WYOMING'S TRANSMISSION SPECIALISTS

Slipping gears?
We lock them down.

Over 30 years of Master Certified experience diagnosing, rebuilding, and bulletproofing transmissions. From classic performance builds to everyday road machinery, we keep you moving forward.

Active Status
Diagnostic Bay

Advanced Slippage Analysis

Real-time line pressure and torque slip calibration monitoring.

Full rebuild warranty

Every setup is backed by our master-certified technician guarantee.

30+ Years Experience

GM Trained Specialist with master certifications and diagnostic proficiency.

Complete Overhauls

High-performance custom case paintings, upgrades, and bulletproofing builds.

Expert Diagnostics

Advanced diagnostic equipment to pinpoint hydraulic, electronic, or gear slip.

Workbench & Live Footage Console

Cycle through our master-grade workbench photographs of rebuilt assemblies, or switch over to live video clips featuring case preparation and dyno testing within our Powell garage.

GM Performance 4L60E #01

Precision red-embossed high-pressure casing and silver-alloy valve assembly ready for installation.

Vibrant Gloss Castings #02

Upright gloss red multi-section high-performance casing on heavy staging workbench.

Blue Torque Converter #03

Rigged high-performance lock-up converter bolted to fully overhauled custom red-shell unit.

Orange Component Rig #04

Clean orange-finished transmission mounted on mobile staging rig for final internal validation.

OUR CORES & CAPABILITIES

While transmissions are our custom hallmark, Slipping Gears Garage delivers complete bumper-to-bumper premium repairs.

Service Location
915 E Washington street, Powell, WY
Call Shop
+1 (307) 428-9023
01 / TRANSMISSIONS

Automatic and manual overhauls, valve body calibrations, shift-kit setups, performance converter coupling, and fluid/filter service.

02 / ENGINES & ELECTRICAL

Computerized diagnostics, electrical fault chasing, harness repairs, tune-ups, and structural component swaps.

03 / SUSPENSION & DRIVETRAIN

Axle shafts, universal joints, differential gear matching, transfer cases, and premium shock/strut replacements.

04 / PREVENTATIVE MAINTENANCE

Pre-purchase mechanical audits, coolant/hydraulic flushes, brake lines, and multi-point master safety checklists.

GET AN ESTIMATE

Describe the issue or request your upgrade specs. Our Master Technician will review and contact you with a transparent timeline and path.

Speak with Tech
+1 (307) 428-9023
Our Facility
915 E Washington street, Powell, WY