Upgrading older 3A steadicam arms with improved springs

Gear

ZephyrCan I fly my Alexa or RED on a Zephyr?389

Master SeriesIs a used Master Series rig worth buying as a first big rig?191

BFDHow do I power my BFD receiver from my camera or sled?186

VoltCan I retrofit a Volt onto my existing sled or gimbal?168

ArtemisHow do I power my camera and accessories from an Artemis sled?166

MDRWhere can I mount my Preston MDR on my rig?143

ModulusIs there a Modulus option for HD wireless video?141

G-70Will my G-70 fit my vest, gimbal or sled?126

FI+ZCan I control iris and zoom wirelessly, not just focus?60

HU3Where can I get my HU3 repaired, refurbished or repainted?60

CineLiveHow do I pack and case my CineLive rig for transport?54

G-70XHow does the G-70X compare to Pro Titan, Xarm and other arms?46

Trinity 2Is Trinity 2 SUP 3.0 firmware safe to install or buggy?46

Ultra VestWhich vest should I choose for my body size, comfort and operator type?39

2014Arms forum

12 years old. Gear and prices may have changed since.

Older 3A arms can be retrofitted with upgraded springs through professional rebuilding services.
Specialized technicians offer arm rebuilding services that can restore or improve arm performance beyond original specifications.
Custom spring designs have been developed that provide performance improvements over standard factory springs.
Demo units of rebuilt arms are available in multiple locations for testing before purchasing upgrades.

The discussion does not specify what improvements the upgraded springs provide or how they differ from original components.
No technical details about spring specifications or compatibility across different 3A arm models are provided.
The availability and specific services mentioned may be location-dependent or time-sensitive.
The upgrade process and associated costs are not detailed.