Muncie SM465 transmission

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Muncie SM465
Overview
Manufacturer General Motors
Production 1968–1991
Body and chassis
Class 4-speed manual
Chronology
Predecessor SM420

The SM465 is heavy-duty truck transmission is used in light duty and heavy duty trucks. The SM465 was made by General Motors from 1968 to 1991. The SM465 can be found in Chevrolet and GMC full-size trucks, Blazers, Suburbans among other models

The "SM" in the transmission's designation stands for Synchro-Mesh.

Gear Ratios are:

  • First Gear - 6.55:1
  • Second Gear - 3.58:1
  • Third Gear - 1.70:1
  • Fourth Gear - 1.00:1
  • Reverse - 6.09:3

References

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