56) (see more formulas at bottom of page) The below table can be used to get a rough idea on gear ratios. Also available are: Chassis and brake specs, cylinder head bolt tightening sequence, fuse and circuit breaker locations, valve specs, front wheel alignment, light bulb specs, distributor specs, generator specs, crankshaft bearing journal sizes, piston and pin specs, all liquid capacities, tune up specs, battery and starter specs, car serial number location and engine identification, along with. 8-Inch is also used in other Ford products such as Ford Mustangs, Ford Thunderbirds, Ford Crown Victorias, and their equivalent Mercury and Lincoln products. 10 Ring Gear and Pinion Set fits Ford 8. gear sets for the 8. 88 ring and pinion). I am looking to get a 2019 Ford F350 dually. 73 to one, and 4. 33 ratio ring and pinion in the truck's 9-inch Ford axle for a set of 4. In this case, it is an 8" ring gear. Its gear ratios are extra wide, because with 850 lb-ft of torque you can get away with less frequent shifting. 10, and have factory limited slip. 00:1 Ratio Crown Wheel and Pinion Diff Gear Set - NEW. Series of Carrier To determine which gear sizes are compatible with your current rear-end setup, you need to know the series of differential carrier, especially when dealing with GM and Dana applications. The colors represent ideal RPM's at highway speeds (65). Ford 9 / Ring & Pinion Gear Set- Standard 28 Spline Pinion8620 Heat Treated Material. 50 ratio, but followed by that are the numbers 8. , including acceleration times 0-60 mph, 0-100 mph, 0-100 km/h, 0-200 km/h, quarter mile time, top speed, mileage and fuel economy, power-to-weight ratio, dimensions, drag coefficient, etc. Antique Cars Classics Customs Hotrods Leadsleds Roadsters Streetrods Trucks Turbine Car 40 31 Ford 67 Dodge Charger 61 Chrysler Images Specs Pictures Photos. So if you bought aftermarket 5. 5 circle they will be larger than if they were spread out in an 8 inch circle. A commonly overlooked component of a vehicle's drivetrain that has a large effect on fuel economy is rear end gearing. 125-inch wheelbase is offered, andwith the 5. 10-to-1, according to Drivetrain. The T18 was made by Borg-Warner Gear from 1965 to 1991. 75-inch, and GM 8. The last Ford 9-inch rear end to be installed in a truck was at the end of 1985, which concluded all (factory) production of the Ford 9-inch rear. its just a toy, but i still want to drive 70 on the highway. Lots of information for Classic Ford collectors, restorers or general enthusiasts. The calculators provided below are a simple way to compare different gear ratios and their effect on RPM and different speeds. Axle Decoder Chart Code Ratio Capacity Maker Type Yr 12 2. You can cross reference tire size and gear ratio to see what your travel would be and then compare that travel to the stock figure. Naturally, the bigger the diameter (gear inch number) the farther you will go for each pedal revolution. Make sure you get your gears installed correctly, or they are noisy. 75 10 Bolt --. Introduction. I was wondering if there was a way to bring those freeway rpms down to get better gas mileage and less wear on the engine. All third members come with a new housing gasket, and all trac-lok units come with a friction modifier. Gear Ratio and Tire Size Chart NEXT PAGE This gear ratio and tire diameter chart is meant to give you an approximation of ideal RPMs at highway speed (65 mph) for three situations: fuel economy, every day driving and increased towing power. These Non-World Class V-8 transmissions all had a 2. This chart applies to all Ford non-overdirve transmissions, manual and automatic. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. gear ratios & tire sizes xls. 73 gear ratio requires 3. We offer a complete line of rear end parts for your Ford 8. The accompanying charts show what gears were manufactured for each type transmission. Also covers how to disassemble and rebuild any manual transmission. Rear End Axle / Rear Differential. 12 by your Jeeps tire diameter (Example:. I know that the three gear reductions are the transmission, the differential, and the rear wheels. ) Tire Height - In Inches, Use The Gear Calculator or Tire Size Calculator Speedo Revs/Mile - Number of RPM the speedometer needs to turn at 60mph You can hit the SAMPLE button to see how some typical calculations will look. There are 24 different Fords that offered the 8. 55, but i'm thinking i'm gonna regret not running 3. How to tell a 8 inch diff from a 9 inch. Gears can't change power - they only change RPM & torque. About this Engine RPM / Tire Size chart: The following chart of Tire sizes and axle gear ratios are meant to give a general idea of the relationship between the differential gear ratio and the tire size and what effect the ratio has on power output and fuel economy. Fuel economy will also take a hit—but not from the gearing change alone. If multiple gear ratios are desired than a second center section could be set-up with a different ratio, the 8. Series of Carrier To determine which gear sizes are compatible with your current rear-end setup, you need to know the series of differential carrier, especially when dealing with GM and Dana applications. Drive Gear Teeth - The Number of teeth for the transmission; Rear End - Rear Gear Ratio (3. Enter the number of teeth on the Ring and Pinion gears and click the "Calculate" button to view your results. The 9 inch Ford performance rear end has established itself as the gold standard for strength and durability. Now on to the differential. The chart on the AMS site for my truck shows different capacites for different ring gears in the differential and transfer case. RATIO CHARTS. It was a fun ride with alot of get up and go, tpp much. late model axle ratio. Dividing gives us the real ratio 4. 8 and 9 Inch Ford Rears Built for Street to Race Applications. 70: 9 in: NL: 28. 2000 -cjb. 5 with a larger ring gear. 8" ring gear. The 7-1/4 inch axle has housing tubes which are 2. Rear End Axle Ratio (ie 3. Parts Drawings: Transmissions & Clutches: Click on a link below to download the picture. I ASSUME axle code " 86 " is the same as it is on the ( 1996 ) Ford Ranger ( 3. Find a quality Ford Explorer Rear Axle Assembly and other used SUV parts from the top auto salvage yards. Ford developed the 8. 8 as their solution to differential upgrades. I have no idea why they would mention an 8 3/4 ring gear for the rear, neither of my manuals do. If you live in Calif. 25" (1964-1970) Mustang. This is useful as many Jeep enthusiasts do not want to lose the roadability of their vehicles. Techno’s “Know your car” Series # 8 Mazda MX-5 Gear and Differentials Ratios and Tyre Sizes Introduction. This awesome Samurai was built by Joshua Hardy and competed in the 2014 Top Truck Challenge. All 1983-1992 GM V8 T5s have a 26-spline ´ 1⅛-inch input shaft, a 2. 5l ecoboost v6 valvetrain ti-vct dohcti-vct dohc ti-vct dohc. Chart showing transfer cases offered and gear ratios. An application chart and guide to decoding the automatic transmission I. T5 Mustang 5-Speed Transmission Parts. For each spindle rotation, the carriage must move 1/16 inch. All sorts of information about 1965 Mustang Axle Ratios. You can also compare your gear ratio on the front axle ID tag. 73 3800 FORD REG 1991 17 3. 8 rear end, need ring and pinion of differential parts. First the housings are plentiful. Naturally, the bigger the diameter (gear inch number) the farther you will go for each pedal revolution. When aftermarket vendors started making gears lower than 4. For instance, switching from LT265/R17s to LT285/R17s, or roughly a 1-inch taller tire, is equivalent to changing the axle ratio from 3. 55 or even the next lower gear-set would be fine for a T5. 55, but i'm thinking i'm gonna regret not running 3. For sale is a Ring & Pinion set for Ford 8. Rear Flange Thickness 3/8". See What gear ratio do I need in FAQ for a discussion on choosing a ratio. Ford 9 PRO GEAR* TM Winners Run RICHMOND! TM • Stem Size 1-7/8'' • 35 Spline & 28 Spline • 10 Holes • 20 Bolt • 9. 8 I'd need would thus be a custom axle. 54) to see which one comes closest. A wide range of gear ratios is available, from 3. 8 or Explorer 8. 2nd and 3rd gear ratios decrease slightly. 75 10 Bolt --. 7l ecoboost® v6 5. 8 IRS center section can be swapped out in as little as two hours. its just a toy, but i still want to drive 70 on the highway. The 1962-63 serial numbers are located on the front, right side of the differential carrier. This axle is still in production today for a variety of Ford vehicles. A good way to calculate this is to multiply. 0 out of 5 stars 1. 2000 -cjb. Gear Ratio 3. 241 inch (in. Simple guide to choosing the best diff gear ratios for your Jeep or 4x4 truck The correct chart for your gear ratio is important for drivability and economy. See the chart below the table for typical ratios. Car Brakes: How Do You Know When to Change Them? By Zach Bowman For those who suffer a daily commute through heavy traffic, your vehicle's braking system can bring thousands of pounds of metal, plastic and empty Starbucks cups to a stop hundreds of times before you get to work. Transmission Gear Ratio Chart ~ Gear Ratios are listed for many popular transmissions. 66 Second 2. A B D C 2Based on Ford drive-cycle tests of comparably equipped 2011 Ford and 2010/2011 competitive models. Chevrolet truck VIN numbers deciphered. We manufacture all types of gears and machine parts in just about any material to suit your needs. 8-inch wheelbase and 6 3/4-foot cargo bed. Find out why the 2018 Ford Explorer is rated 6. Division is the only way to figure it. 8-Inch is also used in other Ford products such as Ford Mustangs, Ford Thunderbirds, Ford Crown Victorias, and their equivalent Mercury and Lincoln products. i have my 62 falcon about buttoned up. Many custom made axle housings for the GM boys utilize the 9 inch Ford, even though they hate to admit it. 55 or even the next lower gear-set would be fine for a T5. One common technique to identify differential ring gear diameters is cover - cover gasket shapes, to help you we have provided a list of possibilities. Gears can be a pretty general term but in this case, they refer to the ring and pinion gears residing in the rear differential. You can mark the driveshaft to help you count. 8 out of a v8 all wheel drive explorer/mountaineer will have the gear ratio of 4. RATIO CHARTS. Tire size calculator compares diameter, width, circumference and speedometer differences for any two tire sizes. 0L POWER STROKE V6 TURBO DIESEL. 33 ratio ring and pinion in the truck's 9-inch Ford axle for a set of 4. Used Values, Specs, Pictures and More. Truck Trend is the source for official specifications, payload, towing capacity, and other information that matters to real truck users. One of the biggest frustrations in building these axles is that the thin shims in an aftermarket pack are very difficult to install without damaging them. It is known as one of the most popular axles in automotive history. By the end of this tutorial you should know how to calculate a gear ratio function of the gears and also the effect of the gear ratio on torque and speed. More info on performance mods, clutches and shifters. The identification code will tell you the gear ratio, if it is a posi, and in some cases what engine and transmission the car is equipped with. 31 ratio, but also had options for 3. 35 1st gear or the 2. Use this gear ratio calculator to see what ring & pinion gear ratio will be right for you after a tire size change. The Purpose of this page is to give you a quick reference listing of the gear ratios used in the various models of the Z Car. 10 Ring and Pinion. 12 X 38" = 4. Ford 9" (Short Extension and Non-Magnetic Target Plate) Ford 8. 2nd and 3rd gear ratios decrease slightly. Description: US Gear Ring and Pinion # 07-990340 | Ford 9" PRO Big Pinion | 3. Use this gear to convert any close ratio toploader to a large input unit or use it as a direct replacement for any large input close ratio toploader. Now on to the differential. Once you've determined your gear ratio, the next step is to determine which gear ratio is right for your application. For 2003, Ford is boosting enthusiasm with two special-edition Mustangs Ð the Mach 1 and Pony. So if you bought aftermarket 5. 0 out of 5 stars 1. You can buy these with various ratios from 2. The Ford 9-inch is an automobile axle manufactured by Ford Motor Company. 35:1 Ford V8 gearset (I machined and shortened the overall length of the maindrive gear plus hardened the tip) 27 Spline yoke. For more information, read "What's on your tire's sidewall," As an added bonus, the Gear Ratio Calculator doubles as a Vehicle Speed Calculator. Chart showing transfer cases offered and gear ratios. BUT the Ford 9". Check out the latest info for the 2011 Ford F-Series Super. likes high axle ratios. Ford 8 and 9 inch pinion depth is regulated by shims between the pinion support and chuck or center section. The 1962-63 serial numbers are located on the front, right side of the differential carrier. See rear of catalog or visit web site for limited warranty and venue provision. 8 inch rear. Login or register now to gain instant access to the rest of this premium content! Often overlooked, optional gear ratios play a key role in pickup truck performance. Choice of two different gear ratio sets (2. High Performance starts with math, precise measurements and calculations. If it rotates 3 3/4 turns, the gear ratio is 3. 2nd and 3rd gear ratios decrease slightly. The Ford 8-inch uses a 1 3/16-inch pinion shaft that has 25 splines. DANA 28 The alloy-case Dana 28, with a 6 5/8-inch-diameter ring gear, came in Bronco IIS and Rangers with anything. Oversized tires require higher ring & pinion ratios to restore performance. 8 inch rear. Axle ratios had to drop to get the better gas mileage the EPA demanded. 5 is by the ring gear bolts. 76" - GM #3708145. 11 x 12% + = 4. In order to commemorate the 40th anniversary of the Ford Mustang, all SVT Cobra models carried a 40th Anniversary badge on the fender. Truck Trend is the source for official specifications, payload, towing capacity, and other information that matters to real truck users. I'm leaning more toward a ford 8. 95 1st? What is the 1st gear ratio in a Top loader 4spd? How much HP can a (small block) Top loader handle? Just want to compare it to a T5 witch is about 300hp (give or take) f. 2 is the shape of the housing and the spacing between the lower bolts on the cover. This number is stamped on the forward facing passenger side axle tube (on 2nd generation) and forward facing drivers side axle tube (on 3rd gen) camaros. The 2018 Ford F-150 is a facelifted version of last year’s truck, except under the aluminum sheetmetal, there’s more horsepower, more torque, and more gears. Looking at that tag, you can see the gear ratio stamped on the lower left, and the axle size (ring gear diameter) stamped in the bottom middle. 8 Ring and Pinion Installation INSTRUCTION SHEET NO PART OF THIS DOCUMENT MAY BE REPRODUCED WITHOUT PRIOR AGREEMENT AND WRITTEN PERMISSION OF FORD RACING PERFORMANCE PARTS Techline 1-800-367-3788 Page 8 of 31 IS-1850-0239 Factory Ford shop manuals are available from Helm Publications, 1 -800 -782 -4356. Basic Specifications The 8. Gears can be a pretty general term but in this case, they refer to the ring and pinion gears residing in the rear differential. For each spindle rotation, the carriage must move 1/16 inch. 10:1, unless 27 inch or larger tires are installed. 8-inch will fit just as comfortably under your classic Mustang as it will under a four-wheel-drive Jeep. We've got loads of drivetrain parts for your Mustang! Steeda offers several different gear ratios, flywheels, quadrants/cables, axles and a number of drivetrain accessories for your ride. 85-inch s BIG BLOCK FORD HORSEPOWER CHART INFO gathered by DJOHAGIN If your compression ratio is. East Coast Gear Supply offers wholesale discount prices on Ford 8" gears, off-road ring and pinions, ring and pinion gear sets, master install kits, pinion kits, mini install kits, axles, ujoints, bearings, air lockers, triple drilled flange, diff housings, solid spacers and other Ford performance parts and accessories for your 8. The T18 is the improved successor to the T98 transmission. 625) was used on 2000 and later-year trucks. A web based calculator to help you pick the right size tires, wheels, rear end, gear ratio and transmission for your 55-57 Chevrolet. The picture is not accurate of the exact build this unit does not include backing plates as shown in the picture. The Ford 8. This is for 460 Ford motors with 4. 8 inch rear axlehow much wider will the '69 Mustang axle be than stock Maverick width? 72 Ford Van 3/4 ton 68 inches. 4) to improve efficiency and low speed torque. These were wide ratio trans. 29 - What gears should you get for your Toyota? Choosing gears for your Toyota mini truck, Tacoma, or 4Runner is a dilemma. 1990 to 1993 the stock Ford production V-8 WC T-5 was upgraded with stronger 3. com's parts locating service can help you find quality used Ford rear axles from reputable salvage yards located throughout the United States and Canada. NOTE: see post below if interested why you spin a tire 1 rotation or 2 rotations. Dan used a press to install the new rear pinion bearing onto the pinion gear. We have the largest selection of Ford Explorer Rear Axle Assembly parts at discount prices. After "What IFS will fit my truck?", "What late model rear rear end can I put into my 1948 – 1960 Ford truck ?". Trailer Weight Rating Total Front Rear Front Rear STD CAB - 8' Box, 4x2 3. This unit is becoming popular for its strength and ability to accept multiple ring and pinion ratios. This code is marked with RED in the location photo above. Mustangs Plus stocks many 8" and 9" Traction Lock rear ends in a variety of gear ratios. The pinion nut should measure 1 1/8 inches, as long as it is the OEM pinion nut. Check out the latest Ford F-150 features and specs at Car and Driver, including safety and warranty information. Factory Ford shop manuals are available from Helm Publications, 1-800-782-4356. GEAR VENDORS reputation for being the best is because of its …. The most important reason to go with the 9-inch, as Strange sees it, is the peace of mind that you get in regards to racing. The military Model 25 has a thick, cast cover, while the 27 and civilian-model 25s have a thinner cover, will accept taller gears, and backed V-6s. 73 to one, and 4. How to tell a 8 inch diff from a 9 inch. Also covers how to disassemble and rebuild any manual transmission. 10, and have factory limited slip. The housing itself is roughly 11 inches across. Torque rating remained the same at 265ft/lbs. 8 and 9 Inch Ford Rears Built for Street to Race Applications. more than a comparable 9" Ford, depending on ratios and components. Mustang script on front fenders was slightly larger at 5-inches. To do this it must turn R = L/D = 8/16 = 1/2 as fast as the spindle so a gear ratio of 1/2 is needed. All sorts of information about 1965 Mustang Axle Ratios. 32:1 lower gear in the T-18 manual transmission or a 6. 002-inch increments). Ford 9 / Ring & Pinion Gear Set- Standard 28 Spline Pinion8620 Heat Treated Material. anyone running either gears with similar setup or have two cents. The rear axle is of the banjo housing, hypoid gear-type using an 8, 8-3/4, or 9-inch ring gear, in which the centerline of the pinion is mounted below the centerline of the ring gear (Fig. The Ford 9" was produced with 28 and 31 spline axles that even in their smallest form, are larger in diameter than those in the 10-bolt Chevrolet rear axle. Starting in 1986 Ford introduced the popular 8. 2-inch rears. For example, a 3. One of the biggest frustrations in building these axles is that the thin shims in an aftermarket pack are very difficult to install without damaging them. 75-inch, and GM 8. Using this simple method you can. 23:1 with a colon). 8" (Long/lntermediate Extension depending on gear set and Magnetic Target Plate) 8 3/4" Chrysler (Long Extension and Magnetic Target Plate) 57-64 Olds & Pontiac (Long Extension and Magnetic Target Plate) AMC 8-Bolt (Long Extension and Magnetic Target Plate) CALIBRATION. Let's see, I have had 2. 67 inches per drive shaft rotation. Ford 9 inch Moser 9 inch (Gen 3 and 4) Ford 9 inch swap into a Third Generation Chevy Camaro: Kits available to bolt right in with spring pads, torque arm mount as well as control arms and panhard rod. Enter the RPM, Tire Height in inches, The Rearend Gear Ratio, The Transmission Top Gear Ratio, and The MPH, Then Press 'Enter' Key Conv Slip% = [((RPM * Tire Height) / (Rearend Ratio * Trans Ratio * MPH * 336)) -1] * 100 RPM Tire Height Rearend Ratio Trans Ratio MPH. It's important to know the gear ration of a differential before installing ti. Differentials take the power from the rear axle and transfer it to the rear wheels by way of special gears. Ford rear ends, or differentials, were manufactured by either the Dana Corporation or Ford. 8-inch will fit just as comfortably under your classic Mustang as it will under a four-wheel-drive Jeep. 8 inch differential, this differential was utalized by Ford as early as 1981 in the F-100 pickup, Broncos in 1981 to 1984, E150 Vans starting in 1983. Axle Ratios I get asked several times each week, "What gear ratio should I put in my Mustang?" There is no single answer for this question, but I have my preferences. See the Gear Ratio calculator in the Spicer Tool Kit to determine your ratio. Your entire Mustang's rear consists of your axles, the gear housing, a power transfer device (IE a spool, LSD, posi-unit, etc. That is why a GM 10. 11 x 12% + = 4. Filthy Motorsports carries a wide range of parts, gears, and upgrades for the Ford 8" axle including ring and pinion sets, axle rebuilt kits and bearings, differential covers, upgraded axle shafts, heavy duty u-joints, oil, and more. 73 is a lower ratio (engine spins 3. The D28 can be re-geared; however, units with the 3. Ford 9 / Ring & Pinion Gear Set- Standard 28 Spline Pinion8620 Heat Treated Material. 75 10 Bolt --. 8 is an automotive axle manufactured by Ford Motor Company at the Sterling Axle Plant in Sterling Heights, MI. But if you want better acceleration (or more top speed), there is an easier solution to your problem: Change your final drive ratio. I'd really rather use a 75W-90 full synthetic (Mobil 1) with the LSD additive already mixed in. I know there's been threads started on this before, but no one seems to ever follow through, so theres no info!!! I'm going to try to source one locally and start experimenting this winter I think. Get a great deal!. The picture is not accurate of the exact build this unit does not include backing plates as shown in the picture. Note: Drive gear refers to the gear that is on the transmission output shaft. Mustang Rear Gear Ratios Overview. Has removable pinion support on the front. The engine is connected to the gearbox, the gearbox, via the tail shaft to the differential, and the differential via the axles to the wheels. 5 is by the ring gear bolts. indd 1 6/22/17 12:56 PM. So looking at the axle tag above, you can see it's a 3. 8-inch axle has the same ring gear mounting distance (see Chapter 7) for all ratios, just like the 9-inch. For example a tire that is marked 205/65 R16 has a tread width of 205, a profile of 65, and a wheel size of 16". The close ratio between gears and the Ford patented direct-acting hydraulic control of the 10-speed automatic transmission with SelectShift capability really optimize the power and torque curves of this high-output EcoBoost powerhouse. Static Compression Ratio: Take Out Window (Hold the Mayo between your) If you want to take the formulas with you and put them in your tool box, here they are. 13" stroke Both feature 8. The Ford 9" was produced with 28 and 31 spline axles that even in their smallest form, are larger in diameter than those in the 10-bolt Chevrolet rear axle. Axles were similar to the Ford 9-inch 28-spline units. IHRA FUNNY CAR GEAR RATIOS FOR 1/8 MILE. There's no question, the easiest way to identify the axle and gear ratio in your truck is from the door sticker. 70 for the automatic and 0. 5 mm) diameter at the inner ends and 3. Powerglide Gear Sets for 2. This is a highly subjective subject, but I base my conclusions on the factory ratios. T he gearbox used in series Land Rovers was first used by Rover in 1932 Though it has seen several modifications it is an old design that was intended for low powered engines. 12 by your Jeeps tire diameter (Example:. The 8-inch differential sports an 8-inch ring gear (hence the name) in a wide variety of ratios ranging from 2. WB 157 -in. The Gear Box is your online source for t56 transmission parts,t5 transmission parts,borg warner t56,muncie transmission,t10 transmission,super t10 transmission,3550 transmission parts,manual transmission parts,t56 transmission overhaul kit, t56 transmission rebuild,rebuilding a transmission,transmission shift fork,t56 synchronizer assembly,t56 transmission gears,Corvette T56 transmission. 45 ratio, going to a lower (numerically higher) ring and pinion gear must use the appropriate housing. 85-inch s BIG BLOCK FORD HORSEPOWER CHART INFO gathered by DJOHAGIN If your compression ratio is. The most popular rear end around is no doubt the Ford 9 inch unit, it is used by restorers, street rodders and racers alike, regardless of what brand of car the axle is going in. You can buy these with various ratios from 2. 33 ratio ring and pinion in the truck's 9-inch Ford axle for a set of 4. A B D C 2Based on Ford drive-cycle tests of comparably equipped 2011 Ford and 2010/2011 competitive models. , including acceleration times 0-60 mph, 0-100 mph, 0-100 km/h, 0-200 km/h, quarter mile time, top speed, mileage and fuel economy, power-to-weight ratio, dimensions, drag coefficient, etc. 1948 through 1960 Ford F-1 and F-100 Rear Axle (differential) Swaps The following was contributed by the 1948 - 1960 Forum users as a group effort. As the first-ever diesel engine in Ford F-150, the 3. Enter the number of teeth on the Ring and Pinion gears and click the "Calculate" button to view your results. This is the ratio of gears in the rearend (differential) that you may have heard of in the numerical terms 2. 73 7400 DANA REG 1980 39. USA Standard Gear (ZK F9-A-SPC) Master Overhaul Kit for Ford 9 LM102910 Differential with Solid Spacer. NOTE: These width dimensions were measured with 1940 style brakes. Gears can be a pretty general term but in this case, they refer to the ring and pinion gears residing in the rear differential. Ford improved tooth contact in the Ford 9″ by locating its pinion gear lower on the ring gear. Ok, so here is the chart I made. Note: Maximum loaded trailer weights shown. The 7-1/4 inch axle has housing tubes which are 2. We received a lot of questions about the upcoming 2017 Ford Super Duty. Ford non-overdrive transmissions include:. 95 V-8 first gear ratio was dropped in favor of the 3. The Ford powertrain team designed, engineered, built and torture-tested it themselves. The nickel content was increased to produce a harder, stronger gear. Proven experience – on the road. 10 to one (commonly written in the following manner 3. Buy early Ford Bronco 9 inch rear axle parts at Bronco Graveyard. 70: 9 in: NL: 28. 7 which denote that this carrier is sporting a ring gear of an actual 8 3/4 inch diameter. 12 X 38" = 4. 8" Rear End 3. OEM Ford parts removed from a 2007-2009 Ford Explorers (interchangeable with many other 8. 73 gear ratio in a 7. ASSEMBLIES SRP437-838 8 3/8” w/Wedgelock SRP437-838-AS 8 3/8” w/Aluminum Spool SRP437-838NQ 8 3/8” Non-Quick Change POPULAR OPTIONS SR8207 Polishing SR8211 Billet Gear Cover SR8247 Helical Gear (Specify Ratio) SR8275-1. Fuel economy suffers the higher it goes. 7 to 1 comp. Hope that helps a little so put a gear set in that should. STEERING Type Electric power-assisted, rack-and-pinion Ratio 17. Landcruiser 40 = 4. ER - V 6DB 75 8. Gear ratios depend on the year and model of the Ford vehicle. You can select your transmission, manual or automatic, your drive gear teeth, 6,7 or 8, pick out which gear ratio you're using and then select your tire size. 8-Inch Ford Custom Rearends Housing Axles Brakes Bracketry 8-inch Third Members Options Oil & Additives Labor Services 2WD Beam Frontend. 8-inch differential primarily for its trucks, sport utility vehicles and vans, but some mid- and full-size Mercury cars also featured the equipment. If I'm not mistaken, 99 and up will have disc brakes, below that will be drum. All sorts of information about 1965 Mustang Axle Ratios.