See What's Inside The New Sonnax 4L80-E Performance Pack

See What's Inside the New Sonnax 4L80-E Performance Pack

Build a 1200+HP rated 4L80E for under $1200 !!

SOB Garage - Sigsterrr Original Builds Garage

Outsmart 4L80-E Overdrive Roller Clutch Failure with the Sonnax Smart-Tech® Overrun Clutch Valve Kit

4L80E Rebuild Quick Overview for First Time Builders! You can do this!

The Viking Mechanic

4L80E Overdrive Roller Clutch, Planetary, and Power Limitations.

Jakes Performance

4L80E Differences between Early and Late models

Monster Transmission

4L80E Lube Mods

Nick's Transmissions

1991 - 2009 GM 4L80E Hydra-matic Transmission Field Identification, Casting Numbers, & Date Decoding

4L80E Tear Down & Common Problems

Monster Transmission

4L80e BLING (Hughes & Jake’s performance stuff)

4L80e End Play Check Sonnax Rollerize Kit #turbo #4l80e #rebuild

4L80E Performance Rebuild PT1: Overview and Subassemblies

Nick's Transmissions

HOW TO: Fully Rollerize a 4L80E

That Shop Teacher Guy

4L80E: Basic Info & Tips

Mountains Garage

Assembling the clutches into the case of the GM 4L80e

4L80E "Performance" #4L80E Transmission Teardown

Automatic Transmission

INSTALLING SONNAX LINE TO LUBE VALVE IN 4L80E!!! -a21bravo

See What it Takes to Build a Sonnax Performance Torque Converter

4L80E Vs TH400: Which One Do you Choose?

Engine Addiction