Buying & Comparison Guides
- 4L60E
- 700R4
- Rebuilds & Upgrades
- Builds, Features & Press
- Transmission Tech Explained
- Buying & Comparison Guides
- Install & Swap Guides
- Maintenance & Fluids
- GM Transmissions
- Torque Converters
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- Troubleshooting & Symptoms
- Ford Transmissions
- Mopar Transmissions
- 4L80E / 4L85E
- 4R70W / 4R75W
- Ford AOD / AODE
- 4L65E / 4L70E / 4L75E
- TH350
- 200-4R
- 6L80E / 6L90E
- Mopar 727 / NAG1 / 545RFE
- TH400
- Ford E4OD / 4R100
- Ford C4 / C6
How to Identify a Mopar 727 Performance Transmission
GEARSTAR PERFORMANCE 6 minute read
The advent of several transmissions since the launch of automobiles means there are a whole lot of them in 2019 and many more can be expected in years to...
Ford C4 and C6 Transmissions: What Are the Differences?
GEARSTAR PERFORMANCE 7 minute read
Ford's C4 and C6 3 speed automatic transmissions are similar in operational characteristics; however, there are still unique differences between the C4 and...
200-4R vs. 700R4 Transmissions: A Comparison
GEARSTAR PERFORMANCE 7 minute read
200-4R vs. 700R4 transmissions are two four-speed automatics that are always compared side-by-side for their similarities, yet unique differences. They may...
Manual vs. Automatic Transmissions for Off-Road Activity
GEARSTAR PERFORMANCE 6 minute read
Your choice between manual vs automatic transmissions for off-road activity is dependent on a number of factors. Each has its advantages and...
Essential Tips When Choosing a Performance Transmission Technician/Shop
GEARSTAR PERFORMANCE 6 minute read
Have you ever found yourself wondering how to find the best performance transmission technician or shop out there? We know we have at some point. Like us,...
Manual vs. Automatic Transmissions: Auto Industry's Greatest Rivalry
GEARSTAR PERFORMANCE 6 minute read
It was the 1930s, the era of the Great Depression, a time when America was facing hopelessness and desperation as the prospects of war slowly grew to a...