The Ford 8 inch axle is a smaller version of the popular Ford 9 inch axle just with an 8 in ring gear diameter removable pinion support and typically 28 spline axle shafts. The term refers to the gears in the trucks differential which is a mechanical device that links the rear axle to the driveshaft and then the engine.
In other words having the wrong gear ratio can turn your car into a complete and utter turd or it can make it lightning quick off the line but no with top-end speed what so ever.
Ford rear end gear ratios. Listed are the expected RPMs at 60 MPH with a given rear end ratio and tire height. This chart applies to all Ford non-overdirve transmissions manual and automatic. Ford Differential Axle Codes Identifying Ford Vehicles Equipped with OE Traction Rear Ends 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.
The number of times the driveshaft rotates for each rear wheel rotation is your Mustangs rear gear ratio. This is also sometimes referred to as the final-drive ratio. In other words having the wrong gear ratio can turn your car into a complete and utter turd or it can make it lightning quick off the line but no with top-end speed what so ever.
Tall gears and short gears are referring to the gear ratios. Tall high gears have LOWER numerical numbers such as 279 290 300 325. For the most part series numbers can be determined by your gear ratio with 273 and lower rearend gear ratios falling in the 2-Series 308 to 390 rearend gear ratios.
The term refers to the gears in the trucks differential which is a mechanical device that links the rear axle to the driveshaft and then the engine. These axles had a stout 225-inch ring gear offset as compared to a 15-inch ring gear offset of the later 88-inch axle. The larger offset is better for strength and.
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. So looking at the axle. Axle Code Door Sticker Axle.
Starting in 1986 Ford introduced the popular 88 rear end in the Mustang to support more power. The 88 rear end is a much stronger option than the weaker 75. Mustangs F150s and other Fords can have their axle ratio easily identified by reading the sticker on the inside of the drivers side door jamb.
It will look like the image below. To find out what your axle code is based on your door jamb sticker just locate the axle code on the sticker and compare it to the table below. FORD FINAL DRIVE RATIOS Find your transmission and rear gear multiplier below.
The Final Drive Ratio shows you how many times the engine turns for one complete turn of the tires. This Final Drive number is also your torque multiplier when in that gear. GEAR VENDORS reputation for being the best is because of its Continue reading Ford Drive Ratios.
A-4209 Production gears were 3701 ratio. A-4209-AR Service Replacement gears were 3781 ratio. Early 1928 non-threaded pinion and ring set.
Ford 9 inch Gears. The Ford 9 inch rear end also has the widest variety of ratios on the market Particularly in the 301 to 501 range. Ford improved tooth contact of the Ford 9 inch gears by locating its pinion gear lower on the ring gear.
But while some recommend 373 gears other recommend jumping up to a 410. Which makes the choice even harder. 2018 Ford F-150 STX trucks come with 275 55 R20 wheels.
This gear was introduced in early 1950s. Ford developed based on solid axle thats popular as gear for the car in that time. After this technology was released almost many Ford models rely on this gear.
The ratio consists of several numbers between 273 and 600 that you see on chart. The Ford 8 inch axle is a smaller version of the popular Ford 9 inch axle just with an 8 in ring gear diameter removable pinion support and typically 28 spline axle shafts. Original gear ratios range between 2791 and 5431 and aftermarket replacement gears are available for many ratios as well.