4L65E / 4L70E / 4L75E

GM 4L70E Transmissions

Press 6 minute read

Like most AODs at the time, GM 4L70E transmissions were designed with lightened materials to support better fuel efficiency, 4 speeds, and...

4L70E Performance Transmissions Install

Press 2 minute read

It hasn’t been an easy life for our in-house project, Blue Bomber, a 2011 Chevy Silverado with a supercharged 4.8L. We have flogged it on big tracks and...

Why Proper Cooling is Critical for GM Transmissions: Prevent Overheating in Your 4L70E, 4L75E, or 4L65E

Why Proper Cooling is Critical for GM Transmissions: Prevent Overheating in Your 4L70E, 4L75E, or 4L65E

GEARSTAR PERFORMANCE 6 minute read

Effective cooling is essential to maintaining the performance and lifespan of older GM transmissions like the 4L70E, 4L75E, and 4L65E. Low or contaminated...

Why the GM 4L75E Transmission is a Top Choice for Performance Enthusiasts

GEARSTAR PERFORMANCE 6 minute read

The GM 4L75E transmission is a high-performance automatic transmission ideal even today for car enthusiasts seeking durability and power. Enhanced to...

What is the Difference Between a 4L70-E and a 4L75E? Key Variations Explained

What is the Difference Between a 4L70-E and a 4L75E? Key Variations Explained

GEARSTAR PERFORMANCE 7 minute read

The 4L70-E and 4L75-E transmissions are both upgrades of the 4L60 series, but they differ in strength and design features. The 4L70-E includes an added...

Overview of the 4L65E Transmission

Overview of the 4L65E Transmission

GEARSTAR PERFORMANCE 6 minute read

Gearstar - Overview of the 4L65E TransmissionThe 4L65E transmission developed by General Motors for GM trucks – but adapted for the Chevrolet Corvette – is an...

The 4L70E Transmission: Up Close and Personal

The 4L70E Transmission: Up Close and Personal

GEARSTAR PERFORMANCE 6 minute read

The 4L70E automatic transmission is undoubtedly a workhorse gear mechanism that offers more excellent reliability and a good deal more power. Read on for...

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