4L80E / 4L85E

4L80 Torque Converter Basics for Reinforcing Speed and Drivability

4L80 Torque Converter Basics for Reinforcing Speed and Drivability

Gearstar Performance 7 minute read

There was a time when drivability, low emissions, and high horsepower were topics of discussion and disputes. Nowadays, auto-shift cars feature speed, fuel...

Where Max Power and Good Cruisin' Collide, the 4L80E Transmission Awaits

Where Max Power and Good Cruisin' Collide, the 4L80E Transmission Awaits

Gearstar Performance 5 minute read

There are several benefits of having an overdrive transmission.First off, these transmissions enable a car to use deep rear gears, which results in...

Ultimate Guide to the 4L80E Transmission

Ultimate Guide to the 4L80E Transmission

Gearstar Performance 6 minute read

The 4L80E transmission was introduced in the GM C/K Trucks line-up – to the delight of motorists – in 1991. The legendary TurboHydramatic TH400 automatic...

The Ultimate Guide to the 4L80E Transmission

The Ultimate Guide to the 4L80E Transmission

Gearstar Performance 6 minute read

The 4L80E transmission is an automatic transmission designed by General Motors. Learn more about this legendary transmission.The 4L80E transmission was...

3 Early Signs Of A Bad 4L80E Transmission

3 Early Signs Of A Bad 4L80E Transmission

Ryan Steele 3 minute read

4L80E transmissions are powerful but complex machines. And with such power and intimacy comes the increased risk of developing transmission problems over...

GM 4L80E Transmission – A Solid Performer

GM 4L80E Transmission – A Solid Performer

Gearstar Performance 3 minute read

When it comes to vehicles, these days, we all want maximum horsepower. The more the horsepower, the better the engine performs. However, it also has a...

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