GM TH350 Torque Converter

GM TH350 Torque Converter Product Overview

GM4401 Features:

  • Late model impeller turbine & stator used in TH700-R4
  • 100% brazed or welded fins
  • Heavy duty hardened turbine hub
  • Heavy duty CUSTOM impeller hub
  • Wider universal pad design – all bolts included Allows this torque converter to replace:
    • The GM350 (Chevrolet apps)
    • GM1A (Buick/Oldsmobile/Pontiac apps)
  • Special custom design has been dyno tested to ensure proper and proven performance in TH350 transmissions

Driveline Needs Assessment

COMMON ISSUES:

The GM350 and GM1A are being phased out as rebuildable core is disappearing.

  • Found in antique/classic vehicles out of production
  • Used in racing applications
  • Cores are often destroyed upon return
  • Multiple poor pad designs
  • Older impeller and turbine designs

SOLUTION:

Custom conversion of a TH700-R4 torque converter.

Resources:

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