. It is built to the original equipment specifications to ensure factory-like fit, quality, and reliability. The 2005-2010 V6 Mustangs with a Ford 7.5 rear end used 28 spline rear axles whereas the 2005-2010 V8 Mustangs with 8.8"rear ends used 31 spline rear axles. We are in the process of restoring it. This measurement equals the size of your rear end. The 1969-'77 full-size Ford, Mercury, Lincoln, and half-ton trucks from 1973-'86 used the strongest (thickest tubing) rear housing of all the 9-inch rear donors. The support bars for the rear end come almost all the way to the end versus the new body does not. 6. VIN is die stamped into the top of the front inner fender. Tim\u0027s Auto Repair. This means you need larger U-bolts (2 7/8") and spring/shock plates from a 67->up Mustang. CLICK HERE to enlarge Prices, Options, Stats, and Codes. '67 to '70 Mustang/Cougar 8 cyl. It has the standard 7.25" l6 rearend. The first reason is elimination of bind. 1966 Mustang VIN Tag. In short if you have a Foxbody that's made before 1981, if you have an automatic, or if you have a V6 engine, your Mustang won't have a factory LSD. First Digit: Model Year: 6 = 1966. The first-generation Ford Mustang was manufactured by Ford from March 1964 until 1973. Hot rodders and drag racers use 9″ Ford rear-ends and their aftermarket descendants in just about everything — not just Ford cars and trucks. I also have the car's original window sticker from Shelby American, and this document does not identify the installation of a spoiler, in fact this car was shipped the McFayden's Ford of Omaha, NB with NO options at all (no radio, no rear seat, no locker rear end and no optional Crager wheels). 64-66 Mustang Rearends. The rear end has developed some slop, I was hoping it was U-Joints, but am not lucky enough. In fact, it was the best selling Mustang of all time! The number of times the driveshaft rotates for each rear wheel rotation is your Mustang's rear gear ratio. If you have a rear gear ratio of 3.31, the driveshaft rotates 3.31 times for each wheel rotation. While a basic housing and axle package for a Fox-body runs at around $1100, a complete rearend that is ready to run with basic disc brakes and a Posi starts at about $2700. Most cars manufactured between 1960 and 1980 have rear spring rates and the travel geometry that are entirely dependent on leaf springs; effectively making them both arm to locate the axle, and spring to control the axle's travel. This chart applies to all Ford non-overdirve transmissions, manual and automatic. By Joseph Coelho - November 5, 2015. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform optimally. does anyone know? Variations by Ford exist in the size of the outer axle bearings in the housings and carriers both, as well as with the spline count on the axle shafts. The Mustang (MY 64) model is a Coupé car manufactured by Ford, sold new from year 1964 until 1966, and available after that as a used car. The Mustang design was not changed much for 1966. With an axle code, you can establish your Mustang's original rear gear ratio and differential type. If you have 10 bolts, then your Ford has a 7.5-inch or an 8.8-inch rear end. This is also sometimes referred to as the final-drive ratio since it's the last gear that must turn before power hits the pavement. GTs have had a standard limited-slip differential since 1986, and four and six-cylinder Mustangs have had one since 2011. that fit the three most popular sizes of the 9" rear end. Second Digit: Assembly Plant. The standard wheel on the cars after 252 left over cars was a 14" Magnum 500 wheel. Many of these units also have larger 3-1/4" axle tubes. I will mark the drive. Free shipping over $300, fast delivery & everyday low pricing! The Mustang's styling, with its long hood and short deck, proved wildly popular and inspired a host of competition including Camaro, Firebird, Cougar and others. For 1966, the Mustang again was offered in three body styles - coupe, convertible, and fastback. The 1966 Ford Mustang measures 68.30 inches in width, The 1966 Ford Mustang measures 181.60 inches in length, and has a wheelbase of 108.00 inches. 8" rear-end is believed original to the car. This axle is outfitted with 31- spline axles, large ball-type axle bearings and is 61" wide. It was not the only axle used, but was by far one of the best. General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. rear suspension. 1966 MUSTANG VIN NUMBERS. I asked him if it was 93 cobra or a turbocoupe rear end and he said that he don't know. rear suspension. You can always spot a straight-six Mustang with a quick look at the wheels. For 2011-2014 Mustangs, both the V6 . 1966 GT350 Specifications. There are 4 different sets . Pictures show the trouble areas. If you know your axle tag number, simply go to the second table. Photo 2 and 3 show a large bearing axle housing and you can see a noticeable size increase where the axle housing meets the backing plate. * Factory taper at the spline end must be retained to provide proper fit into the carrier. Currie offers rear-end housing and axle packages that are completely bolt-in for all Mustangs from 1964 to the current 2008 model. Hardtop (65C) bench seats - 21,397 built. Connects driveshaft to rear end pinion yoke. In all other cases the Mustangs came equipped with Trak-Locs. Actual wheel track could be as much as 6" to 8"depending on drum size: '67 to '70 Mustang/Cougar 6 cyl. The Ford 9-inch rear is by far the most heralded of all rear differentials. Original 289 "C" Code V8 car, does not have motor/tranmission.