What is a Gu6 Rear End

A Gu6 Rear End is the most common type of rear end used in cars and trucks. It is a live axle that has a ring gear and pinion that are mounted on an open differential. The Gu6 is used in both front-wheel drive and rear-wheel drive vehicles.

A Gu6 rear end is a type of car suspension that uses a torsion bar instead of coil springs. It was first used on the Chevrolet Corvette in 1963 and later on other GM cars. The advantage of using a torsion bar is that it can be easily adjusted to change the ride height of the vehicle.

Is a Gu6 Rear End Posi

A Gu6 rear end posi is a type of differential that allows both wheels to receive power from the engine at the same time. This is beneficial for traction and overall performance, especially in slippery or off-road conditions. While it’s not required, many enthusiasts consider a Gu6 rear end posi to be an essential upgrade for their vehicle.

What is a Gu6 Rear End

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What Rear End is a Gu6?

The GU6 is a rear end that was used in certain GM vehicles. It is an 8.5-inch ring gear with 30 splines and a 2.73:1 ratio. The GU6 was used in the Chevrolet TrailBlazer, GMC Envoy, Buick Rainier, Oldsmobile Bravada, and Saab 9-7X.

How Do I Identify My Gm Rear End?

Differentiating between a GM rear end and another manufacturer can be difficult if you don’t know what to look for. Here are some tips on how to identify a GM rear end: – The most obvious way is by looking at the logo on the differential cover.

A GM rear end will have the GM logo stamped into the metal. – Another way to tell is by the size of the differential. A GM 10-bolt rear end will have a 8.5″ ring gear, while a 12-bolt will have a 8.625″ ring gear.

– You can also identify a GM rear end by the bolt pattern. MostGM cars use a 5 x 4.75″ bolt pattern, but some trucks may use a different pattern such as 6 x 5.5″.

What is a G80 Rear End?

In its most basic form, a G80 rear end is a type of differential that helps power the wheels of a vehicle. The “G” in G80 stands for gear, and the “80” signifies the strength rating of the differential. Differentials are essential components in any car or truck because they allow wheels to rotate at different speeds while still being powered by the engine.

This is necessary when turning corners, as the outside wheels have to travel further than the inside ones. A G80 rear end is often found in heavy duty trucks and SUVs because of its ability to handle large amounts of torque. The G80 can be added as an upgrade to many vehicles that didn’t come with it standard, and doing so will typically improve towing capacity and off-roading performance.

If you frequently find yourself carrying heavy loads or taking your vehicle off-road, then a G80 rear end might be a good option for you.

Is a 3.42 Axle Ratio Good?

A 3.42 axle ratio is considered to be a good ratio for most vehicles. This ratio provides good fuel economy and performance while still allowing the vehicle to tow and haul heavy loads. The only time you might not want to use a 3.42 axle ratio is if you are looking for maximum performance or fuel economy, in which case you would want to choose a lower or higher ratio respectively.

Finding Chevy Gear Ratios, GU4, GU6, GT4, GT5


The Gu6 Rear End is a high performance option for those looking to get the most out of their vehicle. It offers increased strength and durability over the stock rear end, making it an ideal choice for track days or other high-performance driving applications. It’s important to note that the Gu6 Rear End is not a direct bolt-on replacement for the stock unit – some modifications will be required in order to install it properly.

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