What do rear end ratios do I have in my Ford?

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.

What should the rear gear ratio be on a Mustang?

And less time spent shifting means quicker lap times. A track car may use something like a 3.55 rear gear ratio, whereas a drag car may have 4.10 or 4.30 rear gears. It all depends on the build. After replacing the rear gears in your Mustang, you will more than likely notice a difference in your speedometer reading.

How does rear gear ratio affect gas mileage?

By how much all depends on how drastic of a change you’re making to your Mustang’s rear gear ratio. The taller a rear gear you put in your Mustang, the lower your RPM will be at 60 MPH, equating to better gas mileage. However, the opposite goes for shorter gearing.

How big is the rear differential on a Ford Mustang?

A professional will also be able to help you address some of the other important rear gear considerations. To select new pinion gears, you’ll also need to know your Ford rear differential size. Since 2011, V6 and V8 Mustangs have used Ford’s 8.8” rear end, but before that many used a 7.5” rear.

What was the stock gear ratio on a 1983 Ford Bronco?

1983: The I-6 was made avail with the 3 spd auto and the rear seat was now standard. 9″ rear dropped in favor of new integral carrier 8.8″ rear. Along with that change the stock gear ratio in the rear went from 3.50 to 3.55

How big is the rear axle on a Ford Bronco?

Ford F-150 / Bronco: The Ford F-150 used the Ford 8.8-Inch axle From 1983-2012 except for 5.4L (including Lightning) and some 4×4 super cabs and higher GVWR models which were equipped with the heavier-duty 9.75-Inch rear axle. It was also used in the 1983-1996 full-size Bronco, and E150 Econoline vans.

What kind of brakes did a Ford Bronco have?

The transfer case had a 2 Speed w/1.92 low range ratio. Rear axle was the Ford 9″ while front was the Dana 44. Front disc brakes were now standard. Round headlights were standard, while square headlights came with the XLT option package.

What was the size of a 1980 Ford Bronco?

Bronco dimensions for 1980 were reduced by 2.7 inches in length and 1.1 inches in width. Body was heavily restyled with cleaner lines and new grille. 1981: Changes included a 4 spd overdrive manual trans with a .71 4th gear The 4 spd with granny first was still available.

What’s the gear ratio on a 4×4 truck?

The gear ratio most interesting to 4×4 truck owners is the ratio between the driveshaft and axles – the differential gear ratio or axle gear ratio. It is controlled by the number of teeth on the ring vs. the pinion. A ratio of 4.56 means that as the axle turns one whole circle the driveshaft turns 4.56 circles.

What should be considered when selecting rear end gear ratio?

A number of factors must be considered when selecting a rear-end gear ratio (ring & pinion set). Tire diameter, transmission choice (with or without overdrive) and desired highway cruising speed.

What kind of gears do I need for my Ford F 350?

The following gears, lockers and install kits are available for 2008 to 2010 Ford F-250 and F-350 Super Duty trucks with Dana 60 front axles and Ford Sterling 10.5″ rear axles. Note: Ford 10.25″ long pinion gears are also compatible with the Ford 10.5″ axle when a Ford 10.25″ master install kit is used.

Why do I need to change gear ratios on my F-250?

In a work or play atmosphere, an F-250 is going to be bogged down by a lot of weight. Tools, trailers, and equipment can be enough to hold down the throttle response of the F-250. Likewise, larger tires, big bumpers, and lift kits will hinder the go factor of these trucks.

What’s the rear end gear ratio in a GMC?

General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. 7.5 inch, 8.5 inch, 10.5 inch. Our experts will help you find the correct ring and pinion set for your particular application.

How can you tell the axle ratio of a Ford truck?

There’s no question, the easiest way to identify the axle and gear ratio in your truck is from the door sticker. If you open the drivers door and look at the door jamb, you’ll see a sticker like the one shown below:

Where to find axle ratio on Ford F150?

Mustangs, F150’s and other Fords can have their axle ratio easily identified by reading the sticker on the inside of the driver’s side door jamb. It will look like the image below:

Which is the correct formula for diff ratio?

DIFF RATIO FORMULA. Larger tyre size divided x standard tyre size. 35” divided by 31” = 1.1290 which = 12%. To calculate correct ratio – Standard diff size x 12%. example – 4.11 x 12% + = 4.6032.

How big is the pinion on a 9 inch differential?

The 9-inch’s 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. There is a machined roller bearing race on the pinion head portion that points at the differential opposite the tapered bearing races.

What’s the axle ratio on a Ford F-150?

Ford Axle Ratios Ford offers two axle ratios for their F-150 trucks; the 3.55 is standard and the 3.73 is optional. Ford offers different axle ratios to improve on hauling capability. The numerically higher number is the lower ratio.

When do you need to know the gear ratio on an F-150?

Over the years, the F-150 came with an assortment of rear ends and gear ratios depending on engine size and options. Knowing the gear ratio of your F-150 is important if you have to replace the ring and pinion gears due to breakage, or if you want to change gear ratios.

When did the Ford F 150 come out?

The Ford F-150 was introduced in 1975. One of the best-selling vehicles of all time, there are more F-150 trucks on the road than any other brand. Over the years, the F-150 came with an assortment of rear ends and gear ratios depending on engine size and options.

What does an axle code on a Ford truck mean?

Ford axles codes contain one or two character. Any code beginning with a letter (an alpha code) indicates the vehicle is equipped with a limited slip differential, except as shown below. Some pickup trucks with axle codes that are numbers only (numeric codes) are equipped with limited slip differentials.

Is there a 2002 Ford Super duty F-250?

Trans Description Cont. Again NA Looking for other models of the Ford Super Duty F-250?

What kind of differential does a Ford Dana have?

Ford installed a large number of Dana – Spicer differentials both in the front and the rear ends of their pickup trucks. When ordering parts for your Ford Dana rear end it is a critical to have that bill of material number to ensure that you find correct parts the first time.

What’s the axle ratio for a Ford F350?

The axle ratio choices are vast because of the vast use of the vehicles they are put into. The F250 and the F350 non dually can have the 3.31 gears. The dually can get the 3.73, but not sure if the 3.55’s are available. The F450 only gets the 4.30 gears.

What is the Axle code for a 2008 Ford truck?

2008 Ford Super Duty Axle Codes: 35 = 3.55 non-limited slip 3J = 3.55 limited slip 37 = 3.73 non-limited slip

What is the Axle code for a 2004 Ford Excursion?

2004 Ford Super Duty Axle Codes: 31 — 3.73 non-limited slip, F-250/Excursion 32 — 4.10 non-limited slip, F-250 41 — 3.73 non-limited slip, F-350

What do rear end ratios do I have in my Ford?